3 way to make bases
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Related Questions
HELP Will GIVE BRAINIEST the soil textural triangle
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According to the information in the graph, the soil with the composition of Sand: 20%, Clay 50% and Silt 30%, would be a silty clay soil.
What is the soil texture triangle?The Soil Texture Triangle is a term to refer to a soil analysis tool that is used to calculate the percentage of each component in a soil. The components used in this graph are: Clay, silt and sand. For example, if a soil contains 60% sand, 30% silt and 10% clay, it corresponds to a sandy loam texture.
According to the above, we can infer that a soil with the components of Sand: 20%, Clay 50% and Silt 30% would be a silty clay soil.
Note: This question is incomplete. Here is the complete information:
Classify the soil based on its composition: Sand: 20%, Clay 50% and Silt 30%.
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PLEASE HURRY AND TELL ME THE ANWERS
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Answer:
Explanation:
Mrs. Scott did a demonstration for her class. She used tongs to hold a piece of steel wool in the flame of a Bunsen burner. The steel wool caught on fire and began to burn. Mrs. Scott removed the steel wool from the flame and allowed it to burn for 20 minutes.
Later, Mrs. Scott took a piece of the burned steel wool and held it in the flame of the Bunsen burner. It did not catch on fire.
Make a claim about whether the steel wool underwent a chemical reaction while burning. Support your claim with evidence from the demonstration.
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The demonstration shows that steel wool burned chemically.
From the demonstration, steel wool burned chemically. The supporting evidence is:
1. Combustion: Bunsen burner flame ignited steel wool. A material combines with oxygen to produce heat, light, and gases or new compounds in combustion. Steel wool burning implies a chemical reaction.
2. Steel wool burned for 20 minutes. This prolonged burning signals a chemical process. Shape and size alterations rarely last this long.
3. Failure to Ignite: A piece of charred steel wool held in the flame again did not ignite. This implies that the initial chemical reaction that caused the steel wool to ignite was irreversible. After a chemical reaction consumes the reactants, it may not happen again without replacing them.
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Are cyclops heterotrophic or autotrophic?
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Cyclops are heterotrophic
when does cells breakdown a sugar molecule completely to produce chemical energy ATP the cells need to the following materials
Answers
Answer:
sugar and carbon dioxide
Explanation:
Chemical energy is stored in the bonds of sugars. When the bonds of a sugar molecule are broken, a burst of energy is released that the cell can use. Cells can release energy in two basic processes: cellular respiration and fermentation. Cellular respiration requires oxygen, but fermenta- tion does not.
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2) Which liberates the most energy?
A) F(g) + e ➡️ F-(g)
B) N(g) +e- ➡️ N-(g)
C) O(g) +e ➡️ O-(g)
D) C(g) +e ➡️ C-(g)
Answers
Answer: \(F(g)+e^-\rightarrow F^-(g)\)
Explanation:
Electron gain enthalpy is defined as energy released on addition of electron to an isolated gaseous atom.
The amount of energy released will be maximum when the tendency to attract electrons is maximum. As flourine has atomic number of 9 and has electronic configuration of 2,7. It can readily gain 1 electron to attain stable noble gas configuration and hence liberates maximum energy.
\(F(g)+e^-\rightarrow F^-(g)\)
how many atoms are in Tetrachloroauric acid
Answers
Answer:
29 i think
Explanation:
Which is the correct answer?
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5 what Substance will
float on water?
A. Solid, density = 29/cm3
B.liquid, density = 49/cm3
C. Solid, density = 0.399/cm?
Answers
Answer:
The answer is option CExplanation:
Substances which have their density less than the density of water that's 1 g/cm³ will float on it.
From the question the substance with it's density less than that of water is solid C so it's likely for it to float on water.
Hope this helps you
How does La Niña affect the climate of the Pacific Ocean?
1.The warm water moves toward the east.
2.The cold water sinks deeper into the ocean.
3.The ocean becomes cooler.
4.The strength of the prevailing winds decreases
Answers
The statement in which La Niña affect the climate of the Pacific Ocean is "The cold water sinks deeper into the ocean."
What is La Niña effect?La Niña is a climate phenomenon that depicts the cooling of surface ocean waters along the coast of South America's tropical west coast.
What is climateThe average weather in a certain place over a longer length of time is referred to as climate.
The jet stream moves northward and weakens across the eastern Pacific as a result of La Niña. The South experiences warmer and drier weather than usual during La Nia winters. The North and Canada are wetter and colder than the rest of the country. The seas off the Pacific coast are cooler and contain more nutrients than typical during La Niña.
Water in the eastern Pacific is colder than typical because to La Niña. El Niño might cause the water to be warmer than usual in the same place. During La Niña years, drought-stricken areas are drenched, while El Niño years are drenched.
Hence the correct option is 2.
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what type of chemical bond forms between two atoms bearing opposite charges?
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Ionic bonds are created when two oppositely charged ions are attracted to one another by electrostatic force. A chemical element is uniquely defined by its atoms, which are tiny pieces of substance.
An atom is made up of a core nucleus and one or more negatively charged electrons that orbit it. The positively charged, comparatively hefty protons and neutrons that make up the nucleus may be present. Any elementary particle of matter with at least one proton is referred to as an atom. Examples of atoms are neon (N) and hydrogen (H) (Ne). Chemistry's fundamental building component is an atom. It is the lowest fraction of substance into which electrically charged particles cannot be released. It is also the smallest piece of substance with chemical element-like characteristics.
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Which of Earth's Spheres take up most of the Earth's surface?
Hydrosphere
atmosphere
cryosphere
geosphere
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what should be used to clean powder fouling, corrosion, and dirt from outside parts of lower reciever and extensiion assembly
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To clean powder fouling, corrosion, and dirt from outside parts of the lower receiver and extension assembly, one should use the best quality cleaning materials and methods.
Powder fouling, corrosion, and dirt can accumulate on the outside parts of the lower receiver and extension assembly, making it hard to maintain the rifle. It is essential to clean the weapon regularly to maintain its efficiency and longevity.
The following cleaning materials are required for the cleaning process:
Cleaning solvent
Cleaning brush
Microfiber cloth
Lubricant
The best solvent to use when cleaning the rifle is a powder solvent. This is because it is specifically designed to remove fouling from firearms. It is also essential to use a cleaning brush made of brass, nylon, or synthetic material to avoid damaging the parts of the lower receiver and extension assembly.
Brass brushes are best for removing fouling, while nylon and synthetic brushes are gentle on the metal parts and help prevent corrosion. Avoid using a steel brush when cleaning the rifle since it may scratch or damage the surface of the metal.Lubricant is also essential in maintaining the rifle. It helps keep the moving parts smooth and minimizes friction between metal parts.
A high-quality lubricant should be used, and the excess should be wiped off with a microfiber cloth. To clean the weapon, apply the cleaning solvent onto the brush and scrub the outside parts of the lower receiver and extension assembly, then wipe it off with a microfiber cloth. Ensure the surface of the metal parts is dry before applying lubricant. Apply lubricant to moving parts of the weapon.
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a certain element x is made up of two isotopes, one with an atomic mass of 63.9358 that is 48.632% abundant, and one with an atomic mass of 65.9343 that is 51.368% abundant. calculate (to the correct number of significant figures) the average atomic mass for x.
Answers
32.0662
We have given an element X which is made up of two isotopes, one isotope has an atomic mass of 63.9358, which is 48.632% abundant, and the other isotope has an atomic mass of 65.9343, which is 51.368% abundant. We need to calculate the average atomic mass for X. Solution: We know that: Atomic mass = (mass of isotopes 1 x % abundance of isotope 1) + (mass of isotope 2 x % abundance of isotope 2)/100. Let the atomic mass of element X be m. Then, Substituting the values of the atomic mass and abundances, we get, m = (63.9358 × 48.632) + (65.9343 × 51.368)/100= 31.045288 + 33.991912/100= 32.0662. Average atomic mass for X is 32.0662 rounded to 5 significant figures.
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Part A Enter a general equation for the reaction of a halogen with a metal. (Assume the charge of the metal in ionic compounds is 2.) Express your answer as a chemical equation. Do not identify the phases in your answer. Denote the metal as M and the halogen as X. ► View Available Hint(s)
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The general equation for the reaction of a halogen with a metal (assuming a 2+ charge on the metal) is: 2M + X₂ → 2MX
In this equation, M represents the metal (with a 2+ charge) and X represents the halogen. The reaction involves the combination of one mole of the metal with one mole of the halogen to form two moles of the metal halide compound (MX).
The 2M on the left side of the equation represents two moles of the metal, each with a 2+ charge. The X₂ represents one mole of the halogen, which exists as a diatomic molecule (e.g., Cl₂, Br₂, I₂).
During the reaction, the metal atoms lose two electrons each to achieve a stable 2+ charge, and the halogen atoms gain one electron each to complete their valence shell. This results in the formation of two moles of the metal halide compound (MX) in which the metal is in its 2+ oxidation state and bonded to the halogen.
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A slice of pumpkin bread contains 5 grams of fat, 40 grams of carbohydrate, and 5 grams of protein. What percent of the bread's Calories are from fat
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Pumpkin bread is a delicious snack that's perfect for autumn. A slice of pumpkin bread contains 5 grams of fat, 40 grams of carbohydrate, and 5 grams of protein.
In this case, we'll calculate the percentage of calories that come from fat.
Each gram of fat contains 9 calories, so 5 grams of fat in the pumpkin bread contains 5 x 9 = 45 calories. Each gram of carbohydrate and protein contains 4 calories, so 40 grams of carbohydrate and 5 grams of protein contain (40 x 4) + (5 x 4) = 160 + 20 = 180 calories.
Combining the calories from fat and calories from carbohydrate and protein, we get a total of 45 + 180 = 225 calories. The percentage of calories that come from fat is the calories from fat divided by the total calories, then multiplied by 100.Percent of calories from fat = (calories from fat / total calories) x 100 = (45 / 225) x 100 = 20%.
Therefore, 20% of the calories in a slice of pumpkin bread come from fat.
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Which statement is true about the following isotopes: Sulfur-34, Sulfur-33 and Sulfur-32? (Choose all that apply)
1. There is an equal amount of each isotope in nature.
2. They have a different number of neutrons.
3. The different isotopes vary in their relative abundance in nature.
4. Sulfur-34 has two more protons than Sulfur-32.
Answers
Answer:
the different isotopes vary in their relative abundance in nature
Part C
Bends in rivers are called meanders. Meanders in rivers tend to bend more sharply over time due to uneven erosion on the shoreline at the locations where the river bends. Use your model to investigate this phenomenon. Is there more erosion on the inside or the outside of the curve in the riverbed as water flows through it? Draw an image of your river, and label the location along each curve where the most erosion seems to occur.
Answers
Based on the principles of fluid mechanics and erosion, the water in the river flows faster on the outside of the bend and slower on the inside.
What is the about?Meandering rivers are formed due to the lateral erosion of the riverbank, which creates a curvy path for the water to flow. This is caused by the differences in water velocity between the outside and inside bends of the river.
The above difference in velocity causes the water on the outside to exert more erosive force on the bank, leading to more erosion on the outside of the curve. The slower-moving water on the inside, by contrast, tends to deposit sediment, which can result in the formation of sandbars and other features.
Therefore, it is likely that there is more erosion on the outside of the curve in the riverbed as water flows through it.
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A symbolic way to show a chemical reaction is a chemical _____.
equation
symbol
compound
formula
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Answer:
Explanation:
A symbolic way to show a chemical reaction is a chemical equation.
A chemical equation is a symbolic representation of all of the substances involved in a chemical reaction.
can waves travel through empty space? why?
Answers
Answer:
Elctromagnetic waves can travel through empty space.
Explanation:
Waves that may pass through matter or empty space are known as electromagnetic waves. The electromagnetic field, like the other basic fields, penetrates the whole universe, including the region we refer to as empty space. There are no fields in space. The medium through which electromagnetic waves travel is called the electromagnetic field.
what are the factors affecting gravity?
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Gravity, as a fundamental force of nature, is influenced by several factors. The following are some of the key factors affecting gravity:
Mass: The most significant factor affecting gravity is the mass of the objects involved. According to Newton's law of universal gravitation, the gravitational force between two objects is directly proportional to the product of their masses. Greater mass leads to a stronger gravitational force.Distance: The distance between two objects also plays a crucial role in the strength of gravity. According to the inverse square law, the gravitational force decreases as the distance between objects increases. As objects move farther apart, the gravitational attraction between them weakens.Gravitational Constant: The gravitational constant, denoted by G, is a fundamental constant in physics that determines the strength of the gravitational force. It is a universal constant and does not change, affecting the overall magnitude of gravity.Shape and Distribution of Mass: The distribution of mass within an object can influence the gravitational field it generates. Objects with a more compact and concentrated mass distribution will have a stronger gravitational pull compared to those with a more spread-out mass distribution.External Influences: Gravity can be influenced by external factors such as nearby celestial bodies or the presence of other forces. For example, the gravitational interaction between the Earth and the Moon affects tides on Earth's surface.inner or terrestrial planet charecteristics
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The characteristics of the terrestrial planet are:
They are made up of metallic substances with hard surfacesThe orbits of the terrestrial planets rotate more slowly Terrestrial planets also has mountains.What is meant by terrestrial planets?The terrestrial planets can simply be defined as those planets characterized by the presence of metallic substances, mountains or even rocks. However, the major known planets are as follows:
MecuryVenusEarthMars JupitarSaturnUranusNeptunePlutoThat being said, of all these planets listed above, only those ones closest to the sun are regarded to as the terrestrial or inner planets.
The terrestrial or the inner planets are as follows:
MecuryVenusEarthMarsIn conclusion, we can now deduce from all explanation given above that the inner planets are very close to the sun.
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Part A
Write a hypothesis about what will happen to the air in the plastic bottle when its temperature is
decreased. What relationship do you expect to find between temperature and volume?
Answers
It is hypothesized that as the temperature of the air inside the plastic bottle decreases, the volume of the air will decrease as well, in accordance with Charles's Law and the contraction of the plastic bottle.
Hypothesis:
Based on the ideal gas law and the behavior of gases, it is hypothesized that when the temperature of the air inside a plastic bottle is decreased, the volume of the air will decrease as well. This hypothesis is rooted in the understanding that gases tend to contract and occupy less space when their temperature decreases.
According to Charles's Law, which states that the volume of a gas is directly proportional to its temperature when pressure is held constant, it is expected that as the temperature of the air in the plastic bottle decreases, the gas molecules will lose kinetic energy, resulting in a decrease in their average speed. This decrease in speed will lead to a decrease in collisions between the gas molecules and the walls of the container, causing the air to occupy less volume.
Furthermore, since the air is trapped inside a plastic bottle, the decrease in temperature is expected to cause the plastic to contract slightly, exerting additional external pressure on the gas molecules and further reducing the volume they occupy.
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During an experiment a thermometer was placed in a beaker containing hydrogen peroxide. The following observations were recorded when yeast granules were added to hydrogen peroxide.
Observation 1: Fizzing and bubbling took place.
Observation 2: The temperature began to rise.
Based on the observation, justify the type of change (physical or chemical) that took place
Answers
The states of matter change to produce the same or the new substance. When yeast is added to hydrogen peroxide bubble of carbon dioxide is formed which indicates chemical change.
What is a chemical change?A chemical change is the formation of a new substance by the chemical alterations in the reactants. The yeast releases products of cellular respiration that react with hydrogen peroxide.
The reaction is exothermic as it releases heat and increases the temperature when measured by the thermometer. The Fizzing and bubbling occur when carbon dioxide reacts with H₂O₂ to produce a new substance.
Therefore, addition of yeast to hydrogen peroxide is a chemical change.
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Answer:
The type of change that took place is most likely a chemical change, due to the recordable reactivity of the hydrogen peroxide to the yeast granules in the experiment.
Explanation:
As stated in the question, the hydrogen peroxide started fizzing and bubbling in reaction to the yeast granules, which is already a sign of a chemical change. The question also states that there was an increase in temperature. This is another sign of a chemical change. Hope this helped (;
A 10 liter tank of CO2 is at a pressure of 3.5 atm and a temperature of
25°C. How many moles of CO2 are in the tank?
Answers
The moles of CO2 are in the tank is mathematically given as
n=1.431
What are moles of CO2 are in the tank?Question Parameters:
A 10-liter tank of CO2 is at a pressure of 3.5 atm and a temperature of
25°C.
Generally, the equation for the ideal gas is mathematically given as
PV=nRT
Therefore
n=PV/RT
n=354.638kpa*10/8.314 J/mol·K *298k
n=1.431
In conclusion, moles of CO2 is in the tank is
n=1.431
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A. The pendulum would accelerate to the left
B. The pendulum would accelerate downward
C. The pendulum would accelerate to the right
D. The pendulum would accelerate upward
Answers
Answer:
The pendulum would accelerate to the left
Explanation:
hope this helps
What pillar of sustainability is broken by recycling
electronics in India? Should the US make a law that electronics can
only be recycled in the US?
Answers
The pillar of sustainability broken by recycling electronics in India is environmental sustainability. Implementing a law that restricts electronics recycling to the US would not necessarily be the most effective solution, as it overlooks the complex global dynamics of electronic waste management.
Recycling electronics in India often involves improper disposal methods, such as burning or dismantling without proper safety measures. This leads to environmental pollution, including the release of hazardous substances into the air, soil, and water, thus violating the principle of environmental sustainability.
However, simply mandating that electronics can only be recycled in the US may not be the most optimal solution. Electronic waste is a global issue, and restricting recycling to a single country disregards the fact that electronic products are manufactured and consumed worldwide. A more comprehensive approach to addressing electronic waste would involve international cooperation, strict regulations, and monitoring of recycling practices to ensure they meet environmental standards.
Efforts should focus on improving recycling practices globally, including promoting responsible electronic waste management, developing sustainable recycling infrastructure in multiple countries, and encouraging the adoption of safe and environmentally friendly recycling practices. This approach would foster global sustainability and address the challenges associated with electronic waste disposal more effectively than a geographically limited restriction.
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HELP ASAP!!!
WAVES ALWAYS ORIGINATE WITH SOME
a
person
b
object
C
disturbance
Answers
Answer:
Disturbance
Explanation:
I believe it is Disturbance because waves are normally caused by wind, and wind classifies as Disturbance.
A solution of KOH is prepared with a [OH-] concentration of 3.3 × 10-2 M. Calculate [H+], pH, and identify whether the solution is acidic, basic, or neutral.
Answers
Answer:
[H⁺] = 3.03x10⁻¹³ MpH = 12.52The solution is basicExplanation:
We can first calculate [H⁺] by using the formula:
[H⁺] * [OH⁻] = 1x10⁻¹⁴[H⁺] * 3.3x10⁻² = 1x10⁻¹⁴[H⁺] = 3.03x10⁻¹³ MNow we proceed to calculate pH:
pH = -log [H⁺]pH = -log (3.03x10⁻¹³)pH = 12.52As the pH is higher than 7, the solution is basic.
How does water get up to the atmosphere, and how does it get back down to Earth’s surface?
Answers
Answer: water goes into atmosphere through evaporation and get back down on earth surface by precipitation.
Explanation: Evaporation is the process where the water gets evaporated to the atmosphere where the liquid state of the water is changed into the vapor state . Then the vapor condenses into the clouds till the clouds get filled and the water falls as precipitation to the ground or earth. This whole process is called the water cycle.