if the enthalpy of neutralization of sodium hydroxide with hydrochloric acid is -57 kj/mol, what is your percent error? quora

An example of where dry deposition would be higher than wet deposition is Mediterranean regions like Greece, Malta, Cyprus.

An example of where wet deposition would be higher than dry deposition are rainforest areas.

Dry deposition is described as the free fall to Earth directly from the atmosphere of atmospheric trace gases and particulate matter.

Wet deposition is the process whereby atmospheric gases mix with suspended water in the atmosphere and are then washed out through rain, snow or fog.

Wet deposition includes rain, sleet, snow, or fog that has become more acidic than normal while dry deposition is known as another form of acid deposition, and this is when gases and dust particles become acidic.

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Answer:

are electrons causing the ion to have a positive charge and anions are electrons that have a negative charge

Explanation:

Answer:

The nucleus is a collection of particles called protons, which are positively charged, and neutrons, which are electrically neutral. Protons and neutrons are in turn made up of particles called quarks. The chemical element of an atom is determined by the number of protons, or the atomic number, Z, of the nucleus.

Heat of vaporization is the amount of heat energy required to convert a substance from its liquid state to its gaseous state at a constant temperature and pressure. It is a measure of the strength of the intermolecular forces holding the molecules together in the liquid phase.

Heat of vaporization:

Heat of vaporization is the amount of heat energy required to convert a substance from its liquid state to its gaseous state at a constant temperature and pressure. It is a measure of the strength of the intermolecular forces holding the molecules together in the liquid phase.

When a substance is heated, the added energy increases the kinetic energy of the molecules, causing them to move faster. As the temperature rises, the average kinetic energy of the molecules increases, and eventually, the molecules have enough energy to overcome the intermolecular forces and escape from the liquid phase, forming a gas.

The heat of vaporization is specific to each substance and is typically expressed in units of joules per gram (J/g) or calories per gram (cal/g). It is an important property in various applications, such as in the design of cooling systems, understanding phase changes, and calculating energy requirements for processes involving vaporization.

Fact:

The heat of vaporization for water is approximately 40.7 kilojoules per mole (kJ/mol) at its boiling point of 100 degrees Celsius.

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The heat of vaporization is the amount of heat required to convert one gram of a substance from its liquid state to its gaseous state without any change in temperature. It is denoted by delta Hvap.

This is a measure of the energy that is required to overcome the intermolecular forces that hold a liquid together and break the bonds between the molecules to form a gas.Heat of vaporization is the amount of heat required to convert one gram of a substance from its liquid state to its gaseous state without any change in temperature.

There are many interesting phenomena where the heat of vaporisation can be seen. For instance, heat is continuously added to liquid water when it boils on a hob in order to overcome the intermolecular interactions and turn it into water vapour. Similar to how sweat evaporates from our skin, the heat that is removed from us as the sweat changes from a liquid to a gas cools us down.

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Answer: The specific heat capacity of the milk is 0.24 J/g°C.

Explanation:

The specific heat capacity (C) of a substance is defined as the amount of heat energy required to raise the temperature of a unit mass of the substance by one degree Celsius. To find the specific heat capacity of the milk in this case, we need to divide the total heat energy added to the milk (120000 J) by the change in temperature of the milk (120 degrees Celsius) and the mass of the milk (25000 g).

Using this formula, the specific heat capacity of the milk can be calculated as follows:

C = (120000 J) / (25000 g * 120°C)

C = (120000 J) / (25000 g * 120 K) (converting Celsius to Kelvin)

C = 0.24 J/g°C

So, the specific heat capacity of the milk is 0.24 J/g°C.

Answer:

do you mean DeF?

Explanation:

Answer:

Ammonium Chloride will undergo sublimation.

Explanation:

Answer:

Potassium sulfide

Potassium sulfide (K2S)

Explanation:

Potassium sulfide I searched it up so it has to be right. Right?

Answer:

False

Explanation:

The air masses are not responsible for weather , it is cause by the Earth evolution

Therefore, the glycosylations are likely to be N-linked, which is the most common type of glycosylation that occurs in the ER is the correct option

If a glycosylated protein is purified from the ER, it is most likely to be a N-linked glycosylation. The correct option is option D.N-linked glycosylation is the most common type of glycosylation in the ER, where carbohydrates are added to the nitrogen atom of the side chain of asparagine residues that are part of a specific consensus sequence (Asn-X-Ser or Thr, where X can be any amino acid except Pro). There are also O-linked and C-linked glycosylation types.

Therefore, the glycosylations are likely to be N-linked, which is the most common type of glycosylation that occurs in the ER is the correct option. All other options are false. The protein may be either an integral membrane protein or a soluble protein; it may be targeted to various intracellular organelles, including lysosomes, or it may remain in the ER; the glycosyl groups may contain a variety of monosaccharides, including mannose; and the protein may or may not contain a signal sequence.

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a. The balls were most likely mothballs, which are commonly made of naphthalene or paradichlorobenzene.

b. The balls disappeared/decreased in size due to sublimation, where they transitioned from solid to gas without becoming a liquid.

c. The purpose of putting the balls along with clothes was to repel moths and other insects, protecting the woolen clothes from damage during storage.

a. The composition of the balls was most likely mothballs, which are typically made of a chemical compound called naphthalene or paradichlorobenzene.

b. The balls disappeared or decreased in size due to sublimation. Mothballs undergo a process called sublimation, where they transition from a solid to a gas state without going through the liquid phase. This means that over time, the mothballs slowly vaporize and dissipate into the air, resulting in their decrease in size or disappearance.

c. The purpose of putting those balls along with clothes was to prevent damage from moths and other insects. Mothballs contain chemicals that release a strong odor, which is unpleasant to insects. The odor acts as a deterrent and helps protect the clothes from being damaged by moth larvae or other pests that feed on natural fibers like wool. By placing the mothballs in the storage area, it creates an environment that repels these insects and helps preserve the quality of the woollen clothes during storage.

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If elements are in the same period, it implies that they have the same number of atomic orbitals. It further indicates that these elements have their valence electrons in the same outermost electron shell.

Elements in a particular period have the same number of atomic orbitals. The number of orbitals increases from left to right across the period. Thus, the first period has one orbital, the second has two orbitals, and so on.Each orbital can hold up to two electrons, thus the number of electrons in an element increases from left to right across a period. When electrons are added to the same shell, they experience increased effective nuclear charge because of the increasing number of protons.

Consequently, the atomic size becomes smaller from left to right across a period. The properties of elements within a period are mainly determined by their valence electrons, which are found in the same outermost electron shell. As the number of valence electrons increases from left to right, elements become less metallic and more non-metallic. This occurs because metals tend to lose electrons, while non-metals tend to gain electrons to attain the noble gas electronic configuration.

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Answer:

atmosphere

Explanation:

atmosphere is composed of all air particles surrounding the Earth

biosphere is composed of all living organisms on the Earth

hydrosphere is composed of all water particles in the Earth

I guess geosphere is all about rocks and soils

Answer:

5 is the answer since they are asking for pair. And 3 pairs in the triple bond

Answer:hydrogen=1

carbon=3

total=2h+c=2×1+3=5

Answer:

2.5 atm

Explanation:

P = Pressure

V = Volume

P1V1 = P2V2

1 x 5 = P2 x 2

5 = P2 x 2

Divide both sides by 2

5/2 = P2 x 2/2

P2 = 2.5

The molar mass of Be(CIO3)₂ is 176g/mol.

The molar mass of a substance is the mass of a given substance divided by its amount, measured in moles.

It is commonly expressed in grams (sometimes kilograms) per mole. The molar mass of a substance can be calculated by summing the atomic masses of each element in the substance as follows:

Molar mass of Be(CIO₃)₂ = 9 + {35.5 + 16(3)}2

Molar mass = 176g/mol

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Answer:

it could harbor dangerous chemicals that damage the car if released

it could be holding parts together

it could have something dangerous inside

Answer:

Cellular Respiration

Explanation:

Plants convert glucose to energy through a thing called cellular respiration. This process is when glucose + oxygen in the precenses of sunlight = carbon dioxide, water, and ATP(energy for the cells)

From the percentage composition, the empirical formula of nicotine is C₅H₇N.

The mole ratio of the elements carbon, hydrogen, and nitrogen is 5 : 7 : 1

The empirical formula of a compound is the formula showing the elements combined in the simplest ratio.

The empirical formula of nicotine is calculated as follows:

Mole ratio of Carbon : 74%/12 = 0.06 moles

Mole ratio of Hydrogen : 8.7%/1 = 0.087 moles

Mole ratio of nitrogen : 17.3% / 14 = 0.012 moles

Simplest mole ratio:

Carbon: 0.06/0.012 = 5

Hydrogen: 0.087 / 0.012 = 7

Nitrogen : 0.012 / 0.012 = 1

The empirical formula of nicotine will be C₅H₇N

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The earth’s magnetic poles are in the general direction of the planet’s geographic poles. the phrase "general direction" mean  different and complete opposite way.

A bar magnet that is suspended freely will always point north-south. This is a result of the bar magnet's south pole being drawn to the Earth's magnetic north pole (geographic south).

Geographic and magnetic poles on Earth are generated by various sources, thus they are not perfectly aligned. The outer core's swirling currents of liquid iron are what generate the Earth's magnetic field.

Thus, Option D is correct.

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Answer:

a transverse wave

Explanation:

Answer:

from 10-14

Explanation:

the pH of potassium hydroxide is extremely high and is a strong base although the exact value depends on the concentration of the base in water.

The given statement ," Greenhouse gases affect the temperature of the earth by blocking sunlight from reaching the earth" is true.

Generally the greenhouse effect is defined as a process that occurs when gases in Earth's atmosphere usually trap the Sun's heat. The process of greenhouse gases makes Earth much warmer than it would be without an atmosphere. Basically greenhouse effect is one of the things that makes our Earth a comfortable place to live.

Generally greenhouse gases are also known as GHGs are gases in the earth's atmosphere that trap heat. Basically, during the day time, the sun shines through the atmosphere, warming the earth's surface. During the night time the earth's surface cools, releasing heat back into the air.

Hence, the given statement is true.

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There are approximately 1 x 10^23 He atoms in a balloon containing 1/6 mol Helium.

To answer this question, we first need to understand what a mole is. A mole is a unit of measurement used in chemistry that represents the amount of substance in a system. One mole of any substance contains 6.02 * 10^{23} particles, which is known as Avogadro's number.
In this case, we have a balloon containing 1/6 mol He. This means that there are 1/6 * 6.02 * 10^{23} He atoms in the balloon. Simplifying this, we get:
1/6 * 6.02 * 10^{23} = 1.0033 * 10^{23}
Therefore, there are approximately 1 x 10^23 He atoms in the balloon.

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complete question:

I have a balloon containing 1/6 mol He. How many He atoms are in the balloon?

a) 10^23

b) 4 million

c) 0.01

d) 1 x 10^21

Answer:

28.8km/h

Explanation:

Change the 5min to hours.

=5/60 =0.0833hrs

Velocity= Distance /Time

2.4/0.0833

=28.8km/h

Isotopes are any of two or more forms of an element where the atoms have the same number of protons, but a different number of neutrons within their nuclei. Thus, isotopes have the same atomic number but a different mass number.

In an atom, there are three components called subatomic particles as follows:

In a neutral atom, the number of protons, which is the atomic number, equate the number of electrons.

According to this question, the transparent subatomic particle inside the atom's nucleus is proton while the blue colored particle is the neutron.

In atom A, there are 3 protons, hence the atomic number of atom A is 3. However, in atom B, the number of protons and neutrons are 4 and 3 respectively, hence, the mass number i.e. protons + neutrons is 7.

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the north pole of the magnet will repel the north pole of another magnet

Answer:

Explanation:

An atom is the smallest unit of an element that can take part in a chemical reaction. Atoms (and there corresponding symbols) mentioned in the question are

Lithium ⇒ Li

Carbon ⇒ C

Nitrogen ⇒ N

Potassium ⇒ K

Oxygen ⇒ O

Iron ⇒ Fe

Chlorine ⇒ Cl

A compound is substance that contains two or more atoms that are chemically combined and can be represented with a chemical formula. The compounds (and there corresponding formula) mentioned in the question are

Water ⇒ H₂O

Edible salt (sodium chloride) ⇒ NaCl

Chalk (calcium carbonate) ⇒ CaCO₃

Lime (calcium oxide) ⇒ CaO

Iodides (such as sodium iodide and potassium iodide) ⇒ NaI and KI respectively