Which statement describes the neutralizing effect of limestone when exposed to acid rain?.

The atomic ratio of carbon to oxygen in carbon monoxide (CO) is 1:1, and the atomic ratio of carbon to oxygen in carbon dioxide (CO₂) is 2:1.

Firstly, we can analyze the decomposition of carbon monoxide (CO) and carbon dioxide (CO₂) to determine the atomic ratios involved.

Let's denote the atomic ratio of carbon to oxygen in carbon monoxide as x, and the atomic ratio of carbon to oxygen in carbon dioxide as y.

According to the given data;

Decomposition of carbon monoxide (CO);

Oxygen produced = 3.36 g

Carbon produced = 2.52 g

We know that the atomic mass of carbon is 12 g/mol, and the atomic mass of oxygen is 16 g/mol. Using these values, we can calculate the number of moles for each element;

Number of moles of oxygen = mass / atomic mass = 3.36 g / 16 g/mol = 0.21 mol

Number of moles of carbon = mass / atomic mass = 2.52 g / 12 g/mol = 0.21 mol

Since the atomic ratio of carbon to oxygen in carbon monoxide is x, we can write the following equation;

0.21 mol C / (0.21 mol O) = x

Simplifying the equation, we have;

x = 1

Therefore, the atomic ratio of carbon to oxygen in carbon monoxide is 1:1.

Decomposition of carbon dioxide (CO₂);

Oxygen produced = 9.92 g

Carbon produced = 3.72 g

Following the same calculations as before;

Number of moles of oxygen = mass / atomic mass = 9.92 g / 16 g/mol = 0.62 mol

Number of moles of carbon = mass / atomic mass = 3.72 g / 12 g/mol = 0.31 mol

Since the atomic ratio of carbon to oxygen in carbon dioxide is y, we can write the following equation;

0.31 mol C / (0.62 mol O) = y

Simplifying the equation, we have;

y = 0.5

Therefore, the atomic ratio of carbon to oxygen in carbon dioxide is 1:0.5, which can be simplified to 2:1.

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--The given question is incomplete, the complete question is

"Missed this? watch kcv: atomic theory; read section 2.3. you can click on the review link to access the section in your text. carbon and oxygen form both carbon monoxide and carbon dioxide. when samples of these are decomposed, the carbon monoxide produces 3.36 g of oxygen and 2.52 g of carbon, while the carbon dioxide produces 9.92 g of oxygen and 3.72 g of carbon. Calculate the atomic ratio of carbon to oxygen in carbon monoxide, and carbon dioxide."--

Answer:

C

Explanation:

Brainliest

I tried my best

Answer:3.381 X 10^(-11)

Explanation:

The formula for buoyant force is F = -Volume*density*gravitational acceleration. Convert volume and density to SI units and then apply them in the formula where gravitational acceleration is 9.8m/s^2. Done

Answer:

Pd (palladium).

Explanation:

46 electrons total, this is representative of the Pd (palladium) element.

Two or more than two atoms with different physical or chemical properties can not combine together to form an element. Palladium (Pd) element is represented by the ground state electronic configuration.

Element generally consist of atoms or we can atoms combine to form element. Atoms of an element is always same, means all the properties of all atoms of one type of element is same.

The ground state electronic configuration of 1s² 2s² 2p⁶3s² 3p⁶4s² 3d¹⁰ 4p⁶ 5s² 4d⁸ shows total 46 electrons. The element with atomic number 46 is palladium, Pd. Palladium is a d block element. Palladium is found in group 8 and period four of periodic table.

Therefore, palladium (Pd) element is represented by the ground state electronic configuration.

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The moles of silver nitrate required to form 0.854 mol silver ion has been 0.854 mol.

The balanced chemical equation for the dissolution of silver nitrate has been:

\(\rm AgNO_3\;\rightarrow\;Ag^+\;+\;NO_3^-\)

The aqueous solution of silver nitrate has been dissociated into the constituent silver and nitrate ions.

In a balanced chemical equation, the coefficient has been equivalent to the moles of each reactant forming the moles of product.

From, the balanced equation,

\(\rm 1\;mol\;AgNO_3=1\;mol\;Ag\)

The given moles of Silver has been 0.854 mol. Thus, the moles of silver nitrate required has been given as:

\(\rm 1\;mol\;Ag^+=1\;mol\;AgNO_3\\0.854\;mol\;Ag^+=0.854\;\times\;1\;mol\;AgNO_3\\0.854\;mol\;Ag^+=0.854\;mol\;AgNO_3\)

The moles of silver nitrate required to form 0.854 mol silver ion has been 0.854 mol.

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The tensile stress required to fail a tensile coupon that has a 0.5 mm crack on one side is about 14.35 MPa.

Polymethyl methacrylate (PMMA) is a transparent thermoplastic often used as a lightweight or shatter-resistant alternative to glass. It is also used in casting, molding, and extrusion. The tensile strength of PMMA is roughly 65 MPa, but this value changes when a defect is present. The stress required to cause failure can be calculated using the single edge notch plate model to calculate the geometric factor Y.

The fracture toughness of PMMA is 1 MPa m¹/2, and the crack length is 0.5 mm. 12.5 mm is the width of the specimen.For a tensile coupon, the tensile stress required to fail it with a 0.5 mm crack on one side is calculated using the following formula:Stress = (K IC / Y √(πa)) × (b / W)where KIC is the fracture toughness, Y is the geometric factor, a is the crack length, b is the specimen width, and W is the specimen width. For a PMMA coupon with a 0.5 mm crack, a is 0.5/2 = 0.25 mm. Y = 1.12, according to the single edge notch plate model. Substituting the given values, the stress required to fail the coupon is:Stress = (1 MPa m¹/² / 1.12 √(π x 0.25 mm)) × (12.5 mm / 12.5 mm)≈ 14.35 MPa.

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At STP (standard temperature and pressure, T = 273K and P = 1 atm), a mol of gas will have a volume of 22.4 Liters, so if we have 57.1 Liters of CO2, we will have:

22.4 L = 1 mol

57.1 L = x moles of CO2

x = 2.5 moles of CO2 in 57.1 L at STP

3C⁻⁻ on reaction with HI gives I⁻⁻⁻ as the main products and not H⁻ and C₂H₅I.

When 3C⁻⁻ is reacted with HI, the reaction product obtained is I⁻⁻⁻ as the main product. The C₂H₅I and H⁻ are not produced in significant quantities and cannot be considered the main product.The 3C⁻⁻ compound reacts with HI in the presence of a solvent to produce hydrogen gas, H⁻, C₂H₅I, and I⁻⁻⁻. The primary product obtained is I⁻⁻⁻ because it is stable and has a higher energy than C₂H₅I and H⁻.However, the reaction can be controlled to obtain C₂H₅I and H⁻ as the primary products by changing the reaction conditions. The reaction must be carried out in anhydrous conditions and at a low temperature so that the reaction proceeds in the desired direction.

3C⁻⁻ on reaction with HI gives I⁻⁻⁻ as the main products and not H⁻ and C₂H₅I. However, the reaction can be controlled to obtain C₂H₅I and H⁻ as the primary products by changing the reaction conditions.

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Answer:The amount of energy used or released as heat in a reaction.

Explanation:

Using the expression of Clausius-Clapeyron equation we can calculate the vapor pressure. Putting all the values in the expression we get the result.

The vapor pressure can be defined as the force that an evaporating substance exerts against the walls of a sealed container. ln (P1/P2) = (ΔHvap. /R) (1/T2 - 1/T1). where, P1 and  P2 are the vapor pressures at two temperatures T and T2 . A solution made from 23.5 g of glycerin in 130 g of methanol at 50 °C. The vapor pressure of pure methanol at 50 °C is 400 torr. Clausius-Clapeyron equation allows to estimate the vapor pressure at another temperature if the vapor pressure is known at some temperature and if the enthalpy of vaporization is known. The partial vapor pressure of a component in a mixture is equal to the vapor pressure of the component at that temperature multiplied by the component's mole fraction.

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6.07 g of gold chloride is created when 3.94 g of gold is combined with chlorine.

Here are five facts about chlorine:

Chlorine ranks as the third most prevalent element in the planet's water supply. In the Earth's crust, chlorine ranks as the 21st most common element. In the human body, chlorine is the tenth most common element. Chlorine gas has a yellow-green color and an earthy scent.

Chlorine is used to produce chlorides, chlorinated solvents, pesticides, polymers, synthetic rubbers, and refrigerants, among other things.

Gold is made into chloride by mixing it with chlorine.

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The molarity of the phosphorous acid solution is approximately 0.00760 M.To determine the molarity of the phosphorous acid solution, we need to use the balanced chemical equation and the stoichiometry of the reaction between ammonia and phosphorous acid.

The balanced chemical equation for the reaction between ammonia (NH3) and phosphorous acid (H3PO3) is:

3NH3 + H3PO3 -> (NH4)3PO3

From the equation, we can see that the ratio of ammonia to phosphorous acid is 3:1.

Given that 11.91 ml of 0.162 M ammonia solution reacts, we can calculate the number of moles of ammonia used:

Moles of ammonia = volume (in L) x molarity

Moles of ammonia = 0.01191 L x 0.162 mol/L = 0.001930 mol

Since the ratio of ammonia to phosphorous acid is 3:1, we know that the number of moles of phosphorous acid used is one-third of the moles of ammonia:

Moles of phosphorous acid = 1/3 x moles of ammonia

Moles of phosphorous acid = 1/3 x 0.001930 mol = 0.000643 mol

Next, we calculate the molarity of the phosphorous acid solution:

Molarity = moles of solute / volume of solution (in L)

Molarity = 0.000643 mol / 0.08459 L = 0.00760 M

Therefore, the molarity of the phosphorous acid solution is approximately 0.00760 M.

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Answer:

moles or atoms?

Explanation:

you can't have a molecule of any so there's two different answers that I can give you:

how many moles? 1.5

how many atoms? 9.03x10^23 atoms

At STP 1 mole of an ideal gas occupies 22.4L.

33.6 L x 1 mol/22.4 L = 1.5 moles of Neon

1.5 moles Ne x 6.02x1023 atoms/mole = 9.03x1023 atoms

9.03x10²³ molecules are in 33.6 liters of neon (Ne) gas at STP. At STP 1 mole of an ideal gas occupies 22.4L.

The smallest unit of matter that may be split without producing electrically charged particles is the atom. It is also the smallest piece of substance with chemical element-like characteristics. Electric forces, which link electrons towards the nucleus of atoms, cause them to be drawn to any positive charge.

Space makes up the majority of an atom. The remainder is made up of a cloud of negatively charged electrons around a positively charged nucleus made up of protons and neutrons. Compared to electrons, that are the smallest charged particles in nature, the nucleus is tiny and dense.  

At STP 1 mole of an ideal gas occupies 22.4L.

33.6 L x 1 mol/22.4 L = 1.5 moles of Neon

1.5 moles Ne x 6.02x10²³ atoms/mole = 9.03x10²³ atoms

Therefore, 9.03x10²³ molecules are in 33.6 liters of neon (Ne) gas at STP.

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The conditions for a standard electrochemical cell. select one or more : pressure of 1 atm temperature of 298 k solution concentrations of 1 M.

The electrochemical cell is the cell that is capable of generating the electrical energy from the chemical reactions or by the use of the electrical energy to cause the chemical reaction. The conditions for a standard electrochemical cell. select one or more : pressure of 1 atm temperature of 298 k solution concentrations of 1 M.  

There are the two types of the electrochemical cells is as follows : the galvanic called the electrolytic cells. the galvanic cell is also called as the voltaic cell.

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the actual quantity of nitrogen, phosphorus, and potassium guaranteed to be applied to the maize field is 50 kg, 50 kg, and 25 kg, respectively.

For Nitrogen (N):

The percentage of nitrogen in the fertilizer is 20%. Therefore, the amount of nitrogen applied can be calculated as:

Nitrogen = (20/100) * 250 kg

Nitrogen = 0.2 * 250 kg

Nitrogen = 50 kg

For Phosphorus (P):

The percentage of phosphorus in the fertilizer is also 20%. Thus, the amount of phosphorus applied can be calculated as:

Phosphorus = (20/100) * 250 kg

Phosphorus = 0.2 * 250 kg

Phosphorus = 50 kg

For Potassium (K):

The percentage of potassium in the fertilizer is 10%. So, the amount of potassium applied can be determined as:

Potassium = (10/100) * 250 kg

Potassium = 0.1 * 250 kg

Potassium = 25 kg

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Answer:

A. i think

Explanation:

hope this helps u!

The dust cloud created by the asteroid impact caused a global climate change that drastically altered the Earth's environment.  Hence, option A is correct.

The dust and debris in the atmosphere blocked out the Sun's rays, causing a cooling effect on the planet's surface. This reduction in sunlight meant that photosynthesis, the process by which plants make food, was greatly reduced.

As a result, plant life was severely affected, leading to the extinction of many herbivorous animals that relied on them for food.

The loss of herbivores then caused a chain reaction of extinctions among carnivorous animals that relied on them for food. Additionally, the impact and resulting earthquakes and tsunamis, along with the massive fires that likely occurred, also contributed to the mass extinction event.

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The elements fluorine (F), chlorine (CL),and Iodine are all parts of the same _group___ on the periodic table

3 chemical properties of for Neon is colorless, odorless and tasteless

Neon is a rare atmospheric gas and as such is non toxic and chemically inert and neon poses no threat to the environment and can have no impact at all because its chemically unreactive and form no compound and no known ecological damage caused by this element and the properties of neon include the colorless and tasteless and odorless inert gas and it changes to reddish orange color in vacuums tube and it is chemically inactive

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Answer:

Float

Explanation:

Becuase 240 g had more volume then the 60 cm3 which is lighter that the mass of 240 grams

Landslides happen when it rains making the ground heaver and more likeable to a landslide.

Answer:

gain or loses electrons.

Explanation:

Because the atom need to be balanced.

Answer:

grese

Explanation:

Any liquid could absorb and release thermal energy. However, a refrigerant or a coolant absorbs heat and releases it to any area faster than any ordinary liquid such as water. So to complete the sentence: A refrigerant/cooler is a liquid that absorbs and releases thermal energy

Answer:

Coolant

Explanation:

Every liquid does that but

Coolant does it the fastest

The number of Hiroshima-sized atomic bombs that are equivalent to 4.0 x 10²³ J is 6 million bombs.

The number of Hiroshima-sized atomic bombs (63 x 10¹²J) are equivalent to 4.0 x 10²³ J is calculated as follows:

The given amount of energy =  4.0 x 10²³ J

The energy released by a Hiroshima-sized atomic bomb = 63 x 10¹²J

The number of Hiroshima-sized atomic bombs (63 x 10¹²J) are equivalent to 4.0 x 10²³ J = 4.0 x 10²³ J / 63 x 10¹²J

Number of bombs = 6 million bombs

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The evidence that Mendeleev used to decide that the alkali metals should

be in the same group was because they exhibited the same properties.

Alkali metals are found in Group I together with Hydrogen and examples

include potassium, lithium etc  and are the most electropositive sets of

elements.

All require the loss of one electron to attain an octet configuration which

makes them to be very reactive with other elements.

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Glucose will dialyze from a 0.050 M solution to a 0.010 M solution, glucose molecules will diffuse through the semipermeable membrane, from the higher concentration.

Dialysis is a process in which solute molecules selectively pass through a semipermeable membrane from a region of higher concentration to a region of lower concentration. In this scenario, glucose is the solute and solutions A and B represent different concentrations of glucose.

Since the concentration of glucose in solution B (0.050 M) is higher than in solution A (0.010 M), glucose molecules will dialyze from solution B to solution A. This movement occurs because dialysis allows for the equalization of concentrations, with solute molecules moving from regions of higher concentration to regions of lower concentration.

As a result, solution B to the lower concentration solution A, until the concentration becomes equalized or reaches equilibrium. Therefore, the glucose will dialyze from the 0.050 M solution to the 0.010 M solution.

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To find the number of moles of H₂O required, we need to determine the molar ratio between H3PO3 and H₂O in the balanced equation.

From the balanced equation:

P2O3 + 3H₂O → 2H3PO3

We can see that 2 moles of H3PO3 are produced from 3 moles of H₂O.

To calculate the number of moles of H₂O, we can set up a proportion using the molar ratios:

2 moles H3PO3 / 3 moles H₂O = 164 g H3PO3 / x moles H₂O

Cross-multiplying the proportion, we have:

2 moles H3PO3 * x moles H₂O = 3 moles H₂O * 164 g H3PO3

2x = 3 * 164

Simplifying:

2x = 492

x = 492 / 2

x = 246

Therefore, 246 moles of H₂O are required.

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Answer:

3

Explanation:

Answer:

B. its tilt toward the sun

Explanation:

Answer:The primary reason is the tilt of the earth towards the sun

The original volume of HBr that was titrated can be calculated as the ratio of the moles of HBr to its concentration.

To determine the original volume of HBr that was titrated, we can use the concept of stoichiometry and the equation balanced for the neutralization reaction between HBr and KOH.

The balanced equation is:

HBr + KOH → KBr + H₂O

From the balanced equation, we can see that the stoichiometric ratio between HBr and KOH is 1:1. This means that for every mole of HBr, we need an equal number of moles of KOH to complete neutralization.

First, let's determine the moles of KOH used in the titration:

Moles of KOH = 0.500 M × 0.075 L = 0.0375 mol

Since the stoichiometric ratio is 1:1, this also represents the number of moles of HBr that were neutralized.

Now, we can calculate the original volume of HBr using the concentration of the unknown solution:

Moles of HBr = 0.0375 mol

Concentration of HBr = unknown (let's assume it is C mol/L)

Volume of HBr = Moles of HBr / Concentration of HBr = 0.0375 mol / C mol/L

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