6 moles CO2
the mass

The strand 1 of hydrocarbons is used to produce plastic, hence option D is correct.

Raw resources like natural gas, oil, or plants that have been processed into ethane and propane are used to make plastics. The subsequent "cracking" procedure uses heat to transform ethane and propane into ethylene and propylene. To produce various polymers, these components are mixed.

Propylene is a substance found in large quantities in petroleum. In order to speed up chemical processes, refiners combine heated propylene with a catalyst to create plastic. Propylene molecules start to cluster together like beads on a thread as a result.

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Answer:

Explanation:

578kj/mol

The equations that show ionization are:

NaCl(s) → Na+(aq) + Cl-(aq)

H3O+(aq) + Cl-(aq)

CaCl2(s) → Ca2+(aq) + 2Cl-(aq)

The equations that show ionization are:

NaCl(s) → Na+(aq) + Cl-(aq)

This equation represents the dissociation of solid sodium chloride (NaCl) into sodium ions (Na+) and chloride ions (Cl-) in aqueous solution.

H3O+(aq) + Cl-(aq)

This equation represents the ionization of hydronium ion (H3O+) and chloride ion (Cl-) in an aqueous solution.

CaCl2(s) → Ca2+(aq) + 2Cl-(aq)

This equation represents the dissociation of solid calcium chloride (CaCl2) into calcium ions (Ca2+) and chloride ions (Cl-) in aqueous solution.

The other equations listed do not specifically show ionization. The equation O2(g) → O2(aq) represents a change of state from a gas (g) to an aqueous solution (aq), but it does not involve the formation of ions. The equation CO2(g) + 2H2O(l) → HCO3-(aq) + H3O+(aq) represents a chemical reaction involving the formation of ions (bicarbonate ion and hydronium ion), but it does not show ionization from a solid or gas. The equation HCI(g) + H2O(l) does not show ionization.

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Answer: According to my ggle search its Copper!

Explanation:

Explanation:

Both sides of the reaction have an identical mass and charge is called a balanced chemical equation.

An equation for a chemical reaction is said to be balanced if both the reactants and the products have the same overall charge and number of atoms for each component. In other words, both sides of the reaction have an identical mass and charge.

To satisfy the law of conservation of mass, which states that "Total mass of the products is equal to Total mass of all the reactants," is the most crucial aspect in balancing chemical equations.

The law of conservation of mass will be broken by an unbalanced chemical equation. If it does, it will suggest that mass is either created or destroyed, which is not feasible.

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Based on our knowledge of strong and weak acids, we can confirm that the Ka value for acetic acid will be relatively low since it is a weak acid.

Acids can be strong or weak. This is determined by its tendency to break apart into ions or stay together to form molecules. Although somewhat counter-intuitive, strong acids are those that are most likely to break apart and therefore contain a high number of ions within their solutions.

Weak acids, on the other hand, are those that tend to stay together in the form of molecules and therefore possess very low ion counts in their solutions. The acid dissociation constant, Kₐ, is used to measure whether an acid is weak or strong and how much so. In the case of Acetic acid, the ka measurement will offer a low value, indicating a weak acid.

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Answer:

Explanation:

How many mols do you have?

1 mol = 6.02 * 10^23 atoms

x mol = 6.25 * 10 ^32 atoms

1/x = 6.02*10^23 / 6.25 * 10^32        Cross multiply

6.02 * 10^23 * x = 1 * 6.25 * 10^32    Divide by 6.02 * 10^23

x = 6.25 * 10*32/ 6.02 ^10^23

x = 1.038 * 10^9 mols which is quite large.

Find the number of grams. (Use the value for copper on your periodic table. I will just use an approximate number.)\

1 mol of copper = 63 grams.

1.038 * 10^9 mols of copper = x

1/1.038 * 10^9 = 63/x         Cross multiply

x = 1.038 * 10^9 * 63

x = 6.54 * 10^10 grams of copper.

The question is incomplete. Here is the complete question.

When 2.10 g of a certain molecular compound X are dissolved in 65.0 g of benzene (C₆H₆), the freezing point of the solution is measured to be 3.5°C. Calculate the molar mass of X. If you need any additional information on benzene, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to 2 significant digits.

Answer: MM = 47.30 g/mol.

Explanation: There is a relationship between freezing point depression and molality. With this last one, is possible to calculate molar mass or molar weight of a compound.

Freezing Point Depression occurs when a solute is added to a solvent: the freezing point of the solvent decreases when a non-volatile solute is incremented.

Molality or molal concentration is a quantity of solute dissolved in a certain mass, in kg, of solvent. Its symbol is m and it's defined as

\(m=\frac{moles(solute)}{kg(solvent)}\)

Freezing point depression and molal are related as the following:

\(\Delta T_{f}=K_{f}.m\)

where

\(\Delta T_{f}\) is freezing point depression of solution

\(K_{f}\) is molal freezing point depression constant

m is molality

Now, to determine molar mass, first, find molality of the mixture:

\(\Delta T_{f}=K_{f}.m\)

\(m=\frac{\Delta T_{f}}{K_{f}}\)

For benzene, constant is 5.12°C/molal. Then

\(m=\frac{3.5}{5.12}\)

m = 0.683 molal

Second, knowing the relationship between molal and moles of solute, determine the last one:

\(m=\frac{moles(solute)}{kg(solvent)}\)

\(mol(solute)=m.kg(solvent)\)

mol(solute) = 0.683(0.065)

mol(solute) = 0.044 mol

The definition for Molar mass is the mass in grams of 1 mol of substance:

\(n(moles)=\frac{m(g)}{MM(g/mol)}\)

\(MM=\frac{m}{n}\)

In the mixture, there are 0.044 moles of X, so its molecular mass is

\(MM=\frac{2.1}{0.044}\)

MM = 47.30 g/mol

The molecular compound X has molecular mass of 47.30 g/mol.

Compound A: Acetaldehyde
- Acetaldehyde is an organic compound with the chemical formula CH3CHO. It is an aldehyde with a carbonyl group (C=O) attached to a methyl group (CH3) and a hydrogen atom (H). The structure of acetaldehyde can be drawn as follows:

H H
|   |
H-C-C=O
|    |
H H

Compound B: Ether
- Ether is a class of organic compounds with the general formula R-O-R', where R and R' are alkyl or aryl groups. An example of an ether is diethyl ether, which has the chemical formula CH3CH2OCH2CH3. The structure of diethyl ether can be drawn as follows:

H H H H
|    |   |   |
H-C-C-O-C-C-H
|    |   |   |
H H H H

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Strong base KOH, Sr(OH)2, NaOH, LiOH, Ca(OH)2. Strong acid HBr, HCl, H2SO4. Weak acid H3PO4. Weak base NH3.

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1) Write the formula of both reactants.

Iron (III) sulfide = Fe2S3

Sodium phosphate = Na3PO4

2) Expected products

Iron(III) phosphate: FePO4

Sodium sulfide: Na2S

3) Complete equation (unbalanced)

4) Balance Iron (Fe)

5) Balance Sodium (Na)

After balancing Iron and Sodium the chemical equation is completely balanced.

6) Word equation

Iron (III) sulfide + Sodium phosphate = Iron(III) phosphate + Sodium phosphate

When each molecule of Na₂SO4•10H₂O is heated, it loses 10 water molecules.

When Na₂SO₄•10H₂O is heated, it loses water molecules to become anhydrous Na₂SO₄.

The number of water molecules lost can be calculated as follows:

Each molecule of Na₂SO₄•10H₂O contains 10 water molecules, so when it is heated, it loses all of these water molecules.

Therefore, when each molecule of Na₂SO4•10H₂O is heated, it loses 10 water molecules.

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Answer:

object are conductor with unbalanced charges

Answer:

29.5 days

Explanation:

orginally 27.3 days but 29.5 days is also correct

Answer:

D Biomass produces no radioactive waste

Explanation:

The covalent bond is present in the compound C₃H₈. The reactant C is 3, product C is 6, reactant H is 8, product H is 10, Reactant O is 2, product O is 9.

What is covalent bond ?

Atoms share electron pair between them in covalent bonds. H-H or C-H are examples of nonpolar covalent bonds between atoms with similar or identical electronegativity, whereas polar covalent bonds are formed when unequal electronegativity is shared between atoms (e.g., H–O).

What is reactant ?

Raw materials known as reactants combine to create products. When the right factors, such as temperature, time, or pressure, come into play, the chemical bonds between the reactants are broken, allowing the atoms to form new bonds that lead to various combinations.

Therefore, covalent bond is present in the compound C₃H₈. The reactant C is 3, product C is 6, reactant H is 8, product H is 10, Reactant O is 2, product O is 9.

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The molecules move faster and farther apart when the state changes from the liquid state to the gaseous state.

The matter exists in different forms in nature. Some substances have a fixed shape like wood and stone and can flow, take the shape of their container such as water, while there are forms of matter that do not have certain shapes or sizes.

In solids, the molecules are closely packed and thus solids have a rigid structure. The compact packing of solids means that the molecules are very close to each other and the molecules do not show movement. The kinetic energy of molecules in the solid is the least.

In liquids, the molecules are some distance away from each other and they show movements. Since the molecules in liquid show significant movement, they have some kinetic energy. The kinetic energy of molecules in the liquid is greater than that of solids.

In gases, the molecules are farther from each other and thus their molecules show large amounts of movement. The kinetic energy in gases is the greatest in comparison to solids and liquids.

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The chemical equation for the reaction 2H⁺(aq) + S₂⁻(aq) → H₂S(g) can be represented as 2H⁺(aq) + S₂⁻(aq) → H₂S(g).

A chemical equation uses symbols and formulas to express a chemical reaction. It displays the products on the right side of the arrow and the reactants on the left.

For example, in the chemical equation

2H₂(g) + O₂(g) → 2H₂O(l),

represents the reaction between hydrogen gas (H2) and oxygen gas (O₂) to produce liquid water (H₂O). The coefficient "2" in front of H₂ and H₂O indicates that two molecules of hydrogen gas and two molecules of water are involved in the reaction.

The equation is balanced using coefficients to make sure that each element has the same amount of atoms on both sides. The substances involved in the reaction and their stoichiometric relationship are described by chemical equations.

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The tennis ball has a kinetic energy of around 56.8 J. The aircraft has a kinetic energy of around 4.43 x 10⁹ J. The hot air balloon travels at a speed of around 9.0 m/s.

How much effort must be put into slowing down a 750 kg automobile from 100 km/h to 50 km/h. We know that the of this automobile at 50.0 km/h is 72,300 Joules from the last example problem.

Ek = 0.5 x 0.058 kg x (46 m/s)²

Ek = 0.5 x 0.058 kg x 2116 m²/s²

Ek = 56.8468 J

Ek = 0.5mv²

Ek = 0.5 x 2.15 x 10⁵ kg x (255 m/s)²

Ek = 0.5 x 2.15 x 10⁵ kg x 65025 m²/s²

Ek = 4.433 x 10⁹ J

Ek = 0.5mv²

v = √(2Ek/m)

v = √(2 x 76550 J / 1890 kg)

v = √(81.011 J/kg)

v = 9.0 m/s (approx.)

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Answer:

Strong winds that blow for a long time over a great distance.

Explanation:

Generally, the biggest and most powerful wind-generated waves are produced by strong storms that blow for a sustained period over a large area. Huge and big waves, or swells, can travel over long distances. The size of the wave depends on wind speed, wind duration, and the area over which the wind is blowing. If The speed of the wind is more, it stays for along time and it covers a larger distance then the waves produced will be very powerful and large.

Because a higher water level translates into a lower atmospheric pressure, the wet CO2 gas pressure is lower than the atmospheric pressure.

Wet CO2 gas pressure is therefore lower than air pressure outside the collection cylinder if the water level inside is higher than the water level outside.

By displacing water, a gas created during a chemical reaction can be collected. As a result of being gathered over water, the gas is not pure and is instead combined with water vapor. By deducting the contribution of the water vapor, the amount of the desired gas can be calculated using Dalton's law.

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A liquid substance that could be used in the laboratory for dissolving dry mortar on floor tiles is vinegar; (i) removing KMnO₄, stains is sodium metabisulfite solution; drying acid anhydrides is concentrated sulfuric acid.

Solvents are substances usually liquids, but may also be gases or solids that dissolve other substances known as solutes.

Solvents are usually used as cleansing agents.

One possible liquid substance that could be used for dissolving dry mortar on floor tiles is a mild acid solution, such as diluted hydrochloric acid or vinegar.

KMnO₄ stains are often difficult to remove, but one substance that can be used is sodium metabisulfite (Na₂S₂O₅) solution. Sodium metabisulfite acts as a reducing agent and can effectively neutralize and remove KMnO₄ stains.

Concentrated sulfuric acid is commonly used in the laboratory as a drying agent. It has a strong affinity for water and can efficiently absorb moisture, including water present in acid anhydrides.

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Answer:

gtjgyjtjyjjjjk

Explanation:

Answer:

210.15 g

Explanation:

The molar mass of nitrogen is approximately 14.01 g/mol.

14.01*15=210.15

Answer:

For every pound lost, replace it with 16 to 20 ounces of fluid

A hydrocarbon is any of a class of organic chemicals made up of only the elements carbon (C) and hydrogen (H).

A substance composed solely of hydrogen and carbon. Coal, petroleum, natural gas, and tar are examples of hydrocarbons. They are used to generate energy.

A hydrocarbon is an organic chemical compound that is made up entirely of hydrogen and carbon atoms. Hydrocarbons are naturally occurring substances that serve as the foundation for crude oil, natural gas, coal, and other important energy sources.

The carbon atom or atoms are usually in the centre of a hydrocarbon molecule, with the hydrogen atoms covalently bonded around it. Hydrocarbons include CH4 C H 4, methane, C2H4 C 2 H 4, ethene, and C6H6 C 6 H 6, benzene.

CnH2n+2 is the general formula for saturated hydrocarbons (assuming non-cyclic structures) Saturated hydrocarbons are the basis of petroleum fuels and are found as either linear or branched species.The simplest alkanes have their C atoms bonded in a straight chain; these are called normal alkanes.

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Answer:

Chemical digestion is a vital part of the digestive process. Without it, your body wouldn't be able to absorb nutrients from the foods you eat, also chemical digestion uses enzymes to break down food

mechanical digestion involves physical movements, such as chewing and muscle contractions,

Explanation: