When dissociated into water, what type of particles do acids release?

Heating the can increases the kinetic energy of the gas molecules.

Increasing the kinetic energy of the gas molecules increases the pressure of the gas on the can.

Crushing the can reduces its volume.

As volume decreases, the pressure inside the can increases because the gas molecules collide with the can’s walls more often.

If the pressure gets too high, the can may explode.

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Heating can cause an increase in the kinetic energy of molecules. As the air is compressed the volume decreases and the pressure will be high.

Boyle’s law can be described as the pressure acted by a given mass of gas at a constant temperature of the gas being inversely proportional to the volume of the gas.

The pressure and volume are inversely proportional as long as the temperature is kept constant.

P ∝ 1/V

P₁.V₁ = P₂.V₂                                                    ...........(1)

The heating of the aerosol can cause an increase in the kinetic energy of gas molecules. When the air is compressed, its volume decreases, and the pressure will be high. As the temperature increased, the volume of the gas is also directly proportional to the temperature.

Therefore, the heating will increase the temperature and the volume of the compressed air. Therefore, it can explode in the presence of heat.

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Answer:

MnF₂*10H₂O.

Explanation:

The mass percent ( m ÷ m ) of a solution prepared by dissolving 55.84 g of NaCl in 152.7 g of H₂O is 26.78 %

Mass is a physical body's total amount of matter. Inertia, or the body's resistance to acceleration when a net force is applied, is also measured by this term.

The intensity of an object's gravitational pull to other bodies is also influenced by its mass. The kilogram is the primary mass unit in the SI.

The amount of matter that makes up every item or body is the greatest way to understand mass. Everything that we can see has mass. Examples of objects with mass include a table, a chair, your bed, a football, a glass, and even air.

m ( NaCl)   = 55.84 g  and m ( H2O ) = 157.2 g.

m (  solution) = m ( NaCl ) +  m ( H₂O )

w ( NaCl ) = 100 m ( NaCl ) ÷ m (  solution ) = 100 m   ( NaCl )  / ( m ( NaCl ) + m ( H₂O )

w ( NaCl ) = 100 × 55.84/  ( 55.84+152.7 ) = 26.78%

Thus, the mass percent ( m ÷ m ) of a solution prepared by dissolving 55.84 g of NaCl in 152.7 g of H₂O is 26.78 %

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Final answer:

Using the enthalpy of vaporization for water, the energy from a candy bar could vaporize approximately 0.421 liters of water at 100°C.

Explanation:

To determine how much water could be vaporized from the energy obtained from a candy bar, we need to use the enthalpy of vaporization of water at 100°C, which is given as 40.7 kJ/mol. This value tells us the amount of energy needed to convert one mole of water from liquid to gas at these conditions.

First, we convert the energy in kJ from the candy bar to moles of water using the enthalpy of vaporization:

955 kJ × (1 mol / 40.7 kJ) = 23.46 moles of water

Next, we'll convert the moles of water to grams since we know the molar mass of water is approximately 18 g/mol:

23.46 moles × 18 g/mol = 421.28 grams of water

Finally, given that the density of water is 1.00 g/mL and that 1 liter equals 1000 mL, we convert grams to liters:

421.28 g × (1 mL / 1 g) × (1 L / 1000 mL) = 0.421 L of water

Therefore, the energy from the candy bar could vaporize approximately 0.421 liters of water.

Answer:

B

Explanation:

i just had the quiz for plato, the guy above is correct too, so brainliest to him

Answer: it is a weighted average of the masses of an element’s isotopes

Explanation:

Answer: The correct answer is Option b.

Explanation:

The given reactions are the examples of single displacement reactions.

Single displacement reactions are defined as the reactions in which more reactive metal replaces the less reactive metal from its chemical reaction. The reactivity of metals is given by the series known as reactivity series.

The metals which lie above in the series can replace the metals which lie low in the reactivity series.

[tex]A+BX\rightarrow AX+B[/tex]

For the given options:

Option a: [tex]Ag+Cu^{2+}\rightarrow Ag^++Cu[/tex]

Silver lies low in the series than copper and hence is less reactive. Therefore, it will not replace copper. Thus, this is a non-spontaneous reaction.

Option b: [tex]Al+H^+\rightarrow Al^{3+}+H_2[/tex]

Aluminium lies above in the series than hydrogen and hence is more reactive. Therefore, it will easily replace hydrogen. Thus, this is a spontaneous reaction.

Option c: [tex]H_2+Al^{3+}\rightarrow H^++Al[/tex]

Hydrogen lies low in the series than aluminium and hence is less reactive. Therefore, it will not replace aluminium. Thus, this is a non-spontaneous reaction.

Option d: [tex]Na+K^+\rightarrow Na^++K[/tex]

Sodium lies low in the series than potassium and hence is less reactive. Therefore, it will not replace potassium. Thus, this is a non-spontaneous reaction.

Hence, the correct answer is Option b.

Answer: The product formed from the reaction of these two is sulfurous acid.

Explanation:

When sulfur dioxide reacts with water molecule, it leads to the formation of an acid known as sulfurous acid.

The chemical reaction for the combination of sulfur dioxide and water follows the equation:

[tex]SO_2(g)+H_2O(l)\rightarrow H_2SO_3(aq.)[/tex]

By Stoichiometry of the reaction:

1 mole of sulfur dioxide reacts with 1 mole of water molecule to produce 1 mole of sulfurous acid.

Hence, the product formed from the reaction of these two is sulfurous acid.

The mass percent of nitrogen in lead (II) nitrate (Pb(NO3)2) is calculated by dividing the total mass of nitrogen by the molecular mass of lead (II) nitrate and multiplying by 100%, which is approximately 8.46%.

To determine the mass percent of nitrogen in lead (II) nitrate (Pb(NO3)2), you need to find the total mass of nitrogen in the compound and divide it by the molecular mass of lead (II) nitrate. The molar mass of lead (II) nitrate is the sum of the mass of one lead atom, two nitrogen atoms, and six oxygen atoms. Thus, the molar mass of Pb(NO3)2 is 207.2 (mass of Pb) + 2(14.007) (mass of N) + 6(15.999) (mass of O) = 331.209 g/mol. The total mass of nitrogen is 2 × 14.007 g/mol = 28.014 g/mol.

To find the mass percent, we use the formula:

Mass percent of N = (Total mass of N / Molar mass of Pb(NO3)2) × 100%

Mass percent of N = (28.014 g/mol / 331.209 g/mol) × 100% ≈ 8.46%

B. A substance that donates electron to form a covalent bond

Answer: The balanced chemical equation is given below.

Explanation:

Every balanced chemical equation follows law of conservation of mass.

This law states that mass can neither be created nor be destroyed but it can only be transformed from one form to another form. This law also states that total number of individual atoms on the reactant side must be equal to the total number of individual atoms on the product side.

For the given reaction, the balance chemical equation follows:

[tex]6NaBr+Ca_3(PO_4)_2\rightarrow 3CaBr_2+2Na_3PO_4[/tex]

By stoichiometry of the reaction:

6 moles of sodium bromide reacts with 1 mole of calcium phosphate to produce 3 moles of calcium bromide and 2 moles of sodium phosphate.

4 dozen eggs= 48 eggs

48 eggs/ 3 eggs

16 three egg omelets can be made

Answer:

a Cumbustion reaction, i just did it

Explanation:

Answer:

Explanation:

3.86 L CO  x  1 mol O2  x  1mole O2   x  22.4 L O2  =  1.93 L O2

                   22.4 L CO     2 mole CO      1 mole O2

The volume of oxygen, O₂ in litre (L) required to burn 3.86 L of carbon monoxide , CO is 1.93 L

2CO + O₂ —> 2CO₂

From the balanced equation above,

2 L of CO requires 1 L of O₂

From the balanced equation above,

2 L of CO requires 1 L of O₂

Therefore,

3.86 L of CO will require = 3.86 / 2 = 1.93 L of O₂

Thus, 1.93 L of O₂ is needed for the reaction

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The number of moles of NH₃ that are necessary to produce 0.824 mol N₂ is 0.6592 mol.

The mole is a SI unit of measurement that is used to calculate the quantity of any substance. Mass is defined as the product of the compound's molar mass and the moles of the substance.

Many compounds have a molar mass that may be estimated by dividing the compound's mass by the number of moles. A physical body's mass is the amount of matter it contains. Ammonia is a gas and nitrogen is also a gas.

4 mol NH₃ → 5 mol N₂

x mol NH₃ → 0.824 mol N₂

x = 0.824 x 4/5 = 0.6592 mol

Therefore, the number of moles of NH₃ that are necessary to produce 0.824 mol N₂ is 0.6592 mol.

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An oxygen atom can accommodate 2 more electrons in its valence shell by forming two single bonds or one double bond to satisfy the octet rule.

The question concerning the number of additional electrons that can fit within the valence shell of an oxygen atom relates to its electron configuration and bonding capabilities. An oxygen atom typically has 6 electrons in its valence shell. To satisfy the octet rule, an oxygen atom requires 2 more electrons to complete its outermost shell. Oxygen achieves this by forming two single bonds with other atoms or one double bond, sharing electrons to fill the valence shell and reach a stable configuration with 8 electrons.

Oxygen, being in group 6 of the periodic table, has a valence electron count of 6 (electronic configuration: 2s²2p⁴). This means that the atom has two electrons that can pair up with electrons from other atoms, giving oxygen a valency of 2. By forming bonds, oxygen can have a filled valence shell with a total of 8 electrons, achieving the stable octet configuration.

Answer:

Reactants or Products?

The answer is reactants.

Reactants Definition- A reactant is the chemical substances present at the start of a chemical reaction.

A products definition is the substance produced in a chemical reaction.

The answer is reactants because they start at the beginning of a chemical reaction, and have to interact with other substances to make a product. product is not able to interact with new substances, nor make new substances. Therefore, in a chemical reaction, if you want the substances to interact, and form new substances, it has to be a reactant.

A way to remember this is think of it as if  you are a reactant and you are interacting to form new substances.

The definition of molarity is:

Molarity = moles of solute / total volume of solution in Liters

In this case, our solute is Sulfuric Acid. To solve this problem, let us assume a basis for calculation.

Let us say that,

Total mass of solution = 100 g

Therefore mass of H2SO4 = 20 g

The molar mass of H2SO4 = 98.079 g / mol

Calculating for number of moles of H2SO4:

number of moles = 20 g / (98.079 g / mol)

number of moles = 0.204 mol

Calculating for the volume of solution using the density:

total volume of solution = 100 g / (1.105 g / mL)

total volume of solution = 90.50 mL = 0.0905 L

Therefore the molarity is:

Molarity = 0.204 mol / 0.0905 L

Molarity = 2.2542 mol / L

Molarity = 2.25 M