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3 years ago

Fill in the coefficients that will balance the following reaction: a0NH4Cl + a1Ag3PO4 → a2AgCl + a3(NH4)3PO4

Chemistry

2 answers:

kodGreya [7K]3 years ago

6 0

Answer:

a₀ - 3

a₁ - 1

a₂- 3

a₃ -

Explanation:

sergiy2304 [10]3 years ago

5 0

<h3>Answer:</h3>

a₀ - 3

a₁ - 1

a₂- 3

a₃ - 1

<h3>Explanation:</h3>

The balanced chemical equation for the reaction will be;

3NH₄Cl + Ag₃PO₄ → 3AgCl + (NH4)₃PO₄

Balancing of chemical equations is a try and error method that involves putting coefficients on reactants and products.
It ensures that the number of atoms of each element is equal on both sides of the equation.
Therefore, a balanced equation will obey the law of conservation of mass in chemical equations, since the mass of the reactants and that of products will be equal.
The above equation is balanced as the number of atoms of each element are equal on both sides of the equation.
That is, 3 nitrogen atoms, 12 hydrogen atoms, 3 chlorine atoms, 3 silver atoms, 1 phosphorus atom and 4 oxygen atoms on both side of the equation.

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When a 0.245-g sample of benzoic acid is combusted in a bomb calorimeter, the temperature rises 1.643 ∘C . When a 0.260-g sample

sveticcg [70]

Answer:

The heat of combustion per moles of caffeine is 4220 kJ/mol

Explanation:

Step 1: Data given

⇒ When benzoic acid sample of 0.245 grams is burned the temperature rise is 1.643 °C

⇒ When 0.260 gram of caffeine is burned, the temperature rise is 1.436 °C

⇒ Heat of combustion of benzoic acid = 26.38 kJ/g

<u>Step 2:</u> Calculate the heat released: for combustion of benzoic acid

0.245 g benzoic acid * 26.38 kJ/g = 6.4631 kJ

<u>Step 3</u>: Calculate the heat capacity of the calorimeter:

c = Q/ΔT

Q = 6.4631 kJ / 1.643°C = 3.934 kJ/ °C

<u>Step 4:</u> Calculate moles of a 0.260 g sample of caffeine:

Moles caffeine = Mass caffeine / Molar mass caffeine

0.260 grams/ 194.19 g/mol = 0.0013389 moles

Step 5: Calculate heat released: for combustion of caffeine

Q = c * ΔT

Q = 3.934 kJ/°C * 1.436 °C = 5.65 kJ

Step 6: Calculate the heat of combustion per mole of caffeine

5.65 kJ / 0.0013389 moles = 4219.9 kJ/mol ≈ 4220 kJ/mol

The heat of combustion per moles of caffeine is 4220 kJ/mol

4 0

4 years ago

A neutral atom with the electron configuration 2-8-6 would most likely form a bond with an atom having the configuration

Fittoniya [83]

Answer:

The configuration of the atom would be 2-8-2.

Explanation:

Any atom of an element combines with other element to complete its octet and become stable.

The electron configuration of the given atom is 2-8-6. That means the atom has 6 electrons in its outermost shell. To become stable the atom should have 8 electrons in its outermost shell. The given atom has 6 electrons so it either lose 6 electrons or gain 2 electrons to complete its octet.

But we know the atom having 5,6,7 electrons in its outermost shell they do not lose, they gain either 3 or 2 or 1 electrons to complete its octet.

So we say that atom with the electron configuration 2-8-6 bond with the atom having electron configuration 2-8-2.

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avanturin [10]

Answer:

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Explanation:

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3 years ago

Outline two methods used by designers to assemble packages

Lostsunrise [7]

Answer:

Product packaging design refers to the production of a product's exterior. Develop an organization. All these specifics allow one to consider what the sealed substance is about how to use it, who can use it, and maybe, What do you sell? For your product, there are several different packaging forms available.

Explanation:

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3 years ago

the atomic number tells you the number of _______ in one atom of an element. It also tells you the number of ______ in a neutral

uysha [10]

Answer:

Protons, electrons, same in that order is the answer.

Explanation:

this has to do with the periodic table information.

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3 years ago