What happens to the reaction c2h6 + 137 kj c2h4+h2 when the temperature of the reaction is increased?

1 answer:

4 0

Answer is: at higher temperatures reaction will go to the right (forward), more products (C₂H₄ and H₂) will be produce, because this is endothermic reaction (ΔH is positive, energy is consumed) and according Le Chatelier's principle heat is included as a reactant. .

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Which phrase best describes soil?

krek1111 [17]

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In the reaction 4 Sb + 3 O2 --> Sb406, how many moles of antimony are

kicyunya [14]

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1.667 moles of antimony will be produced

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How do you do this problem?

xeze [42]

Answer:

Ag₂CrO₄(s) + H⁺(aq) ⟶ 2Ag⁺(aq) + HCrO₄⁻(aq)

Explanation:

Ag₂CrO₄(s) ⇌ 2Ag⁺(aq) + CrO₄²⁻(aq).

Silver chromate is the salt of a strong base (AgOH) and a weak acid (H₂CrO₄).

HCrO₄⁻ is an even weaker acid than H₂CrO₄, so CrO₄²⁻ is a strong base.

Any added H⁺ will immediately combine with the chromate ions according to the reaction

H⁺ + CrO₄²⁻ ⟶ HCrO₄⁻

thereby removing chromate ions from solution.

According to Le Châtelier's Principle, more silver chromate will dissolve to replace the chromate ions that the H⁺ removes.

The overall equation for the reaction is

Ag₂CrO₄(s) ⇌ 2Ag⁺(aq) + CrO₄²⁻(aq)

H⁺(aq) + CrO₄²⁻(aq) ⟶ HCrO₄⁻(aq)

Ag₂CrO₄(s) + H⁺(aq) ⟶ 2Ag⁺(aq) + HCrO₄⁻(aq)

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Many food chains together create a______

Amanda [17]

Many food chains together create a food web.

hope this helps,, have a nice day :))

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3 years ago

How many moles does 21. 7 L of gas at STP represent?

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Answer:

.96875 moles

Explanation:

22.4 liters per mole at STP for a gas

21.7 / 22.4 = .96875 moles

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2 years ago