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snow_lady [41]
3 years ago
11

In this reaction _____. A scheme of a chemical reaction. The reactants are two molecules, one of which consists of A and B, and

the other consists of C and D. The products are two molecules, one of which consists of A and C, and the other consists of B and D. The energy of molecules AB and CD is higher than the energy of molecules AC and BD. In this reaction _____. A scheme of a chemical reaction. The reactants are two molecules, one of which consists of A and B, and the other consists of C and D. The products are two molecules, one of which consists of A and C, and the other consists of B and D. The energy of molecules AB and CD is higher than the energy of molecules AC and BD. CD is a product entropy has decreased the products have less potential energy than the reactants AC is a reactant the products have been rearranged to form reactants.
Chemistry
1 answer:
Helga [31]3 years ago
5 0

In this reaction the products have less potential energy than the reactants.

A scheme of a chemical reaction. The reactants are two molecules, one of which consists of A and B, and the other consists of C and D.

The products are two molecules, one of which consists of A and C, and the other consists of B and D.

The energy of molecules AB and CD is higher than the energy of molecules AC and BD.

In this reaction heat has been released to the environmen.

A scheme of a chemical reaction. The reactants are two molecules, one of which consists of A and B, and the other consists of C and D.

The products are two molecules, one of which consists of A and C, and the other consists of B and D.

The energy of molecules AB and CD is higher than the energy of molecules AC and BD. CD is a product entropy has decreased the products have less potential energy than the reactants AC is a reactant the products have been rearranged to form reactants.

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What is aqueous solution give few examples​
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Explanation:

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A particular refrigerator cools by evaporating liquefied dichlorodifluoromethane, CCl2F2. How many kilograms of this liquid must
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1.33 kilograms of this liquid must be evaporated to freeze a tray of water at 0°C to ice at 0°C.

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Moles of water =\frac{571 g}{18 g/mol}=31.7 mol

Heat of fusion of ice = 6.02 kJ/mol

Heat lost when 1 mole of water freeze's = -6.02kJ/mol

Heat lost when 31.7 moles of water freeze's: Q

Q=-6.02 kJ/mol\times 31.7 mol=-191. kJ

Heat required to evaporate x amount of liquefied dichlorodifluoromethane: Q'

Q'= -(Q) = 191. kJ

Moles of liquefied dichlorodifluoromethane =\frac{x}{121 g/mol}

Heat of vaporization of dichlorodifluoromethane = 17.4 kJ/mol

Q'=17.4 kJ/mol\times \frac{x}{121 g/mol}

191. kJ=17.4 kJ/mol\times \frac{x}{121 g/mol}

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1 g = 0.001 kg

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