For questions # 25 and 26 refer to the following chemical reaction: N_2 (g) + H_

Question

For questions # 25 and 26 refer to the following chemical reaction: N_2 (g) + H_2(g) = NH_3(l) + 92 kJ Is the reaction above exothermic or endothermic? Endothermic Exothermic Balance the chemical reaction above by (electing which of the following choices are correct (the coefficients in the answer choices are written in order of the reactants and products as shown in the reaction above): The chemical reaction is balanced as written 1, 1, 1 1, 3, 2 3, 1, 2 2, 2, 3 Ammonia (NH_3) is a (an): Acid Base Amphoteric substance The Haber-Bosch reaction produces: Water Nitrogen Carbon dioxide Ammonia Hydrogen Liquid Nitrogen (LN_2) helps to substances. Lower the temperature of substances increase the temperature of substances Maintain the temperature of substances

Explanation / Answer

For the given reaction with a +ve dH value,

25) The reaction is,

a) Endothermic

26) Balanced equation coefficients.

c) 1,3,2

27) Ammonia is,

b) Base

28) Haber-Bosch process produces,

d) ammonia

29) Liquid N2,

a) lower the temperature of the substances

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