Give the correct chemical formulas for the following: a) Ammonia NH_3 b) oxalic

Question

Give the correct chemical formulas for the following: a) Ammonia NH_3 b) oxalic acid C_2H_2O_4 c) phosphorous pentachloride PCl_5 Determine the correct chemical names of the following species: a) LiNO_3 Lithium nitrate b) Nal sodium iodide c) SiO_3 silicon trioxide Consider the following reaction at equilibrium: H_2(g) + I_2(s) 2HI(g) Delta H = + 52 kJ/mol Describe the shift in the reaction according to lessthanorequalto Chatelier if the reaction vessel was heated. What visual observations would you anticipate to support your answer? The reaction would shift from the reactants to products away from the heat when heated up. The color would go from purple to colorless. Checklist of Items to Submit Hard copy of lab report printed, academic integrity code signed stapled and ready to hand in before the start of pre-lab (if required by your instructor)

Explanation / Answer

All the answers written are correct and for 3rd one the answer in bold letters is correct.

It can be explained as

in reaction right side it is given H = +52 KJ/mol

positive sign of H shows the heat is being absorbed and it is an endothermic reaction
so the more heat you provide the more it will absorb and form product.

it is exactly opposite of exothermic reaction where heat is released and H is negative
so if you add heat to the system which is already throwing out heat will suppress the product formation.

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