For each problem below, please refer to the following diagram. Calculate the missing values a. The painter weighs 300 newton, the helper weighs 150 newton, the board weighs 600 newtons.. The tension in rope A is 350 newtons. What is the tension in rope A?

b. The tension in rope A is Newtons, the helper weighs 100 newton, the board weighs 1500 newtons.. The tension in rope A is 1050 newtons. What is the weight of the painter?

answer; talc and gypsum;

a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.