A. How many grams of potassium phosphate, K3PO4, are present in 2.50 moles of this compound? grams
b. How many moles of potassium phosphate are present in 2.82 grams of this compound?

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon