6gram of an element X combine with 16gram of elementY to give 0.5 mole ofcompund xy calcute molecular mass of xy

Is this a single replacement reaction or there is no

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.

How does nathan’s hypothesis lead to new investigations