Is C6H1206 an element or compound

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?