Which of the following are examples of chemical energy being released or stored? (2 points) A boy eating an orange to survive
A car burning gasoline to move
The sun heating a rock

Select two answers

The compound methyl butanoate smells like apples. its percent composition is 58.8% c, 9.9% h, and 31.4% o. what’s the empirical formula ?

Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.