Which of the following is responsible for the exchange of gases in a leaf? the phloem the spongy mesophyll the stomata

Which of the following is NOT true or an atom? A. They are composed of molecules. B. They combine to form compounds. C. They make up element. D They are extremely small.

Which animal product is least efficient at converting feed consumed into the final product?

How many moles of aluminum hydroxide would be produced from 4.6 miles of calcium hydroxide

What is kinetic energy? a. The energy of change b. The energy of distance or volume c. The energy of motion d. The energy of position or composition

Is whipping eggs a chemical change or a physical change

O2 + CS2 → CO2 + SO2 Which of the following shows the equation balanced?

Convert 970. mm Hg to atm.

The addition of a catalyst in a chemical reaction (A) increases the concentration of products at equilibrium. (B) increases the fraction of reactant molecules with a given kinetic energy.

Is fire hot or cold?

In Flask A, you reacted 7.23 g Mg with 1.05 mol HCl. In Flask B, you reacted 1.22 g Mg with 1.35 mol HCl. Which balloon will inflate the most?