Which of the following is not an example of a molecule.

A) Mn

B) O3

C) H2S

D) KOH

Is a leaf a solid, liquid or gas?

Why the partial charge on H in HF is more positive than the partial charge on H in HBr

A cup can hold 50 ml of water and has a mass of 25g. If each penny weighs 2g, how many pennies can it hold before it sinks in fresh water? Explain how you got your answer.

In baking biscuits and other quick breads, the baking powder reacts to release carbon dioxide bubbles. The carbon dioxide bubbles cause the dough to rise. is this chemical or physical

Which of these would be most easily separated using a centrifuge?

Are needed to digest food in the stomach

What is the volume of 2.1 moles of chlorine gas at STP?

If one starts with pure NO2 (g) at a pressure of 0.500 atm, the total pressure inside the reaction vessel when 2 NO2 (g) ⇌ 2 NO (g) + O2 (g) reaches equilibrium is 0.674 atm. Calculate the equilibrium partial pressure of NO2.

Mrs. Jones is pushing her daughter in a stroller. If the stroller has a mass of 5 kg and it is accelerating at 2 m/s2, what amount of force is Mrs. Jones applying to the stroller? N (free response)

Which kelvin temperature is equal to - 73 Celsius