A system uses 49 J of energy to do work, and the change in internal energy is 58 J. How much heat was added to the system?

9 J

97 J

107 J

117 J

A solution of hydrochloric acid contains Select one: a. fewer hydronium ions than chloride ions b. fewer hydroxide ions than hydronium ions c. more hydronium ions than chloride ions d. more hydroxide ions than hydronium ions

How many km/hr is 30 m/s?

Where does acid rain occur?

According to its periodic table entry, how many electrons does nitrogen have in its valence level?

The kinetic energy of an object is equal to one half its mass multiplied by its speed

Why are coastal zones productive?

Why aren't there any plate boundaries in Maryland?

Farmers need to make many decisions about how they grow their crops. One of these decisions is whether to use synthetic fertilizer or organic fertilizer, such as manure.

If you walk toward a Van der Graaff generator, the effect of its electric field would get weaker as you got closer to it, true or false.

The volume of a single nickel atom is 8.10*10-24 cm3. what is the volume of a nickel atom in microliters?