A cup of cocoa is left on the counter. Which best describes how its temperature changes? a) the heat leaves the cup of cocoa b) cold enters the cup of cocoa c) the molecules in the cocoa speed up d) the temperature will not change

Give the quantum number set for one electron in the 2p sublevel of a nitrogen (N) atom.

Which substance is broken down inside muscle cells to release energy in the form of atp? a. adrenaline b. amino acid c. fatty acid d. triglyceride'?

Rust is what type of Change? Physical Change Chemical Change

Why are alkali metals stored in kerosene or mineral oil

Which of the following statements is true about the lithium and the helium atoms? A. Lithium has more protons, neutrons, and electrons. B. There is no difference between helium and lithium. C. Lithium is much smaller than helium. D.

If wave A has a frequency of 4.60 x 10^14 s-1, what is the wavelength in nanometers (show your work) ?

What is the mass in grams of 85.32 mL of blood plasma with a density of 1.03 g/mL?

The molar solubility of Ag2CO3 is 0.074M at 10°C. What is the Ksp of Ag2CO3 at the same degree?

You would know you were in the troposphere If? It were raining on you You were floating in space You were flying in a high altitude jet You were in the ozone later

A burning match is an example of a chemical change phase change nuclear change physical change