What is enthalpy a measure of?

A. The heat content of a system.

B. The kinetic energy of a system.

C. The number of moles of a reactant in a system.

D. The disorder of a system.

Which factor distinguishes a metallic bond from an ionic?

A car traveling at 20 m/s starts to decelerate steadily it comes to a complete stop in 10s. what is its acceleration

Which choice represents the correct product for the beta decay of the Co-60?

What type of reaction provide energy within a red giant star? and how come?

Which of the following places the elements in the correct order of increasing first ionization energy? F, O, N Si, P, S Be, Mg, Ca Li, Na, K

How does an atom with too few neutrons relative to protons undergo radioactive decay? * by converting proton to a neutron by converting a neutron to a proton by emitting an alpha particle

What is the chemical formula for the compound formed between sodium and iodine?

8. Write a balanced chemical equation showing how you could prepare each of the following salts from an acid-base reaction: KNO3, NaBr, and Cas.

Is calcium carbonate a compound element or mixture?

Why do covalent bonds not involve the transfer of electrons