how much energy is required to heat an iron nail with a mass of 25.5 grams from 65° until it becomes red hot at 720 degrees Celsius

If Jacob hands out 3 pieces of candy on Halloween, how many kids will return candy if there I 340 kids

True or false? For most of human history people burned wood for light heat and energy

Name 2 things besides sand that are not soluble in water

What makes an acid or base strong?

Which two subatomic particles are located within the nucleus of an atom? ... A. protons and neutrons ... B. protons and electrons ... C. electrons and neutrons.

How much ice at a temperature of - 17.5 ∘C must be dropped into the water so that the final temperature of the system will be 31.0 ∘C?

Why does a gas fill completely the vessel in which it is kept?

Individuals who work full time and those who work part-time enjoy basically the same number of paid leave benefits. True False

There is a large increase in ionization energy between the second and the third ionization energies of a metal. What kind of ion is the metal likely to form? Include the charge in your answer.

Which of the following are true statements about equilibrium systems? For the following reaction at equilibrium: CaCO3 (s) ⇌ CaO (s) + CO2 (g) adding more CaCO3 will shift the equilibrium to the right.