The amount of heat energy required to raise the temperature of a unit mass of a material one degree is

A. absolute zero.

B. a Joule.

C. its heat capacity.

D. a Btu.

When the following equation is balanced with the lowest whole number coefficients possible, what is the coefficient in front of Na? Na (s) + H2O (g) yields NaOH (aq) + H2 (g) 1 2 3 4

How many electrons are in a neutral atom of an element that has 14 protons and 15 neutrons

What atoms are found in a "carboxyl" group? choose all correct answers?

A gas occupies 475 cm^3 at 313K. Find its volume at 367K. You must show all of your work to receive credit. Be sure to identify which of the Gas Laws you will be using

Convert 0.0052 meters to millimeters. 0.52 millimeters 0.0000052 millimeters 5.2 millimeters 52 millimeters

Identify the product of radioactive decay and classify the given nuclear reactions accordingly.

Alkanes, alkenes, and alkynes are examples of A. aliphatic compounds B. aromatic compounds C. carcinogens

How many molecules of molecular oxygen react with four molecules of NH3 to form four molecules of nitrogen monoxide and six molecules of water?

Element X has an electron configuration that ends with 5p6. Which of the following describes this atom correctly? a. unstable metal b. noble gas c. alkali metal d. unstable nonmetal

If 12.1 kilograms of al2o3 (s), 60.4 kilograms of naoh (l), and 60.4 kilograms of hf (g) react completely, how many kilograms of cryolite will be produced?