Which of the following is a measure of velocity?

30 seconds

30 South

30 meters/second

30 meters/second, South

One nickel weighs 5 g. how many nickels are in 1 kg of nickels?

Which statement describes one acid-base theory? (1) An acid is an H + acceptor, and a base is an H + donor. (2) An acid is an H + donor,. and a base is an H + acceptor. (3) An acid is an H - acceptor, and a base is an H-donor.

An electric bell is kept under a bell jar in which a vacuum has been created. Slowly air is introduced in to the jar. What will happen to the sound of the electric bell?

How are oxidation number element and electrons related?

Properties of a diamond

The line of longitude used as the origin in a system of coordinates

In the ground state, has only 1 electron in a p orbital. A. carbon B. fluorine C. hydrogen D. nitrogen E. aluminum

Which of the following is a mixture? alcohol water mercury ink

A gas occupies 3.5 L at standard pressure. Find the volume of the gas when the pressure is 1.5 atm.

What is the temperature (in K) of 16.45 moles of methane gas in a 4.95 L container at 4.68 atm?