According to the periodic table, lithium and nitrogen have the same number of

a. protons.

b. electrons.

c. electron energy levels.

d. protons plus neutrons.

For the gas phase decomposition of nitrosyl chloride at 400 K, the rate of the reaction is determined by measuring the appearance of Cl2. 2 NOCl = 2 NO + Cl2 At the beginning of the reaction, the concentration of Cl2 is 0 M. After 1.

Explain the different principles that allow roller coasters to rip and roar around the tracks. In your response, include how energy is transferred back and forth between kinetic and potential.

if you weigh the lauric acid to the nearest 0.1g and you weigh the unknown solid to the nearest 0.0001g, can you calculate a molar mass of your unknown solid to three significant figures? Show clearly your reasoning.

As refrigerant passes through the expansion valve, it cools down or heats up?

The tendency of an element to react is closely related to

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.