How many mole ratios can be correctly obtained from the chemical equation 2NO ® N2 + O2? Select one:

a. 1

b. 4

c. 6

d. 3

You have 500 mL of 5 M HCI already made. You need to dilute the solution to 1 M HCI. How much water will you need to add? a 2500 ml 062.01 CC 2.51 d 2.5 ml

Which pair of elements can be used to determine the age of a fossil that is over one billion years old?

What is the mass, in grams, of a sample of 6.12 * 10^24 atoms of manganese (Mn) ? Show your work or explain the steps that you used to determine your answer.

When Br2 and H2O react with an alkene to generate a bromohydrin, which stereochemical course does the mechanism take? a. Anti addition to give the trans product. b. Syn addition to give the cis product. c. Anti addition to give the cis product. d.

Explain why the atmosphere is classified as a mixture

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?