How many moles of nitrogen are in 66.0 g of nitrous oxide?

If I add 75 ml of water to 125 ml of a. 15 M NaOH solution, what will the molarity of the diluted solution be

Which process is suitable for obtaining the water from an aqueous solution of sugar?

What is air made up of

What is the number of molecules in 500cm? of oxygen under room conditions? 22 a. 1.25 x 10 22 b. 1.34 x 10 c. 3.0 x 10 22 d. 3.0 x 10 26 Answer:

The quantity of heat, in joules or calories, required to raise the temperature of 1 gram of a substance 1°C.

What subatomic particles do the following symbols represent in the atomic diagrams

2. You have 2 m3 of a mineral ore sample. It has a mass of 1 * 104 kg. Calculate the density of the ore sample and express your results in g/cm3 with appropriate scientific notation.

A sample of hydrogen was collected by water displacement at 23.0°C and an atmospheric pressure of 735 mmHg. Its volume is 568 mL.

What is loamy soil?

What is the lowest possible value of n for a d atomic orbital?