Salt water is classified as

What is the difference between a subscript and a coefficient in a chemical reaction?

Try using Zn (solid) with Cu (NO3) 2 in one cell and Cu (s) with Zn (NO3) 2 solution in another cell. Note down the voltage value. Explain what you are seeing for voltage value and use redox reaction to justify the process.

Which may be used to prepare a buffer having a ph of 8.8? ka = 7 * 10-3 for h3po4; 8 * 10-8 for h2po4-; 5 * 10-13 for hpo42-?

The molar mass of iron (Fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?

What feature do atoms in a noble gas and atoms in a molecule have in common?

Classify the properties based on whether they describe metals or nonmetals. They are good conductors of heat and electricity. They are brittle and break into sharp pieces. They are flexible and can be made into wires.

A gas occupies a 1.5 L container at 25 degrees Celsius and 2.0 atm. If the gas is transferred to a 3.0 L container at the same temperature, what will be its new pressure? a) 3.0 atm b) 2.0 atm c) 1.0 atm d) 4.0 atm

The maximum amount of n2h4 (hydrazine) that can be prepared from 14 grams of nitrogen and 28 grams of hydrogen by the reaction n2 + 2 h2 = n2h4 is?

The molecules of a substance are moving rapidly in a container. The molecules do not interact with each other. If the container is opened, the molecules will escape from the container.

Why is fluorine a gas?