What is the mass of hydrogen in terms of amu?

Which of the given reactions are counted as balanced reactions?

Who proposed that equal volumes of all gases at the same temperature & given pressure should contain an equal numbe…

The observation of ______ properties needs a chemical change to occur.

What did Dalton propose?

A piece of iron is 5 inches long. How much would it be in centimeters?

Compounds cannot be separated by chemical methods.

Which of the following is not true regarding balanced chemical equations?