If a sample of copper is 3.3g, how many moles of copper atoms is there in the sample?

According to avogadro's law, what is characteristic of 1 mole of gas at stp?

In standardization of NaOH solution, a student found that 25.55cm3 of base neutralized exactly 21.35cm3 of 0.12M HCl. Find the molarity of the NaOH.

A skeleton chemical equation includes which of the following

Which of the following crystals would be most brittle and hard? Ag ZnS F2 C12H22O11

6. Mitosis starts and ends with diploid cells. That means they have two sets of chromosomes (both parents each contribute a set). In humans, how many chromosomes should be in each of these diploid cells after mitosis

Which is the best describes electrons

What does an aluminum atom become when it loses its three valence electrons? a?

Janais lives near the ocean. How do earth, the sun, and the moon interact to affect Janais's life?

Which observation illustrates the law of conservation of mass? The C:O mass ratio of a particular compound is the same, regardless of the size or source of the sample. When 3 g of carbon reacts with 8 g of oxygen, 11 g of carbon dioxide is produced.

Which beat describes heat