Determine the amount of atoms in 5.40g B

When compared to sulfur-32, sulfur-34 has more - ?

Whose work did Niel Bhor build upon?

Why is rapid cooling needed to form glass? I'm asking about glass that needs to be cooled rapidly, like tempered glass.

What is the mass of 1.50 mol C5H12

Blueberry muffins are what type of matter?

If some of the salt remains adhered to the weighing paper (and therefore is not transferred to the calorimeter), will the enthalpy of solution for the salt be reported too high or too low?

In one process, 5.95 kg of caf2 is treated with an excess of h2so4 and yields 2.45 kg of hf. calculate the percent yield of hf.

What are 3 ways to increase the solubility of a solid substance in a solid?

How many moles of CuSO4 are used to make 250 ml of a 0.50 M CuSO4 solution?

The decay constant of plutonium-239, a waste product from nuclear reactors, is 2.88*10-5year-1. part a what is the half-life of 239pu?