Oxygen has an atomic number of 8 and a mass number of 16. thus, what is the atomic mass of an oxygen atom?

Which unit can be used to express the concentration of a solution

What process is represent when water enters cracks in rock, freezes and becomes ice

A patient has an order for a drip at 7mg of medicine per hr the iv drip is provided from the pharmacy as 1000mg in 500ml of dextrose 5% in water. Calculate the flow rate of the pump in ml per hour.

Is reactivity with acid a physical or chemical property of matter

Which definition describes a half-life

How will increasing the pressure on the system affect this equilibrium reaction? 2H2 (g) + O2 (g) - > 2H2O (g)

What are small round structures in the cell that breaks down large food particles into smaller ones

A balloon has a volume of 2.5 L and contains 0.100 moles of Helium. Another balloon has a volume of 5.0 L. They are at the same temperature and pressure. How many moles of gas does the second balloon contain?

Why is it important to that the solid be dry before the final mass measurement?

What is 0.00055030 in Scientific form?