A sample of copper with a mass of 63.5 g contains 6.02x10^23 atoms. Calculate the mass of a single atom.

How many grams of sulfuric acid are produced when 68.1 g of lead (II) sulfate react?

Arsenic and bismuth are similar in that they both

75.0 mL of 15.0 M HNO3 was diluted to exactly 500 mL by adding water. What is the final molarity of the diluted HNO3 solution?

Your lab partner accidentally measures out too much of a substance in the lab. when the experiment is complete, you have leftover chemicals. what should you do with these leftover chemicals

What is the lightest element on the periodic table?

A 126-gram sample of titanium metal is heated from 20.0°C to 45.4°C while absorbing 1.68 kJ of heat. What is the specific heat of titanium?

What pressure (in atm) will a sample of o2 gas occupy at 100.0 ml, if o2 has a volume of 25.00 ml at 2.0 atm?

What happens when francium and nitrogen are mixed

Which type of chemical reaction occurs in 2KClO3 Right arrow. 2KCl + 3O2

An electrochemical cell is constructed using two half-cells: Al (s) in Al (NO2) 3 (aq) and Cu (s) in Cu (NO3) 2 (aq). The two half cells are connected by a KNO3 salt bridge and two copper wires from the electrodes to a voltmeter.