Which has a slightly greater mass in a nuclear reaction, the reactants or the products? why?

Calculate the mass (in kg) of an iron block (density = 7.87 g/cm3) with dimensions 5.28 cm x 1.24 ft x 4.95 in.

Which two particles re most similar in mass?

Match the symbols with the element name. 1 Ag zinc 2. Pb silver 3. o chlorine ο nitrogen oxygen ο lead Ο carbon 7. Ar argon 8. Zn

Above what fe2 concentration will fe (oh) 2 precipitate from a buffer solution that has a ph of 8.59? the ksp of fe (oh) 2 is 4.87*10-17.

When 8.0 moles of methanol are reacted with 9.0 moles of oxygen, how many moles of water vapor does the reaction produce?

The molar mass of NH3 is 17.03 g/mol. The molar mass of H2 is 2.0158 g/mol. In a particular reaction, 0.575 g of NH3 forms. What is the mass, in grams, of H2 that must have reacted, to the correct number of significant figures?

Which is more electronegative: nitrogen, phosphorus, carbon, or silicon?

Which two elements are the most abundant in the Earth's crust?

How do convection currents inside earths mantle affect the movement of the plates that makeup earth crust?

A neutron has approximately the same mass as