Group 8A of the periodic table contains the A. most reactive nonmetals. B. least reactive nonmetals. C. most reactive metals. D. least reactive metals.

What is the absolute magnitude of the rate of change for [NH3) if the rate of change for [H] is 2.00 M/s in the reaction 2 NH3 (g) - N2 (g) + 3 H2 (g) ?

The molecular mass of methyl ethanoate is 75.1 amu. calculate the molecular mass of propanoic acid, an isomer of methyl ethanoate. express your answer with the appropriate units.

The reaction 4Fe + 3O2 >> 2Fe2O3 is an example of what?

What layer of the atmosphere contains almost 80% of the atmosphere total mass

Assuming each solution to be 0.10 M, rank the following aqueous solutions in order of decreasing pH. Rank the solutions from the highest to lowest pH. To rank items as equivalent, overlap them N2H2 Ba (OH) 2 HOCL NAOH HCL

What will happen if an electric current is flowing through a cord and a magnet is brought near the cord?

Lithium has two isotopes. Li-6 and Li-7. Li-6 mass = 6.015121amu Li-7 mass = 7.016003amu Lithium Mass = 6.94049amu What is percent abundance of Li-6? I know that there is an equation: 6.

Why does an apple fall toward the earth, instead of the earth moving toward the apple?

If the moles and temperature of a gas are held constant, the pressure of a gas doubles when: Volume is halved Volume is quadrupled Volume is doubled Volume is also held constant

The life function of transport in an organism directly involves those activities used to 1. absorb and distribute materials 2. obtain and hydrolyze materials 3. release energy from food 4. produce cellular waste product