Which of the following units would be the most appropriate for measuring the mass of a grain of rice?

A.

milligrams

B.

grams

C.

kilograms

D.

centigrams

According to Bohr's model of the atom, in which orbitals do electrons have the least energy? innermost orbitals outermost orbitals middle orbitals I think the answer is innermost orbitals ... i may have just taken the test; )

Which of these describes a common difference between coastal areas of land and inland areas? A. Coastal areas have less wind. B. Coastal areas receive more rain. C. Coastal areas are warmer. D. Coastal areas have fewer storms. Reset

Contains 63.65% nitrogen and 36.35% oxygen by mass what is the empirical formula for this compound

How are electrons and positrons the same, and how are they different?

How many milliliters of 1.50 M magnesium sulfate soulution is required to supply 2.50 mole of this salt?

Calculate the percent ionization of 0.0075 m butanoic acid (ka = 1.5 x 10-5) in a solution containing 0.085 m sodium butanoate.

A gas has a volume of 5.0 L at a pressure of 50 KPa. What happens to the volume when the pressure is increased to 125?

What is the molar mass of Fe2Br3? 1.35 x 10^2 g/mole 3.27 x 10^2 g/mole 3.51 x 10^2 g/mole 8.14 x 10^2 g/mole

A gas with a volume of 5.0 L at a pressure of 215 kPa is allowed to expand to a volume of 14.0 L. What is the pressure in the container if the temperature remains constant?

Sunita carries out an experiment to investigate diffusion. She uses water and a food dye to find out how the volume of water used affects the time the dye takes to spread evenly through the water.