A flask contains 0.220 mol of liquid bromine, br2. determine the number of bromine molecules present in the flask. express your answer numerically in molecules.

What element/compounds are used in the melting of ice?

How many miles are in one light year?

Which choice describes a population? A. all the organisms that interact in a lake B. all the gray squirrels that live in a forest C. an area characterized by a group of plants and animals D. a nonliving factor in an organism's environment

According to The Evolution of Useful Things, what caused the popularity of Post-it notes? a prior need for them their varied styles widespread availability their varied uses

Leonard designed a parallel circuit to light two light bulbs. But his circuit doesn't work. Which two items in the circuit must be addressed for the lightbulbs to light as planned

How does the motion of particles in the sun's plasma compare to the motion of particles in a solid? particles in both the plasma and a solid move around to fill available space.

What is the molarity of a solution containing 45.78gMgCl2 dissolved in 3.00L of solution?

What kind of wavelength do television signals have? a. Short c. Long b. Intermediate d. Very rapid

What gene is responsible for tumor suppression? A. beta - galactoside B. p53 C. alpha goblin D. beta goblin

How does ur body maintain constant tempature on a hot day?