Which action best demonstrates the transformation of mechanical energy to heat energy to light energy?

A) Striking a matchstick

B) Squeezing a sponge ball

C) Rubbing hands together vigorously

D) Releasing a stretched spring

If an aqueous solution is very dilute, will its molality be greater than its molarity, nearly the same as its molarity, or smaller than its molarity?

Why do the masses of each element have a decimal if particles each way 1 amu?

The function of the cilia and flagella are: to obtain food for defense to run to swim

118g of o2 gas is held at STP what is the volume of gas

Question 19 of 26 > Aqueous solutions of calcium chloride and sodium hydroxide are mixed together, forming solid calcium hydroxide and aqueous sodium chloride. Write the balanced chemical equation for the reaction. Phases are optional. equation:

When making broccoli cream soup, the broccoli and aromatics should be A. sweated. B. puréed. C. simmered. D. burned.

Plants absorb light energy and store that energy in the form of what? A water B carbon dioxide C sugar D oxygen

If 21/825g hydrogen sulfate ion in 5litr water solotion, what the percentage of its ionization?

A redox reaction will occur at 298 K when zinc metal is placed in a solution that is 0.5M Fe (NO3) 3. Is this true or False.

Sodium chloride is stirred into water to form a solution. in this case, what are sodium chloride and the water?