What do the colors produced by fireworks indicate? a. a physical change c. a state change b. a chemical change d. an element change

What are two ways condensation differs from boiling?

3/4 / 100 as a decimal and a percentage?

Which factor distinguished Uranus from all other planets? A. Its length of day is different than that of earth. B. Its axis of rotation is tipped on its side. C. It has poles and equators. D. It is a gas giant.

How does wataer cause weathering of a brick

The pks for the ionizable groups in the amino acid lysine are pk1 = 2.18, pk2 = 8.95, and pk3 = 10.53. what would be the net charge on lysine at ph = 7.0

A student monitored the reaction rate of a 0.600M sucrose solution, at 25 oC, and determined that the reaction is first order with respect to sucrose. If at 25.0 oC it takes 3.33-hours for the concentration of the 0.600M solution to drop to 0.300M.

How many moles of argongas contain 7.52 x 1022 Ar atoms? A) 0.125 mol) 1.25 mol C) 0.0801 mol D) ON mol E) 0.0125 mol

Esterification is what type of reaction?

What is energy efficiency, and why is increasing it important?

Which gas will diffuse at a faster rate, CH4 with a molar mass of 16 g or SO2 with a molar mass of 64 g?