Adding a catalyst to a reaction has an effect similar to

a. decreasing pressure.

b. increasing temperature.

c. adding water to a reaction.

d. lowering the concentration.

If the couple moment acting on the pipe has a magnitude of 400 n-m, determine the magnitude f of the vertical force applied to each wrench.

Gaya antarmolekul yang dapat terjadi pada h2o dan h2?

Which subatomic particle has negligible mass and travels around outside the nucleus?

A resting object exerts pressure equals to

When the heat source is removed from a liquid, convection currents in the fluid will

How many grams of the excess reactant remain assuming the reaction goes to completion and that you start with 15.5g of na2s and 12.1g cuso4?

Which elements can be found in the sun? a. hydrogen and oxygen b. helium and oxygen c. hydrogen and helium d. hydrogen and nitrogen?

A sample of hydrogen gas at 2.0 atmospheres and 273 k occupies a volume of 5.0 liters. the gas sample is completely transferred to a 10.0-liter sealed, rigid container.

To make sure that the white powder was all sodium chloride and not mixed with sodium hydrogen carbonate, would you need to add a little less or a little more hydrochloric acid to the reaction?

A 10.0 gram sample of h2o at 23.0c absorbs 209 joules of heat. what is the final temperature