Agolf ball is resting on the grass what must happen to cause the ball to move?

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Which description best characterization the motion of particles in a solid

Achemist reacted 57.50 grams of sodium metal with an excess amount of chlorine gas. the chemical reaction that occurred is shown. na + cl2 → nacl if the percentage yield of the reaction is 86%, what is the actual yield? show your work, including the use of stoichiometric calculations and conversion factors.