Kiera, a 330 N girl, steps in water that someone spilt on the floor. The coefficient of kinetic friction between Kiera and the floor is 0.028. What is the force of kinetic
friction between Kiera and the floor?

Abaker touches a pie right after taking it out of the oven. which statement best explains why the pie feels hot?

Solve this problem using the appropriate law. (remember that ) what is the pressure of 1.9 mols of nitrogen gas in a 9.45 l tank and at a temperature of 228 k?

Using this reversible reaction, answer the questions below: n2o4 2no2 (colorless) (reddish-brown) -as the temperature increased, what happened to the n2o4 concentration? -was the formation of reactants or products favored by the addition of heat? -which reaction is exothermic? right to left or left to right? -if the change of enthalpy of this reaction when proceeding left to right is 14 kcal, which chemical equation is correct? n2o4 2no2 + 14 kcal n2o4 2no2, hr = +14 kcal n2o4 + 14 kcal 2no2 n2o4 2no2, hr = -14 kcal