Calculate the pressure (in kPa) of 1.5 mole of helium gas at 354 K when it occupies a volume of 16.5L.

Which produce would best increase the amount of heat energy that is actually gained by calorimeter b

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Which statement best explains the relationship between an area is geography and the temperature of its surface water