Under which of the following sets of conditions will a 0.50 mole sample of helium occupy a volume 11.2 liters?

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

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 element would mostly likely have an electron affinity measuring closest to zero