Ar. tank contains h. initially at 100 kn/m2 and 20°c. 1 1/2 kg of h added so that t2 and p of the tank is 30°c and 250 kpa, det. the volume of the tank(m3) and the final mass of the hydrogen inside the tank (kg)

How much energy is made when a pice of wood burns. how do you know

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?