A 2.33x 107 g mass of aluminum at 100.0°C, is placed in a glass beaker containing 3.00 x10* g of water at 10.0°C. Assume no heat loss to the surroundings, The final
temperature of the mixture is 25°C. What is the specific head of the aluminum?

An airplane flies eastward and always accelerates at a constant rate. at one position along its path it has a velocity of 34.3 m/s, it then flies a further distance of 40100 m and afterwards its velocity is 47.5 m/s. find the airplane\'s acceleration and calculate how much time elapses while the airplane covers those 40100 m.

Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?

Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.