12 m solution of nacl in water has a freezing point which differs from that of pure water by 0.4c. state the expected freezing difference for each of the following solutions in water: 0.06m nacl, 0.12 m nabr, ).12 m na3po4

The energy released by a chemical reaction can be measured using a calorimeter. when barium hydroxide octahydrate crystals are reacted with dry ammonium chloride inside of a coffee cup calorimeter, the temperature of the 18.00 g of water in the calorimeter decreases from 30.0°c to 8.0°c. the equation for calculating energy absorbed or released by a reaction is: where q is the energy released or absorbed, m is the mass of water in the calorimeter, cp is the specific heat of water, and δt is the observed temperature change. if the specific heat of liquid water is 4.19 j/g·°c, how much energy was absorbed by the reaction?

Which transition by an electron will release the greatest amount of energy? oa ob oc od

Which type of energy is transferred by convection currents?