After an electric sign is turned on the temperature of its glass goes from 23.5°C to 65.5°C. The sign's glass has a mass of 90 grams and the specific heat capacity of the glass is 0.67 joules/gram degree Celsius. How much heat did the glass absorb?

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy

In an effort to address concerns about global warming, a power plant in portland,oregon is designed to take all of its exhaust gases from its boilers and recycle the co2 using the solvay process to make sodium hydrogen carbonate. the reaction is shown below. nh3(g) + h2o(l) + co2(g) + nacl(aq) → nahco3(aq) + nh4cl(aq) how many liters each of nh3 and co2 (both at stp) would be consumed to produce 3.00 kg of sodium bicarbonate? the volume of both nh3 and co2 would be

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients