A substance with a mass of 50 g has a specific heat of 1.23 J/(g.°C) and a change in temperature of 15°C. Calculate the amount of energy, in joules, released.
1. List the "GIVEN" variables and identify the "FIND." 2. Convert variables, if needed.
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According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles

What is the mass of 0.750 mole of aluminum oxide, al2o3?