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?

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.

In as 1°, 2°, 3°, or 4°. be to . : °b: °c: °d: ° : °b: °c: °d: ° : °b: °c: °d: °e: °f: °g: °h: ° : °b: °c: °d: °e: °f: °g: °h: °i: °