Ethanol which has a specific heat of 2.44 (J/gxC) the heat that is absorbed requires 45515 Joules of energy to increases from 25C to 78.8C how much ethanol was used in grams

State the formula for density in words and mathematical symbols

Calculate the number of molecules present in 0.750 mol of mgo.

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8