How much heat be absorbed or released on freezing methanol
The enthalpy of fusion of methanol (CH3OH) is 3.16 kJ/mol. How much heat would be absorbed or released upon freezing 25.6 grams of methanol?
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Acetylene (C2H2) will burn in the presence of oxygen. How many grams of water can be produced by the reaction of 2.40 mol C2H2 with 7.4 mol O2?
How many liters of NO(g) are produced when 0.85L of 2.00M HNO3 solution is added to 216 of Ag according to the equation. Which reactant is the limiting reactant?
The volume of CO2 formed is 141 mL at 27°C and 742 mmHg. What is the molarity of the HCl solution?
How many molecules of ethanol CH2H5OH (the alcohol in alcoholic beverages) are present in 145mL of ethanol? The density of ethanol is 0.789g/cm3
I recently saw an advertisement that proclaimed that half the human resources in the world were underutilized or abused. It went on to suggest that this resource was "women".
Calculate the standard reaction enthalpy for the formation of boron trifluoride, which is widely used in the chemical industry:B2O3(s) + 3CaF2(s) > 2BF3(g) + 3CaO(s).The standard enthalpy of formation for BF3 is -1137 kJ/mol, for CaO -635.09 kJ
A 0.0050 molar solution of sugar is separated from pure water by a membrane at 20C. What is the osmotic pressure?
At a certain temperature and pressure 2.8 L of N2 reacts with 4.2 L of O2. If all the N2 and O2 are consumed, what volume of N2O3, at the same temperature and pressure, will be produced.
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