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What is the heat of formation of NaOH which molarity is 2.02? If heat of formation of NaON, which molarity is M 1.00, -469.6, is heat of formation of M 2.02 NaOH = 2*469.6?
How many atoms of neon occupy a volume of 14.3 L at STP?
What is the volume percent concentration of (a) 35.0mL of water in 725mL of an ethanol-water solution,and (b) 78.9mL of acetone in 1550
What volume of 0.1M NaOH is required to fully neutralize 20 mL of 0.1M acetic acid? of 50 mL of 0.04M Phosphoric acid
If strong oxidizer spill occurs in the vicinity of barrels of flammable chemicals, with one of the barrels of flammable chemicals possible leaking as well, should water be used on the incident or how should mitigation proceed?
What is the area of the circuit element in ? Write your answer in scientific notation. Round your answer to significant digits.
Water and toluene are very good recrystallization solvents. Why is it not useful to use these solvents for a ‘quick' recrystallization?
How many peaks would you expect to find in the NMR spectrum of caffeine? What characteristic absorption bands would you expect to find in the infrared spectrum of caffeine?
Calculating Volume Needed for Level of pH, A 1.00g sample of benzoic acid (C6H5CO2H, FW = 122.12g/mol,Ka = 6.5 x 10^ -5) is dissolved in water to give a solution with a volume of 500mL.
how many grams of bromine are required to react with 37.4 grams of aluminum chloride?
What is the change in the boiling point of a solution made by dissolving 14.7 g of C6H12O6 into 150ml of water? The density of water is 1.00 g/ml and Kb=0.512 C/m .
How much heat in kilojoules is needed to bring 1.30 kg of water from 33.7 to 97.1 °C (comparable to making four cups of coffee)?
Using given data, calculate the change in Gibbs free energy for each of the following reactions. In each case indicate whether the reaction is spontaneous at 298 K
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