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how many calories of heat must be added to raise the temperature of 40 g of water fro 25 Celsius to 50 Celsius
Predict the aqueous phase equilibrium concentration of phenanthrene at 25*C if the values for this compound are Cs = 1.1 mg/L, P^v = 1.6 x 10^-7 atm, KH = 4.0 x 10^-5 atm*m^3/mol, and logKow = 4.52.
Classify the following pair of compounds as the same compound, enantiomers, diastereomers, constitutional isomers, or not isomeric. Also, select the correct IUPAC name
How do you calculate the mass of KHC8H4O4 (molar mass=204.44 g/mol) that reacts with 15mL of NaOH solution
A student mixes 175.0 grams of water at 62.31oC in a coffee-cup calorimeter with 175.0 grams of water at 25.84oC. The final temperature of the mixture is 41.71oC.
How much heat is required to warm 225 grams of ice from negative 46.8 degrees celsius 0 degrees celsius melt the ice, warm the water from 0 degrees celsius to 100 degrees celsius.
Would you expect to recover 100% of the desired compound from an impure sample using solution recrystallization?
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 6.10 MJ of energy (in the form of heat)
What is the pH when enough 0.100 base is added to neutralize 8.00 mL of 0.100 M acid? Note: Make simplifying assumptions
Equilibrium system given: Fe3+(aq) + SCN- (aq) FeSCN2+(aq) Equilibrium system Net ionic equation? What are the net ionic equations for the following
Determine ΔHvap for a compound that has a measured vapor pressure 24.3 torr at 273 K and 135 torr at 325 K: 1. 34 kJ/mol, 2. 13 kJ/mol, 3. 24 kJ/mol, 4. 79 kJ/mol, 5. 41 kJ/mol
What is the pH of a buffer prepared by adding 0.809 mol of the weak acid HA to 0.406 mol of NaA in 2.00L of solution? The dissociation constant of is 5.66*10-7
The label claims this solution is 3.0 % (w/w); that is there are 3.0 grams of H2O2 in every 100 grams of solution. What is the molar concentration of this solution. Assume a density of 1.00 g mL
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