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part a How much heat energy, in kilojoules, is required to convert 43.0g of ice at 18.0c to water at 25.0c ? part b. How long would it take for 1.50 mol of water at 100.0c to be converted completely into steam if heat were added at a constant rate of 25.0j/s ? Specific heat of ice: 2.09g*c Specific heat of liquid water: 4.18j/g*c Enthalpy of fusion: 334j/g Enthalpy of vaporization: 2250j/g
What is the minimum volume of 7.0M HCl required to completely dissolve 14.0 grams of magnesium metal?
How many joules of energy are needed to melt 54 grams of ice at its melting point? Assume that the molar heat of fusion of ice is 6 kJ/mol.
if molarity of a 2000ml solution is 4.0M NaCl, how many moles of NaCl are dissolved in that solution.
If 125 cal of heat is applied to a 60.0 g piece of copper at 24C, what will the final temperature be? The specific heat of copper is 0.0920cal/(g x C).
An analyst is to determine the molarity of a NaOH solution. Three aliquots of standard KHP are weighed out 0.3078g, 0.4967g, and 0.3821g
What mass of sucrose should be combined with 488 of water to make a solution with an osmotic pressure of 8.25 at 280.
If 3.93 g of sodium borohydride contains 2.5 × 10e23 H atoms, how many moles of H are present in 33 cm3 of sodium borohydride (of density 1.074 g/cm3)?
If the specific heat of aluminum is 0.214 cal/g C, how much heat would it take to increase the temperature of a 100. gram block of aluminum from 25.0 C to 75.0 C?
Fischer projections, isomers, enantiomers and stereocenters, For 2,3-butanediol, there are 3 isomers; 2 are enantiomers, one is not.
Indicate the reaction conditions you would employ to accomplish the following: Conversion of tert-butyl chloride to 2-methylpropene to maximize the yield of the elimination product over the substitution product.
What is the molarity of a HCl solution that contains 6.13 g of HCl in 352 mL of solution?
a cylinder of compressed gas has a pressure of 4.882 atm on one day. the next day the same cylinder of gas has a pressure of 4.690 atm, and its temperature is 8 degrees celcius. what was the temperature on the previous day?
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