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The molar heat of fusion of water is 6.01kJ/mol. how much heat energy is required to melt one ice cube in a soft drink to form liquid water at 0 degrees Celsius if the ice cube has a mass of 18.g
Predict what product favored reaction will occur when potassium metal is dropped into liquid water. Write a balanced chemical equation for the process and explain breifly how you made your predicition.
Given the DNA template strand 3'GCATTCAAG5' write the amino acid sequence in the N terminal to the C terminal direction. Use the three letter amino acid abbreviations.
what is the functionpurpose of the bromthymol blue in the co2
Calculate the pre-equilibrium concentration of Fe3+(aq) in a solution made by mixing 2.8 mL of 2.010?3 M Fe(NO3)3 and 7.2 mL of 2.010?3 M NaSCN. Assume the final volume is 10.0 mL.
This method assumes that no argon was trapped in the rock when it was formed frothe molten material. A meteorite was found to have equal amounts of 40K and 40Ar. a) Of the potassium-40 that was originally present, what fraction has decayed? b) how..
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5.
Express the concentration of a 0.0480 M aqueous solution of fluoride, F-, in mass percentage and in parts per million. Assume the density of the solution is 1.00 g/mL.
What is the boiling point and freezing point of a 3.12 m solution of naphthalene in benzene. the boiling point and freezing point of benzene are 80.1 degree C and 5.5 degree C respectively: Kb = 2.53 degree C/m; Kf = 5.12 degree C/m
What are all the monochloro derivatives of 2,5-dimethylhexane, C8H17Cl? And/or how do you find them
Does beta-D-fructose in its cyclic form have the same number of chiral carbons as beta-D-glucose?
Consider the combustion reaction between 30.0mL of liquid methanol ( density = 0.850 g/mL) and 15.0L of oxygen gas measured at STP. The products of the reaction are CO2 and H2O
A sample of gas occupies a volume of 115mL at a pressure of 720. mmHg. Calculate its volume at STP.
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