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When 6.6 g solid NaOH is dissolved in 30.0 g of water in a coffee cup calorimeter, the temperature rises from 25.5 to 36.1. How much heat is produced by the dissolution process? the specific heat is 4.184.
What polypeptide would be synthesized from the following template strand of DNA:3' CGG AGA CGG ACG 5'. What is the amino acid sequence that is coded by mRNA sequence 5' AAG GCU AGU GGC 3'
A sample of h20 with a mass of 46.0 grams has a temperature of -58 degrees celcius. how many joules of energy are necessary to heat the steam from 100 degrees celsius to 114 degrees celcius.
If 10.0 mL of 0.00200 M KNCS is mixed with a very large excess of Fe(NO3)3, how many moles of FeNCS2+ product should form
Under these conditions, calculate the final concentration of glycerol-3-phosphate. Remember to convert kJ to J.
A 295mLflask contains pure helium at a pressure of 742torr . A second flask with a volume of 465mL contains pure argon at a pressure of 717torr .
A mixture contains 0.251 g Ar gas, 1.95 g of Xe gas and no other substances. The total pressure is 2.33 atm. What is the partial pressure of Ar? A. 1224 torr B. 527 torr C. 342 torr D. 228 torr E. 200 torr
If the density of ethyl alcohol is 0.789 g/ml, how many quarts can be produced by the fermentation of 100.0 lbof sugar?
A 50 mL soln. of Mg(NO3)2 is mixed with a 50 mL solution of NaOH. The resulting precipitate, Mg(OH)2, that forms is 2.97g. Determine the concentration of solution of Mg(NO3)2
A liquid that has a density of 0.80 0.01g/ml and 0.80-0.01 g/ml is insoluble in cyclohexane. what is the liquid? what is the boiling point of cyclohexane at 600 mm hg?
A proton in a linear accelerator has a de Broglie wavelength of 155 pm. what is the speed of the proton?
You need to produce a buffer solution that has a pH of 5.02. You already have a solution that contains 10 mmol (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? ..
The equilibrium constant for a reaction at 800K is 14.2. If the enthalpy of the reaction is 30 kj/mole, what would be the equilibruim constant
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