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How much energy (in kilojoules) is released when 14.0 g of steam at 129.0 C is condensed to give liquid water at 78.0C? The heat of vaporization of liquid water is 40.67 kJ/mol, and the molar heat capacity is 75.3 J/ K mol for the liquid and 33.6 J/ \K \mol for the vapor.
What mass of sucrose should be combined with 493 g of water to make a solution with an osmotic pressure of 9.00 atm at 320 K? (Assume the density of the solution to be equal to the density of the solvent.)
Which type of mutation is expressed when a DNA sequence changes from GGA TCA CCG GAA
what will be the final temperature in degrees Celsius If the volume of a gas container at 32.0°C changes from 1550 mL to 755 mL,?
NaOH solution is used to determine the amount of Mg(OH)2 in a sample of milk of magnesia, (molairty of NaOH is 1.172M). A 10.0 gram sample of milk of magnesia is required with 8.00 mL of 6.00 M HCl.
Show the mechanism for each step of the following reaction scheme- 3-methyl-1-pentene in CH2Cl2 treated with HBr, then NaOH, 1/3 mol equivalent of BH3?tHF and then H2O2/NaOH
What would the appropriate substrate concentration be? b) At what substrate concentration would you expect 30% of the enzyme molecules to have substrate bound?
how many atoms are on the surface of the particle? What fraction of the gold atoms in the particle are on the surface?
dissolved in the same volume of distilled water, how do you expect the conductivities of each solution to compare? Explain your reasoning.
At 340 K, Kp = 69 for the reaction H2(g) + I2(g) ->2HI(g). 50.0 g of HI is injected into an evacuated 5.00-L rigid cylinder at 340 K. What is the total pressure inside the cylinder when the system comes to equilibrium?
Which functional groups are based on carbonyl moiety. Which functional groups act as a nucleophile and an electrophile
The rate constant for the second order reaction 2NO2 ???&??; N2O4 is 2.79 L/mol •min at 48 oC. If the initial concentration of NO2 is 1.05 M , what is the half-life
Determine an expression for the rate of decomposition in terms of elementary reaction rate constants and reactant and productconcentrations. What is the reaction order with respect toethylene epoxide
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