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In the following experiment, a coffee-cup calorimeter containing 100 of is used. The initial temperature of the calorimeter is 23.0. If 6.30 of is added to the calorimeter, what will be the final temperature of the solution in the calorimeter? The heat of solution of is.
what is the ph solution obtained by mixing 25.00 ml of 0.250 ml HCl and 25.00ml of 0.125M NaOH
Compute the pressure (in atmospheres) Using the van der Waals equation, exerted by water(H2O) of 23.93 grams at 36.11 degree celsius in a 1.00 Litre container.
What is the yield of ATP when Fructose-1,6-bisphosphate is completely oxidized to CO2 in mammalian cell? Assume that glycolysis, TCA, and oxidative phosphorylation are fully active.
Calculate the equilibrium constant K for the isomerization of glucose-1-phosphate to fructose-6-phosphate at 298K .
When 76.0 grams of calcium and 36.9 grams of nitrogen gas undergo a reaction that has a 90.0% yield what mass of calcium nitride is formed?
A compound contains 10.13% C, and 89.87% Cl (by mass). Determine both the empirical formula and the molecular formula of the compound given that the molar mass is 236g/mol
When a 1.90 mg sample of methane burns in excess oxygen, how many grams of water and carbon dioxide are formed?
What is the minimum amount of 6.0 M H2SO4 necessary to produce 20.0 g of H2? according to the following reaction. 2Al(s)+3H2SO4(aq)-->Al2(SO4)3(aq)+3H2(g)
Determine the partial pressure of oxygen O2 If the total pres- sure =80 torr, the partial pressure of CO=330 torr and the CO2 has a partial pressure = 330 torr?
The standard enthalpies of formation of SO3(g), S(g) and O(g) are -359.7, +278.8 and +249.0 kJ mol-1, respectively. Use these data to calculate the average bond energy (in kJ mol-1) of the S=O double bond.
The rate constant for a certain chemical reaction is 0.00250 M1 s1 at 25.0C and 0.0125 M1s1 at 50.0C. What is the activation energy for the reaction, expressed in kJ mol?
What was the volume of the aluminum cylinder in cm3? The mass of the aluminum cylinder was determined to be 30.1 grams. What is the density of the aluminum?
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