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Calculate the heat released when 211 g of water at 23.0 oC is converted to ice at -10.0 oC. The specific heat of liquid water is 4.184 J/g . oC, the specific heat of ice is 2.09 J/g . oC, ΔHfus = 6.01 kJ/mol.
You work for a local chemical company. In your capacity as a chemist at this company, you developed a novel catalyst for the reaction with delta G = -10.5 kJ/mol at 50 degrees celcius For the uncatalyzed reaction at 50°C, the kf (the forward rate ..
CaCN2 + 3 H2O → CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?
The answer to formula and calculation, survey of physical chemistry, State all of the assumptions (e.g. ideal gas etc). (previous reaction is 2H??2(g) + O2(g) ----> 2H2O(g))
Indicate what precipitates, if any, form when solutions of each of the following are added to a solution containing the Group I cations.
If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter without the water was 1.75 kJ/degrees Celsius, calculate the molar heat of the combustion of methanol
When 20.0 g C2H6 and 60.0 g O2 react to form CO2 and H2O, how many grams of water are formed
sample of an unknown was dissolved in 10.7 g acetic acid. If the freezing point depression of the solution was 4.14°C, find the molar mass of the unknown
Since it is only slightly soluble, assume that the volume of the solution does not change on dissolution, and calculate the solubility product. Solubility of InF3: 4.0 x 10-2 g/100. mL
Assuming levels of atmospheric CO2 are 390 ppm CO2, what is the pH of rainwater in equilibrium with the atmosphere for the pre-industrial atmospheric CO2 concentration of 280 ppm,v.
why is the dissolving of ammonium chloride endotherimic? would you get similar results for dissolving all salts
2.55g napthalene dissolved in 30g of benzene. benzene freezes at 5.5c and resulting solution freezes at 2.13c what is
A lab bench has three one liter stoppered flasks. Flask A contains one gram of NH3 gas, flask B contains one gram of N2 gas, and flask C contains one gram of SO2 gas. All are at the same temperature.
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