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What is the specific heat capacity (in SI unit) of the following:
MgSO4.7H2O(NH4)2CO3KH2PO4FeCl3Mg2+NH4+K+Fe3+H+SO42-PO43-CO32-Cl-SO42-PO43-CO32-Cl-
How many grams of chlorine gas are needed to react with 11.5 grams of sodium metal
What is the specific heat of a substance that it takes 192 Joules to raise the temperature of 45 grams by 6 degrees Celsius
How much heat is required to warm 1.20 kg of sand from 26.0 0C to 100.0 0C?
Methane and hydrogen sulfide form when 36g H2 texts with carbon disulfide. Calculate the percent yield if the actual yield of CH4 is 69.8g.
The amount of heat needed to raise the temperature of 25 g of a substance by 15°C is 915 J. What is the specific heat of the substance?
(a)how do I calculate the concentration of the lycopene solution in the spectrophotometer cell before isomerization, given that the molar absorptivity of lycopene at 471 nm is 1.86 x 10^4. (b) Calculate the mass of lycopene in 3.0mL of the solutio..
The standard free energy of activation of a reaction A is 89.0 kJ mol-1 (21.3 kcal mol-1) at 298 K. Reaction B is ten million times faster than reaction A at the same temperature
A 15.0--mL unknown sample of aqueous acetic acid, CH3COOH(aq), was titrated using 0.800 M NaOH. If the titration endpoint was found to be 20.0 mL.
If a bottle of nail polish remover contains 153 g of acetone, how much heat would be released by its complete combustion?
A 24 L sample of a gas at fixed mass and constant temperature exerts a pressure of 3.0 atm. What pressure will the gas exert if the volume is changed to 16 L?
What is the molar concentration of Br^- ions in a 0.235 M aqueous solution of FeBr3, assuming complete dissociation?
The figure-8 bond orbitals around the carbon and oxygen atoms actually extend to infinity but do have two overlapping areas. C)This bond is the result of the interaction of an unpaired carbon electron in the 2s orbital and an unpaired oxygen elect..
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