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100 mL of 0.5 M HCl is mixed with 100 mL 0.5 M NaOH in a constant pressure calorimeter (S cup= 335J K^-1). The initial temperature of the HCl and NaOH solutions are 22.5C and final temperature of the solution is 24.9C. Calculate the molar heat of neutralization assuming the specific heat of the solution is the same as for water
if 94 of heat are added to a pure gold coin with a mass of 16 what is its temperature change? specific heat capacity
a solution of malonic acid h2c3h2o4 was standardized by titration w.1000m naoh solution. if 20.76 ml of the naoh
Problem- What is the electronic configuration of the Carbon atom in the following molecules. A. CH3OH B. CH2O C. HCO
a solid sample containing some Fe+2 ion weighs 1.062g. It requires 24.12mL 0.01562 M KMnO4 to titrate the Fe+2 in the dissolved sample to a pink end point.
how many milliliters of o2 are consumed in the complete combustion of a sample of hexane c6h14 if the reaction produces
3 moles of carbon dioxide gas expands reversibly in a piston-container from 20 L to 40 L in an isothermal process at 400 K. Calculate work, heat, change in internal energy and change in enthalpy, considering van der Waals behaviour. [a = 3.59 atm ..
Explain what are the hazards flmmable, corrosive, irritant or cancer suspect agent for each of the 4 chemicals below-
A 475 mL sample of gas is collected over water at 27°C and a total pressure of 675 mm Hg. If the vapor pressure of water at 27°C is 26.7 torr, what is the volume of the gas sample at standard pressure?
for a certain chemical reactiondelta h -156kj . assuming the reaction is at equilibrium classify each of the following
when a compound a c5h12o is treated with hbr it forms compound b c5h11br. the 1h nmr spectrum of compound a has one
what is the rate constant for this reaction at 398 K ? I know that the answer is 1.2 s-1 but I don't know how to get it . Can anyone explain it to me please?
an equilibrium mixture at 594degc in a 1342-ml container involving the chemical systemnbspn2g 3h2g 2nh3gnbspis found
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