Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
An impure sample of potassium hydrogen phthalate, KHP, having a mass of 84.02 g was dissolved in water. This acid sample was neutralized by the addition of 536.0 mL of 0.125 M NaOH.
NaOH(aq) + KHP(aq) ? NaKP(aq) + H2O(l)
How many mol of NaOH and KHP were used in the reaction? and what is the percentage purity of the KHP? Be sure to enter your answer in %.
What is the molarity of an NaCl solution prepared by dissolving 9.3g NaCl in sufficient water to give 350mL of solution.
The Environmental Protection Agency has estimated that 119 tons of mercury are currently emitted to Earth's atmosphere annually due to human activities
Assuming that the heat capacity of the ammonuim chloride solution is 4.18J/gc, calculate the heat (enthalpy) of the solution NH4Cl, (a) in J/g and (b) in kj/mol.
Calculate the pH of a buffer solution that is 0.200 M HC2H3O2 and 0.100 M in NaC2H3O2. Calculate the pH of the buffer that reults from mixing
How many hydrogens does an alkane with 17 carbons have How many carbons does an alkane with 74 hydrogens have Draw the structure and give the systematic name of a compound with molecular formula C5H12 that has
Each of four compounds shown has one signal in the aromatic region and one signal in the alkyl region of its H NMR spectrum. Use the integral values to determine which compound's H NMR spectrum is shown below
For the reaction 2C6H6 + 15O2 → 3CO2 + 6H2O 30 grams of C6H6 are allowed to react with 79.09 grams of O2.
Use the Causius Claperyon Equation to calculte the standard enthalpy of vaporization of ethnaol that its vapor pressure is 44.22 torr at 293 K and 350.8 torr at 333 K.
Compute the number of rads and rems of radiation in five years from such a level of plutonium.
The mass of an average blueberry is 0.72 g and the mass of an automobile is 1900 kg. Find the number of automobiles whose total mass is the same as 1.0 {rm mol} blueberries.
What is the pH of the solution at the equivalence point for the titration of 100 mL of a .786 M HCO2H solution with a .786 M Solution of sodium Hydroxide? Formic acid has a Ka=1.80*10^-4
An industrial freezer is maintained at -26 oC with a vapor compression refrigeration unit using R-134a (HFC-134a) as the working fluid. A throttle is used in the refrigeration cycle and the compressor is 80% efficient.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd