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Problem- Why is it important to measure the exact amount of water used in filtration process before the titration?
I need help for above question. Show each steps for the above problem.
What m/z value would you predict for the most stable fragment peak in the mass spectrum of 4-ethylheptane ? a- 85 b-128 c-99 d-113 e- 127
What mass of potassium sulfate is produced when 45.6 g of KMnO4 reacts with 56.4 g of H2SO4? 4KMnO4 + 6H2SO4 --> 2K2SO4 + 4MnSO4 + 6H2O + 5O2
(FW 180.16 g/mol) is burned in a calorimeter whose heat capacity is 29.7 kJ/oK, the temperature increases by 2.635oK. Calculate the heat of combustion of fructose in kJ per mole.
What are some of the side products that can occur in the preparation of meso-Tetraphenylporphyrin and Metalloporphyrin using pyrrole and benzaldehyde in acetic acid
The weight of an object is the product of its mass,m , and the acceleration of gravity,g (where g= 9.8m/s^2 ). If an object's mass is 10kg, what is its weight
a good yield of photosynthesis for agricultural crops in brightsunlight is 20kg of carbohydrate for example sucrose per
Determine the complete formula for hydrated nickel(II) sulfate and its proper name. (show all steps)
A 0.1000 M NaOH solution was employed to titrate a 25.00-mL solution that contains 0.1000 M HCL and 0.0500 M HOAc. Find out the pH of the solution after 27.50mL of NaOH is added. Ka HOAc = 1.75*10-5.
substance a and b are the same mass and at the same initial temperature. When the same amount of heat is added to each the final temperature of a is 75 degrees celsius
question the combustion of liquid ethanol c2h5oh produces carbon dioxide and water. after 5.6 of ethanol density 0.789
the mass of iron produced by the reaction of 7.00 kg of fe2o3 and 3.00 kg of co is 3.55 kg. what is the percent yield?
what quantity of heat is required to vaporize 107g of benzene, c6h6, at its boiling point, 80.1c? the heat of vaporization is +30.8kj/mol.
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