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!
Based on equation:
2MnO4¬¬(-) + 6H(+) +5H2O2 → 2Mn(2+) +8H2O + 5O2
A 50.0 mL solution of hydrogen peroxide of unknown concentration was diluted with 1.00L of water. 25mL of this diluted solution was then titrated with acidified potassium permanganate; 20.25mL 0f 0.02 mol/L permanganate was needed to completely neutralise this sample. Fine the concentration of the original hydrogen peroxide solution in mol/L.
The united states food and drug administration requires that any product called vinegar contain at least 4% of weight by acetic acid .Assuming that the density of vinegar is the same as water, does this satisfy the FDA requirement to be called vin..
Acetylene gas (ethyne; HC?CH) burns in an oxyacetylene torch to produce carbon dioxide and water vapor, and the heat needed to weld metals. The heat of reaction for the combustion of acetylene is -1259 kJ/mol. (a) Calculate the C?C bond energy, and..
Calculate the standard (25°C and 1 atmosphere) heat of reaction in gram mole of the first reactant on the left-hand side of the reaction equation of the following reactions a. CH4 (g) + 2 O2 (g) ? CO2 (g) + 2 H2O (l) b. CO2 (g)+ H2 (g) ? CO (g) + ..
a typical aspirin tablet contains 500. mg of c9h8o4. what amount moles of c9h8o4 molecules and what number of molecules
Problem- If it takes 4.67 times as long for a particular gas to effuse as it takes hydrogen under the same conditions, what is the molecular weight of the gas
A titration of 200.0 mL of 1.00 M H2A was done with 1.28 M NaOH. For the diprotic acid H2A, ka1 = 2.5 x 10^-5 and ka2 = 3.1 x 10^-9.
Problem- When 2-butanol undergoes E1 dehydration, three alkenes are obtained. 1) Draw the structures for these alkenes.
A zero-order reaction has a constant rate of 3.20×10-4 . If after 60.0 seconds the concentration has dropped to 6.50×10-2 , what was the initial concentration?
in a reaction 2.04 g of vanadium is combined with 1.93 g of sulfur to give a pure compound. what is the empirical
When 45.0 grams of a certain metal at 70 degrees celsius is added to 24.0 grams of water at 10.0 degrees celsius in an insulated container, the final temperature is 20.0 degrees celsius. What is the specific heat capacity of the metal
Compute How many mg of the compound P do you have in 20ml of 4% (w/v) solution of P
Question- An 8.50 L tire contains 0.552 mol of gas at a temperature of 305 K. What is the pressure (in atm and psi) of the gas in the tire
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