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!
A sample of gas has a mass of 827mg. its volume is 0.270L at a temperature of 88 degree C and a pressure of 975 mmHg. Find its molar mass.
The vapour pressure of a liquid in the temperature range 200K to 260K was found to fit the expression: ln (P/Torr)=18.361-3036.8/(T/K) What s the enthalpy of vapourisation of the liquid?
a mixture of 0.600 mol of bromine and 1.600 mol of iodine is placed into a rigid 1.000-l container at 350degc.br2g i2g
an experiment shows that a 249 -ml gas sample has a mass of 0.433 g at a pressure of 750 mm hg and a temperature of
An element has two naturally occurring isotopes. Isotope 1 has a mass of 120.9038 and a relative abundance of 57.4%, and isotope 2 has a mass of 122.9042 a.m.u Find the atomic mass of this element2.9042
1. explain briefly that how hcl could test for limestones presence use the balanced chemical equation for this and
A half-cell that consists of a copper wire in 1.00 M CuNO3 solution is connected by a salt bridge to a half cell containing a 1.00 M X(II) acetate solution and an electrode of metal X. The voltage of the cell is 1.37 V, with metal X as the positiv..
calculate the change in pH that occurs when 1.00 mmol of a strong acid is added to 100 mL of 0.0500 M CH3COOH
A solution that is made by combining 125mL of 0.050 M hydrofluoric acid with 50.0mL of 0.10 M sodium fluoride.
An average home in Colorado requires 20. GJ of heat per month. How many grams of natural gas (methane) must be burned to supply this energy. CH4(g) + 2O2(g) ? CO2(g) + 2H2O(l) ?H°rxn= -890.4 kJ/mol
The Lyman series of emission lines of the hydrogen atoms are those for which nf = 1. a) determine the region of the electromagnetic spectrum in which the lines of the Lyman series are observed. b) Calculate the wavelengths of the first three lines..
A biodiesel is formed from esterification of oleic acid with 1-propanol. When comparing the oleic acid with the biodiesel (ester), we conduct an inflammability test Explain why the biodiesel is flammable while oleic acid isn't.
The resulting solution is then diluted to exactly 1.00 L, at which time the pH was found to be pH 8.00. What is the concentration of H2PO4- in the solution. For phosphoric acid, Ka1 = 7.11 x 10-3, Ka2 = 6.32 x 10-8, and Ka3 = 7.1 x 10-13
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