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) Calculate the vapour pressure of a 5% by mass benzoic acid [C7H6O2(aq)] in ethanol solution at 35oC. The vapour pressure of pure ethanol at this temperature is 13.40 kPa. Present your answer in kPa.
B) The half-life of the zero order reaction A → B is 0.56 minutes. If the initial concentration of A is 3.4 M, what is the rate constant?
A gaseous mixture of O2 and N2 contains 36.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 685 mmHg.
Explain which of the subsequent three compounds is the most likely to be amenable to purification by sublimation- polyethylene, menthol, or phthalic acid. Explain why one is more amenable than the other two
Beaker B contains 100.0g water heated to 20C.The contents of the two are mixed. What is the final temperature of contents? Assume no heat as lost.
0.30 g of hydrogen chloride (HCl) is dissolved in water to make 4.5 L of solution. What is the ph of the resulting hydrochloric acid solution
Calculate the osmotic pressure( in atm) of each of the following aqueous solutions at 20.00 degree C: a. 1.59 M methanol (CH3OH)
A mass of mercury occupies .750L. What volume would an equal mass of ethanol occupy if mercury's density is 13.546 g/mL and the density of ethanol is .789 g/mL?
Question- What is the deltaE value for the oxidation of ubiquinol by cytochrome C when the ratie of UQH2/UQ is 10 and the ratio of Cyt C (Fe^3+)/Cyt C (Fe^2+) is 5?
Octane has a density of 0.692 g/mL at 20 degrees Celsius. How many grams of O2 are required to burn 1.00 gal of C8H18?
How much heat is absorbed when 45.00 g of C(s) reacts in the pressence of excess SO2(g) to produce CS2(l) and CO(g) according to the following chemical equation?
A solution is prepared by adding 20g of magnesium hydroxide solid to 2L of water that contains 10-5 MoI/L of Ca(OH)2. Determine the concentration of magnesium in the solution. Is there any solid magnesium hydroxide? How many grams
Manganese has a body-centered structure cubic unit cell and has a density of 7.88 g/cm^3. from this information determine the length of the edge of the cubic cell
what will be the temperature of the system when equilibrium is established? (sp Heat of H2O(s) = 2.09j/g . c (sp heat of H2O (l) = 4.18 J/g.c) Heat of Fus. of H2O(s)=333j/g
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