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!
At 298 K and 1 atm, the (delta H vap) and (delta Svap) of PCl(l) equal 32.7kj mol^- 1 respectively. By determing deltaGva, expalin why PCl(l) does not biol under these conditions.
a) calculate the normal boiling point of Pcl(l).
b) determine the vapour pressure of PCl3 (l) at 298K.
Table salt (NaCl) and sugar (C12H22O11) are accidently mixed. A 5.00 g sample of the mixture is combusted, and 1.80 grams of CO2 are produced. What is the mass percent of sugar in the mixture
What is the rate of the above reaction? What is the closest numerical value of K for the above reaction? What are the units for the rate constant for the reaction?
calculate the heat in joules released by the dissolving salt. Assume that the specific heat of the solution is the same as thar of pure water(4.184J/g- celcius) and that the calorimeter is perfect.
What is the heat change in J associated with 37 g of gaseous methanol at 89 oC changing to liquid at -64 oC?
What is the coordination number of the central metal ion in K3[Co(H20)4Cl2] one, two, four or six
Describe and explain how each of the following experimental errors or variations might affect your results. a) you failed to dry the reaction flask after washing it with water.
the recrystallization is slow typically the flask is closed with a cork. What do you think is the reason for using a cork and not a plastic stopper (which would seal the flask better)
it has been estimated that halleys comet has a mass of 1 x 110 tons. This comet is estimated to lose 1x 80 tons of material each time its orbit brings it close to the sun. With an ordital period of 76 years, what is the maximum remaining life span..
calculate teh PH of 2.0m NaCN. what is the concentration of HCN in the solution?
Give Structures- Indentify unknown organic liquids, An unknown organic liquid, A, was found to burn with yellow, sooty flame and give a positive Lucas test (about 5 min). Upon treatment with sodium dichromate-sulfuric acid solution it produced Comp..
If 0.487 grams of AgNO3 is dissolved in 20 ml of water, how many moles of silver ions will be present in each millimeter?
What volume (mL) of 0.663M potassium hydroxide aqueous solution is needed to neutralize [?this means to completely react with] 842 mL of 0.554M nitric acid?
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