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) In terms of tensile strength melting point etc. how a cross does linked polymer compare with a non-cross linked polymer?
b) Depict a simple schematic diagram of linear polyethylene and cross linked polyethylene. chemical structure of ethylene is CH2 = CH2.
The pKb values for the dibasic base B are pKb1 = 2.1 and pKb2 = 7.8. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.60 M B(aq) with 0.60 M HCl(aq).
(1) Consider the following pairs of substances. Think about the physical behavior of these substances if each pair were placed together in a separate container. Explain what would occur for each set and why.
Starting with only the solid, it is found that at 40 degrees Celsius the total gas pressure is .563 atm. Calculate the partial pressure of NH3 and CO2.
calculate the volume of nitrogen gas produced from 195.0 grams of sodium azide at 27.0 celsius and 836.0 mmHg pressure
The first-order rate constant for the reaction of methyl chloride (CH3Cl) with water to produce methanol (CH3OH) and hydrochloric acid (HCl) is 3.32 10-10s-1 at 25°C. Calculate the rate constant at 38°C if the activation energy is 116 kJ/mol.
the pka of the carboxyl group on the acetyl salicyclic acid is 3.0 . You have 500 liters of 0.1 M acetylsalicyclic acid. How much solid sodium hydroxide has to be added to convert all of the acetylsalicyclic acid into sodium acetylsalicylate but n..
Ammonia gas is produced by reacting hydrogen gas with nitrogen gas. To produce 450 g of ammonia gas using air as your source of nitrogen gas, what volume of air is required if the air is introduced at 25°C and 740 mmHg
Rank each of the following compounds in decreasing order of reactivity towards Friedel-Crafts alkylation. Most reactive = 1; if a compound will not react, rank it as "non" rather than assigning a numerical value.
Complete combustion of 2.0 metric ton of coal to gaseous carbon releases 6.6 x 10^10 J of heat. convert this energy to the following units.
A sample of Hydrogen gas was collected over water at 21 degrees C and at a pressure equal to the atmospheric pressure of 748 mmHg. The volume of the sample was 512 ml. How many grams of the H2 are in the sample. The vapor pressure of water at 21 d..
What are the highest and lowest possible energy of a photon that can be emitted by a hydrogen atom
a solution made by dissolving 5.00 g of a protein in 175 ml of solution has an osmotic pressure of 42.0 torr at 10
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