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(a)What is the physical basis for the VSEPR model?
(b) When applying the VSEPR model, we count a double or triple bond as a single electron domain.Why is this justified?
1. calculate the four values of ph poh h and oh- for a 0.100 m of hcl.2. calculate the four values of ph poh h and oh-
for analysis a short peptide seven residues long is treated with fdnb followed by complete acid hydrolysis and amino
a sample of chloroform is found to contain 10.5 g of carbon 93.1 g of chlorine and 0.88 g of hydrogen. if a second
perform the degrees-of-freedom analysis and calculate the rates of (1) fresh propane feed, (2) propane entering and (3) exiting the reactor
A researcher studyng the nutritional value of a new candy places a 4.50 gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.68 C.
How much heat can be obtained by burning 14 pounds of propane? (Remember to look at this from the viewpoint of the surroundings, since the question asks how much heat can be OBTAINED.)
Explain what is the molality of a solution that contains 3.0g urea (molecular weight=60 amu) in 100g of benzene
What the Van der Waals Pressure of ethane gas at temperature of 500K and Molar Volume of 7.28 x 10^-5 m^3/mol?
A membrane distillation unit is used to remove water and lactose from milk. In the unit warm milk flows through the inside of a bundle of fibres and a cold fluid which consists of water and lactose flows on the outside of the fibres.
Calculate the work associated with the compression of a gas from 121.0L to 80.0 L at constant pressure of 20.7 atm.
The average pH of precipitation in rural areas is 5.80. Assuming that the pH is controlled by the carbonate system, i.e., no anthropogenic acid gases are present in the atmosphere.
For which of the following aqueous salts will electrolysis produce hydrogen gas and oxygen gas. Check all that apply.
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