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The decomposition of Phosphine, PH3(g), to P4 (g) and H2 is first order with rate constant of 1.1 min-1
a) How long will it take to decompose one fifth of the Phosphine?
b) What percentage of Phospine is decomposed after 1.25 min?
Construct a simulated 1H NMR spectrum for 1,1-dichloroethane by dragging and dropping the appropriate splitting patterns into the boxes on the chemical shift baseline
Calculate Heat Quantity of Heat Energy in Kilojoules required to melt 0.0980 mol ice to liquid water at 0 Degrees Ceslsius
Having an initial concentration of an acid of 2.69*10^-4 and having volumes at the equivalence point of 22.38mL and 21.27mL, Calculate the concentration of the base of 0.10 M NaOH
HBr is mixed with water. Which is the best description of what you would expect to find in the solution
suppose you have a canister of gas z. the pressure of the gas is 500. torr when the temperature is 17.0 c. what happens
Suppose you have a sample which should melt at 100-101 degree C. You place 0.015 grams in a capillary tube in an oil bath at 101 degree C. If the heat of fussion for the sample is 50 cal/gram
A soluation of HO-CH2-CH2-OH is prepared by dissolving 651g of ethylene gylcol in 1.50kg of water. Determine the freezing point of the soluaiton and the vapor pressure of water above the solution 25.0 degrees C.
The molecular formula of glycine (an amino acid) is NH2CH2COOH, the molecular mass is 75.07grams/mole. If 10 glycines are joined together by a dehydration reaction to make a polypeptide, what would the molecular mass of the polypeptide equal.
The reaction of Zn and Cu2+ produces a brown solid product. What is the identity of this product. Provide a balanced equation that shows the formation of this brown product
how many grams of potassium are present in 13.6g of K2Cr2O7
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n = 6 to n = 1.
What is the rate of consumption of isobutylbenzene inside the reactor. What is the flow rate of isobutylbenzene out of the reactor? What is the fractional conversion
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