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Which of these would NOT be expected to form in even small amounts in the free-radical chlorination of methane.
a. CHCl3
b. CH3CH3
c. CCl4
d. some of all of these would be formed
e. CH2Cl2
Having a really hard time with differentiating between endothermic and exothermic processes. A clearer explanation would be great. I don't understand what the difference is between a gas to a liquid or a liquid to a gas.
Compute the atomic mass of 109Ag if natural abundance of 107Ag is 51.87% & atomic mass =106.905 amu and determine the probability of particle would be located in the range
if 28ml of 7.0m sulphuric acid was spilled determine the minimum mass of sodium bicarbonate or sodium hydrogen
dissolved in enough water to produce 162.5 mL of solution and that 18.8 mL of this solution is titrated to the stoichiometric point with 14.6 mL of 0.0307 M HCl(aq). What is the percentage purity of the original sample?
Suggest simple laboratory tests you could use to distinguish acetone, carbon tetrachloride, cyclohexane, ethyl ether and ethanol.
During the compression, a heat transfer of 1.6 Btu occurs from the nitrogen to its surroundings. Assuming ideal gas behavior, determine A.) the mass, in lb of the nitrogen B.)the work in Btu.
A student has sample of HNO3 of 340 ml at 25 degrees celsius and add water of 110 ml at 95 degrees celsius then determine the final temperature of the mixture
What two products form when you react Furfural with cyclopentanone (OH- on top of arrow and -H2O on bottom of reaction arrow). One has the molecular weight of 162.2 and melting point 60.5
Calculate the minimum energy a photon must have to produce an electron hole pair in an extrinsic semiconductor of band gap 1.0 electron volts.
the heat of vaporization of a liquid is the energy required to vaporize 1.00 mol of a liquid at its boiling point. in
A 2.500 gram sample of a hydrate of calcium sulfate loses 0.523 grams of water when heated. Determine the mass percent of water in the hydrate and the formula of the hydrate.
Chemical Syntheis :At the end of the reaction you are to add ice. Which of the following are reasons for the adding ice. The melting ice dilutes the concentrated acids. The ice cools the reaction thus slowing it down to the point where it is effectiv..
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