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Suppose a scientist repeats the Millikan oil-drop experiment but reports the charges on the drops using an unusual (and imaginary) unit called the warmomb (wa). The scientist obtains the following data for four of the drops:
(a) If all the droplets were the same size, which would fall most slowly through the apparatus?
(b) From these data, what is the best choice for the charge of the electron in warmombs?
(c) Based on your answer to part (b), how many electrons are there on each of the droplets?
(d) What is the conversion factor between warmombs and coulombs?
The compounds Na2O, CdS and ZrI4, all can be described as cubic closest packed anions with the cations in tetrahedral holes. What fraction of the tetrahedral holes is occupied for each case?
A researcher suspects that the pressure gauge on a 49.9-L gas cylinder containing nitric oxide is broken. An empty gas cylinder weighs 135 lb. The weight of the partially full cylinder is 164.2 lb.
The game is simultaneous because the goalie must choose before seeing where the kick is going. Here's a matrix - assume the values are payoffs for the kicker for doing one thing and for the goalie doing another (like they're probabilities of beating..
determine the boiling point elevation of a solution of 133.0 mg of carvone c10h14 oil of spearmint dissolved in 1.500 g
If a 20L container was charged with 0.807atm of Xe gas as well as 1.37atm of Fluorine gas at 400.C the xenon gas reacts with flourine and forms xenon tetra fluoride. Explain what mass (g) of xenon tetra fluoride can be produced assuming 100% yield..
An ester can also be prepared by carrying out an SN2 reaction between a carboxylate ion (RCO2-) and the appropriate alkyl halide (R'-X). Is this approach possible for the synthesis of aspirin. Explain
It is heated so that its pressure increases from 1.50 atm to 407 atm. Determine the work done on the gas during this process.
A gas mixture in a 4.600 L container at 415°C contains 1.00 g each of Ar, CO, and CH4. Find the partial pressure of CH4. Enter units.
Assuming that the reaction occurs at constant pressure, how much heat is released. substance - heat of formation kJ/mol C(s)- 718.4 CF4 (g)- (-679.9) CH4 (g)- (-74.8) H (g)- 217.94 HF (g)- (-268.61)
a gaseous compound is composed of 85.7% by mass carbon and 14.3% by mass hydrogen. its density is 2.28 g/L at 300 K and 1.00 atm pressure.determine the molecular formula of the compound.
A gaseous mixture containing 0.150 mol fraction of carbon tetrachloride (CCl4) and 0.850 mol fraction of dry air is initially at 65.0°C
The following pairs of soluble solutions can be mixed. In some cases, this leads to the formation of an insoluble precipitate. Decide, in each case, whether or not an insoluble precipitate is formed.
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