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In a blimp the gas pressure is 605.2mm and outside air temperature is -5.8 degrees Celsius. The volume of the gas chamber in the blimp is 199,630 cubic feet. What are the number of moles of helium in the blimp and the amount of helium (in Kilograms) in the blimp?
Suppose 5.00g of Ca is added to 50.0mL of 1.00M HCL. Determine the limiting reactant in this case and number of moles of calcium actually consumed.
If the presure of 50.0 mL of oxygen gas at 100oC increases from 735 mm Hg to 925 mm Hg, what is the final volume? Assume the temperature remains constant.
Calculate the total concentration of lead dissolved ([Pb]total) in a solution saturated with PbI2(s) and containing dissolved I- with a concentration of [I-] = 0.294 M. The solubility of lead is governed by the reactions shown below.
Provide a structure for the following compound: EI mass spectrum: two molecular ions of about equal intensity at m/z = 180 and 182; IR: 1740 cm-1; 1H NMR: ? 1.30 (3H, t J = 7 Hz); ? 1.80 (3H, d, J = 7 Hz); ? 4.23 (2H, q, J = 7 Hz); ? 4.37 (1H, q, ..
consider a gas-phase reaction 2a-> r 2s with unknown kinetics. if a space velocity of 1/min is needed for 90% conversion of a in a plug reactor, find the corresponding space-time and mean residence time or holding time of fluid in the plug flow re..
plot the titration point. make sure there is enough data. F. what indicator wouldyou use for this titration. what color change would you observe.
How would you prepare 3-methylheptane from either, butane, 1-bromobutane, or 2-bromobutane?
A particular reactant decomposes with a half-life of 145 s when its initial concentration is 0.389 M. The same reactant decomposes with a half-life
Why is glycogen debranching enzyme necessary? a) It allows regulation of the rate of glycogenolysis. b) Because glycogen phosphorylase cannot convert G1P to G6P
Write the appropriate nuclear equation for the following description. Iodine-131, has a half-life of 8 days. If you started with a 12.0-mg sample of I-131, how much would remain after 24 days
write the balanced net ionic equation for the reaction that produces the solid. Include phases and charges. c) calculate the percent sodium chloride in the original unknown mixture.
A 391 mL of sample of HClO4 has pH of 0.2439. If 619 mL of distilled water was added to the HClO4 solution, what would the new pH be
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