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Carbon disulfide is prepared by heating sulfur and charcoal. The chemical equation is S2(g)+C(s)<----> CS2(g) Kc=9.40 at 900K How many grams of CS2(g) can be prepared by heating 16.4 moles of S2(g) with excess carbon in a 7.30 L reaction vessel held at 900 K until equilibrium is attained
what will the concentration be after 3.00 minutes? B)A zero-order reaction has a constant rate of 3.40×10^?4 M/s . If after 80.0 seconds the concentration has dropped to 3.00×10^?2 M , what was the initial concentration?
If the synthesis of 1.0 mol of ATP requires a ?G of 37.7 kJ, how many moles of ATP are synthesized per mole of oxygen consumed
How much energy (in kilojoules) is required to convert 225 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL?
In a particular titration experiment a 25.0 mL sample of an unknown monoprotic acid required 30.0 mL of .200 M NaOH for the end point to be reached
A space probe identifies a new element in a sample collected from an asteroid. Successive ionization energies (in attojoules per atom) for the new element are l1 = 0.507, l2 = 1.017, l3 = 4.108, l4 = 5.074, l5 = 6.147 l6 = 7.903, l7 = 8.294. To wh..
The following system is at equilibrium with [N2O4]= .55M and [NO2]=.25M. If an additional .10 M NO2 is added to the reaction mixture with no change in volume, what will be the new equilibrium concentration of N2O4
Concrete used in road construction is reinforced using steel bars in a grid, known collectively as "rebar." After many years, rebar will begin to corrode, and the concrete will weaken.
A white solid remains in centrifuge tube after acetone extraction-it fizzes when hydrochloric acid is added suggesting sodium carbonate was formed- How did it form? Write a balanced equation for the formation?
How many calories are required to warm 15.0 g of water from 75 C to 100.0 C and convert it to steam at 100.0 C? The heat of vaporization of water is 540 cal/g.
When the flask is allowed to cool the vapor condenses and aire again refulls the flask. Re weighing the flask and figure out the the wight of the unknown vapor which filled the flask during the boiling. Explain why it is not necessary to know the w..
which one of the following would furnish the highest yield of a methyl ether on reaction with naoch3 under conditions of williamson synthesis?
Tungsten trioxide (WO3) has a rich yellow color and is often used as a pigment in ceramics and paints. In order to test a ceramic vase for its WO3 content
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