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The following reaction produces hydrogen for use as a fuel. CO (g) + H 2 O (g) H 2(g) + CO 2(g) K eq = 8.3 at 700 K
The reaction reaches equilibrium at 700 K in a closed 5.0-L container. Analysis shows 0.200 mol of CO, 0.230 mol of H 2 O, and 0.950 mol of CO 2 . What is equilibrium concentration of hydrogen?
If the magnet loses its superconducting properties, all of the liquid helium could suddenly turn to a gas. If an MRI machine contains 1950 L liquid
What is the rate constant? what would happen if you increase the concentration of NO by a factor of 1.9?
Predict the structure of the enamine product in the reaction below and show the last step of the mechanism.
Assuming that one mole of NaN3 produces one mol of N2, what volume, in liters, of nitrogen gas is released from the decomposition of 1.88 g sodium azide? The pressure is 755 torr and the temperature is 24 degrees C.
A gas cylinder is filled with pure ammonia. Which term or terms could be used to describe the contents of this gas cylinder?
If 75.0 mL of 0.250 M HNO3 and 75.0 mL of 0.250 M KOH are mixed, what is the molarity of the salt in the resulting solution?
One of the alkali metals reacts with oxygen to form a solid white substance. When this substance is dissolved in water, the solution gives a positive test for hydrogen peroxide, H2O2.
Given that the density of solid sodium is 0.968 g/cm^3, estimate the atomic (metallic) radius of a Na atom. Assess the value obtained, indicating why the result is only an estimate and whether the actual radius should be larger or smaller than the..
Determine the mass percentage concentration of a sodium hydroxide solution produced by mixing 50.0 mL of a 25 % (density=2.45g/mL) sodium hydroxide solution with 10.0mL of H 2 O?
Draw structural formulas for propanal and propanone. From these formulas, do you think that aldehydes and ketones are isomeric with each other? Show evidence and substantiate your answer by testing with a four carbon aldehyde and ketone.
The chlorination of alkanes is a useful free radical reaction with typical initiation, propagation and termination steps. Show using propane C3H8 each of the steps involved.
Write a net ionic equation for the precipitation reaction resulting from mixing a BaCl2 solution with a K2SO4 solution.
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