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Consider the two diagrams showing the energies (boxes) of each of four A particles and four B particles shown below. The dotted lines represent the allowed energies of each particle.
A sample of hydrogen gas was collected over water at 36°C and 855 mm Hg. The volume of the container was 6.50 L. Calculate the mass of H2(g) collected. (Vapor pressure of water = 44.6 torr at 36°C)
the temperature was returned to the origenal value what would be the partial pressure of each gas be?
2K(s)+2H2O(l)--> 2KOH(aq) + H2(g) A 5.00 g chunk of potassium is dropped into 1.00 kg water at 24 deg C. What is the final temperature of the water after the preceding reaction occur.
You need to determine value of ?G° for CO(NH2)2(s) + H2O(l) CO2(g) + 2NH3(g)?
calculate A) the molarity of sodium B) the molarity of magnesium acetate C) the molarity of acetate ion in each solution
Write an equation for the formation of NH3g from its elements in its standard states.
A voltaic cell made of a Cr electrode in a solution of 1.0 M in Cr^3+ and a gold electrode in a solution that is 1.0 M in Au^3+.
List the letter that corresponds to the reagent from the reagent table you need to carry out the following synthesis in 5 steps or less. Heat may not appear on the reagent table with the reagent
What is the percent by mass of oxygen in a gaseous mixture whose molar composition is 0.500% CO2 and 99.500% air? The composition of air is 21% mole O2
A 32.0 iron rod, initially at 22.0C, is submerged into an unknown mass of water at 63.7C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 59.4C.
The thallium (present as Tl2SO4) in a 6.05-g pesticide sample was precipitated as thallium(I)iodide. Calculate the mass percent of Tl2SO4 in the sample if 0.235g of TlI was recovered.
U know that a certain sugar molecule contains higher energy phosphate bond than the gamam phosphate of ATP under the standard condition
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