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A mixture of NH3(g) and N2H4(g) is placed in a sealed container at 320 K. The total pressure is 0.51 atm. The container is heated to 1200 K at which time both substances decompose completely according to the equations 2NH3(g)→N2(g)+3H2(g); N2H4(g)→N2(g)+2H2(g). After decomposition is complete the total pressure at 1200 K is found to be 4.5 atm. Find the percent (by volume) of N2H4(g) in the original mixture.
Problem- A solid aluminum sphere has a mass of 86g. Use the density of aluminum to find the radius of the sphere in inches.
How much HCl is leftover after the 20.0 mol of HCl reacts with the 12.5 mol of NaOH?
What are the degeneracy of the first six levels for an electron in a cubicul (3-dimensional) box with box length, L = L(x) = L(y) = L(z) = 1.00pm
Explain why do the coefficients of an elementary step equal the reaction orders of its rate law, however those of an overall reaction do not
Assuming the surface water receiving the waste stream is somewhat dynamic, briefly summarize the zones or phases of transformation that could result during natural treatment and recovery (by sure to discuss the dynamics of oxygen depletion and rep..
A gas bottle contains .650 mol of gas at .961 atm pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle.
superheated steam at a pressure of 40 bar and a temperature of500degc is supplied to the turbine of a rankine cycle.a
What is the charge associated with each side of the HI molecule? Express your answer in Coulombs to three significant figures.
Question- Briefly explain whether the following procedural errors would result in either an incorrectly high or incorrectly low calculated percent Cu recovery for this experiment.
most organic polymers are named based on the monomers used in their production. however polyvinyl alcohol pva is not
question a solution is prepared by adding 25.0 ml of 1.30 m alcl3 solution to a flask and then adding enough water to
Wine goes bad soon after opening because the ethanol (CH3CH2OH) in it reacts with the oxygen gas (O2) from the air to form water (H2O) an acetic acid (CH3COOH). What mass of ethanol is consumed by the reaction of 5.9g oxygen gas?
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