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Consider the heterogeneous equilibrium process shown below.
C(s) + CO2(g) reverse reaction arrow 2 CO(g)
At 700.°C, the total pressure of the system is found to be 3.81 atm. If the equilibrium constant KP is 1.52,
calculate the equilibrium partial pressures of CO2 and CO.
A green leaf has a surface area of 3.00cm^2 . If solar radiation is 1040W/m^2 , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504nm for solar radiation.
the pressure on a 625 ml sample of gas is changed from .925 atm to 1.45 atm. what is the new sample of gas?
Concentrated hydrochloric acid is 38% HCl by weight and has a density of 1.19 g/mL. A solution is prepared by measuring 25 mL of the concentrated HCl,
electrons having this speed would need to be treated as waves in atoms because the wavelength is on the order of the size of atoms.
Consider a steel tank whose volume is 65.0 L and which contains O2 gas at a pressure of 18100 kPa at 22°C. What mass of O2 does the tank contain?
When steam (hot water) is passed over iron, hydrogen gas and iron (3) oxide are formed. What weight of steam would be needed to react completely with 100.0g of iron.
lead (II) sulfide (PbS) has a Ksp of 3.0 x 10^-28 . what is the concentration of lead (II) ions in a saturated solution of PbS
You need to prepare 100.0 mL of of buffer solution of pH=4.00 using 0.10M benzoic acid (pKa=4.20) and 0.160M sodium benzoate. What is the volume of each solution needed to prepare this buffer?
The Balmer series of transitions for the hydrogen atom result in absorption of photons that all originate from the n = 2 level. What are the longest and shortest wavelength photons in the Balmer sequence?
the gas sample weighs 2.62grams then computes the molecular weight and determines the identity of the gas.
Calculate the value of the rate constant. Pick the choice from below which gives the correct reaction order and value of the rate constant for this reaction.
A graduated cylinder contains 10.0 of water. What is the new water level after 36.0 of silver metal is submerged in the water.
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