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If 36.8 grams of FeS2 is allowed to react with 22.0 grams of O2 according to the following unbalanced equation, how many grams of Fe2O3 are produced?
A mixture of 2.20 moles of gas A and 5.81 moles of gas B has a total pressure of 0.794 atm. What is the partial pressure of each component?
Calculate the reflection loss when a beam of radiant energy passes through an empty quartz cell assuming the refractive index of quartz is 1.55.
A quantity of 6.75g of SO2Cl2 was placed in a 2.0L flask. At the equilibrium there is 0.0345mole of SO2 present. Calculate Kc for the reaction: SO2Cl2 SO2 + Cl2
A 0.050 M H2S solution contains 0.15 M NiCl2 and 0.35 M Hg(NO3)2. What pH is required to precipitate the maximum amount of HgS but none of the NiS
a very dilute solution contains 116 mg of fructose m180.16 gmol in 1.00 liters of solution. it is placed in a
the definition of Lewis acid and base but when the problem like below is given i don't know what to do. Can you thoroughly explain step by step to figure out which is which?
Both (E)- and (Z)- 2-cholorobutenedioic acids dehydrochlorinate to give acetylene dicarboxylic acid. The Z acid reacts about 50 times faster than the E acid. Explain.
What is the heat of vaporization(kJ/mol) if it takes 3,452 J of heat to completely vaporize 2.68 moles of the liquid at its boiling point?
If 1L of .15M NaOH is unprotected from mmol of CO2, what will be its new molarity when it is standardized agains a standard solution of HCl using
how many moles of leadiinitrate pbno32will be needed to react with sodium chromate na2cro4 to produce 4.62 kg of
The optical rotation of a sample composed of only D-lactose is determned [a] abs = 0.99 degrees. [a]d is known to be 52.3 degrees of D-lactose.
how many days does it take for 16g of palladium-103 to decay to 1.0g? the half life of palladium -103 is 17days
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