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Explain the volume in L H2(g) measured at 22 °C and 745 mmHg needed to react with 30.0 L CO(g) measured at 0 °C and 760 mmHg in the reaction 3 CO(g) + 7 H2(g) C3H8(g) + 3 H2O(l) is
a) 65.5 Lb) 74.1 Lc) 77.2 Ld) 33.1
Draw a diagram of the electrochemical cell, labeling all electrodes and solutions. (1B). What is the pH in the Pt | H+ | H2 half-cell? (1C). What is the value of the equilibrium constant for the reaction occurring in this cell
rank the given solutions in aquous form from lowest to highest boiling point 0.5 m nacl 1 m kcl 0.5 m bacl2 1 m
Calculate the specific heat capacity of the metal when the final temperature of the mixture =38.7?C.? (Assume that there is no energy lost to the surroundings.)
Calculate the equilibrium concentrations of NH3 and H2S if a sample of solid NH4HS is placed in a closed vessel and decomposes until equilibrium is reached
if 0.00484 mol N2O effuses through an orifice in a certain period of time, how much NO2 would effuse in the same time under the same conditions ?
Calculate the osmotic pressure of each starting solution and that of the mixture, assuming that the volumes are additive and that both salts dissociate completely into their component ions
determine the average separation distance between the quantum dot and an adjacent gold nanoparticle for the molecular beacon (in the absence of the target sequence).
the human body on average contains 6 liters of blood. if 20 drops are equal to 1 milliliter how many drops of blood are
Liquid benzene, C6H6, (density = 0.877 g/mL) can be used as a fuel. What is ?H in kJ for the combustion of 2.86 L of benzene producing CO2(g) and H2O. Assume that the heat of combustion of benzene is -4.18 x 103 kJ/mol.
Calculate the concentration of an aqueous solution of Ca(OH2)that has a pH of 12.57? Express your answer using two significant figures.
What is the optical purity, or enantiomeric excess, of the 2-octanol produced in this reaction? 10% S. What is the ratio of enantiomers of 2-octanol in the product mixture
How many moles of solid Ba(N03)2 should be added to 300ml of 0.20 MFE(N03)2 to increase the concentration of the N03 ion to 1.0M. can you please show steps
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