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In a car engine, gasoline (represented C8H18) does not burn completely, and some CO, a toxic pollutant, forms?In a car engine, gasoline (represented C8H18) does not burn completely, and some CO, a toxic pollutant, forms along with CO2 and H2O. If 5.0% of the gasoline forms CO:A: What is the ratio of CO2 to CO molecules in the exhaust?B: What is the mass ratio of CO2 to CO?C: What percentage of the gasoline must form CO for the mass ratio of CO2 to CO to be exactly 1/1
Describe how you would construct your target electrochemical cell, including the identities and concentrations of all chemical species, as well as a diagram of the setup.
equal amounts of identical liquids is contained by the two insulated beakerxy .intially it is given thatnbsp the
Write the net ionic equation, A stream of chlorine gas is passed through a solution of cold, dilute sodium hydroxide.
The drug is eliminated metabolically by a first-order process having a rate constant of 5.39 × 10-3 min-1. What must the initial dose of the drug be in order for the drug concentration 2.39 hours afterward to be 4.5 mg/kg body weight
What substance (element on the periodic table) resides at the heart of the structure of vitamin B12? 2 points
Lethality of Carbon Monoxide, Sulfur Dioxide and TNT, Air monitoring provides the following contaminant concentrations at the approximate center of a fire scene in which acres of automobile tires are burning
At 25 C, the standard hydrogen electrode (SHE) has a half-cell potential that is defined to be 0.00 volts. If the pH is increased at this electrode (keeping everything else the same), at what pH will the half-cell potential be equal to -0.337 volt..
The final temperature of the water is 27.8°C. Calculate the mass of water in the calorimeter. The correct answer should be 6.2x10g
Nickel and aluminum electrodes are used to build a galvanic cell. The standard reduction potential for the nickel(II) ion is -0.26V and that of the aluminum(III) ion is -1.66V.
Oleum or fuming sulfuric acid availble commerically in concentrations ranging from 20 to 99% sulfur trioxide. 1. What is the percentage by mass of sulfer trioxide (SO3)
Write balanced reactions for the complete combustion of each fuel and use standerd enthalpies of formation to calculate the amount of heat relesed per kilogram pf the fuel.
For the reaction,: Ca(OH)2(s)+ CO2(g)= CaCO3(s)+ H2O(g) (a) Use the following standard enthalpies of formation to calculate the enthalpy change.
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