Chemistry, 25.09.2019 02:30 barbareishon11
The exhaust of a vehicle includes 14.50 volume percent of co2 and 375 ppm of no. the molecular weight of co2 is 44 g/gmol. for no, by convention we always use a molecular weight of 46 g/gmol to represent and equivalent amount of no2. gasoline has density of 2791.0 g/gallon and contains 86.5 weight percent of carbon assume that all carbon in the fuel is emitted as co2. what is the emission rate of no in units of grams of equivalent no2 per gallon of fuel consumed? [hint: one step is to figure out the gmol of c in the fuel based on the mass of carbon in each gallon of fuel.]
Answers: 3
Chemistry, 22.06.2019 08:30
In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?
Answers: 2
Chemistry, 22.06.2019 11:00
Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.
Answers: 1
Chemistry, 22.06.2019 17:40
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
Answers: 1
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