Asample of a substance contains 3.70
a. 0.615 1024 mol
b. 0.615 1023 mol
1023 formula units. how many moles are contained in the sample?
c 0.615 mol
d. 22.3 mol
select the best answer from the choices provided
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nerz
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sutant

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?

Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k

If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.