It takes one gallon of gas to drive 25miles which measure of efficiency is an example

2 answers:

7 0

It is an example of fuel efficiency. This is a converting process of chemical potential energy into kinetic energy or work. It is also a measure of average distance that travels per unit of energy and is used to compare the consumption of energy from other vehicles

Sedaia [141]3 years ago

5 0

It takes one gallon of gas 25 milles

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How many moles are in 22 grams of Argon

kakasveta [241]

The answer would be 0.55 moles! good luck!

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3 years ago

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Benzoic acid, c6h5cooh, has a ka = 6.4 x 10-5. what is the concentration of h3o+ in a 0.5 m solution of benzoic acid? 3.2 x 10-5

FinnZ [79.3K]

The answer for this issue is:
The chemical equation is: HBz + H2O <- - > H3O+ + Bz-
Ka = 6.4X10^-5 = [H3O+][Bz-]/[HBz]
Let x = [H3O+] = [Bz-], and [HBz] = 0.5 - x.
Accept that x is little contrasted with 0.5 M. At that point,
Ka = 6.4X10^-5 = x^2/0.5
x = [H3O+] = 5.6X10^-3 M
pH = 2.25
(x is without a doubt little contrasted with 0.5, so the presumption above was OK to make)

3 0

3 years ago

The actet rule indicates that

Nimfa-mama [501]

an atom will gain or lose electrons to obtain 8 electrons in it's outer shell. In other words, elements want to reach an electron configuration of the nearest noble gas.

6 0

3 years ago

How much potassium chloride is needed to make 0.500 m solution with 1.50 L of water?

Andrew [12]

Answer:

55.9 g KCl.

Explanation:

Hello there!

In this case, according to the definition of molality for the 0.500-molar solution, we need to divide the moles of solute (potassium chloride) over the kilograms of solvent as shown below:

$m=\frac{mol}{kilograms}$