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Chemistry

2 answers:

Sliva [168]3 years ago

7 0

Answer:

Explanation:

emmainna [20.7K]3 years ago

3 0

Answer:

B. The western coast of the united states

Explanation:

I'm not sure if its correct but its pretty simple to understand, if you look at the arrows red represents heat, and blue represents cold, the red arrows (warm climate) is at the left more towards the U.S, therefore looking at the guide of North West South and East, it is at the western coast of the u.s

Hope this help! <3

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wlad13 [49]

An ionic compound is made up of a metal and a nonmetal. This eliminates answer choice A, C, and D because both of the elements listed are nonmetal.

Your correct answer is B) One atom of calcium and two atoms of chlorine. This is because calcium is a metal, and chlorine is a nonmetal.

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A sample of gas has a density of 0.53 g/L at 225 K and under a pressure of 108.8 kPa. Find the density of the gas at 345 K under

sukhopar [10]

Answer:

$\rho _2=0.22g/L$

Explanation:

Hello!

In this case, since we are considering an gas, which can be considered as idea, we can write the ideal gas equation in order to write it in terms of density rather than moles and volume:

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Whereas MM is the molar mass of the gas. Now, since we can identify the initial and final states, we can cancel out R and MM since they remain the same:

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