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DochEvi [55]
3 years ago
14

What are the partial and total vapor pressures of a solution obtained by mixing 35.8 g benzene, and 56.7 g toluene, at the vapor

pressure of the vapor pressure of C6H5CH3
Chemistry
1 answer:
Alla [95]3 years ago
6 0

Answer:

not sure, but you know what?

Explanation:

you are amazing! keep doing what youre doing!

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Match the following numbers with the correct number of significant digits they possess. Answers may repeat. (4 points)
mezya [45]

(B. 3) 172 All nonzero digits are significant.

(A. 4) 450.0 x 10^3 Trailing zeroes after the decimal point are significant.

(A. 4) 3427 All nonzero digits are significant.

(B. 3) 0.0000455 Leading zeroes are not significant.

(B. 3) 0.00456 Leading zeroes are not significant.

(C. 5) 2205.2 Zeroes between nonzero digits are significant.

(C. 5) 107.20 Trailing zeroes after the decimal point are significant.

(B. 3) 0.0473 Leading zeroes are not significant.

8 0
3 years ago
Give the charge and full ground-state electron configuration of the monatomic ion most likely to be formed by the element. rb
devlian [24]

Actually Rb or Rubidium in zero state has the following electron configuration:

<span>1s22s2</span><span>2p6</span><span>3s2</span><span>3p63d10</span><span>4s2</span><span>4p65s1</span>

 

However we can see that the ion has a 1 positive charge, which means that it lacks 1 electron, therefore the answer from the choices is:

<span>d. rb+: 1s22s22p63s23p64s23d104p6</span>
3 0
3 years ago
I NEED HELP PLEASE, THANKS!
Alexandra [31]

Answer:

Molecular Polarity. A polar molecule is a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative. A diatomic molecule that consists of a polar covalent bond, such as HF, is a polar molecule

Explanation:

7 0
3 years ago
If a +1 ion has 29 protons, what element is it?
Alex73 [517]

Answer: Copper (I)

Explanation:

The number of protons in an atom directly correlates to the identity of the atom, so this ion is copper. The charge relates to the balance of protons and electrons, so this ion has one more proton than it does electrons, making our final answer Copper (I). (Make sure to state the charge of transition elements! In this case our charge is 1+, so we'll put a (I) after the name!)

7 0
3 years ago
How many significant figures are in 0.00326
mina [271]
There are 3 significant figures.
5 0
3 years ago
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