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valina [46]
3 years ago
9

I want to tell my crush that I like him but we are virtual and I don't have a phone so I was going to email him. any advance on

what I should say. PLSSSSSSSSS I don't really know how to tell him that I like him. I am a very shy person when it comes to things like this .....so PLSSSSS HELP MEH!. I'l give all my points. i have 35. just pls
Chemistry
1 answer:
siniylev [52]3 years ago
5 0

Answer:

How to Tell Your Crush You Like Them Without Making Things Weird

Drop A Few Hints. ...

Give Yourself a Deadline. ...

Be Confident. ...

Make It Easy for Them. ...

But Also Make Sure You're Comfortable. ...

Consider How You Would Feel If You Didn't Tell Them. ...

Look At The Big Picture. ...

Stay Positive.

Explanation:

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Write an algebraic expression to repro<br> 1.4 times a number, increased by 7
liberstina [14]
I think its gonna be 5
7 0
3 years ago
Which will have the lowest boiling point between pure water, 0.5NacI, 1.0 NaCi or 2.0 NaCi?
Andru [333]

Answer:

pure water will have the lowest boiling point.

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On the basis of the information above, a buffer with a pH = 9 can best be made by using
telo118 [61]

Answer:

D H2PO4– + HPO42–

Explanation:

The acid dissociation constant for \mathbf{H_3PO_4 , H_2PO^{-}_4 ,  HPO_4^{2-}} are \mathbf{7\times 10^{-3}, \ \ 8\times 10^{-8} ,\ \  5\times 10^{-13}} respectively.

\mathbf{pka (H_3PO_4) = -log (7\times 10^{-3} )=2.2}

\mathbf{pka (H_2PO_4^-) = -log (8\times 10^{-8} )=7.1}

\mathbf{pka (HPO_4^{2-}) = -log (5\times 10^{-13} )=12.3}

The reason while option D is the best answer is that, the value of pKa for both

\mathbf{H_2PO^{-}_4 ,\  \& \  HPO_4^{2-}} lies on either side of the desired pH of the buffer. This implies that one is slightly over and the other is slightly under.

Using Henderson-Hasselbach equation:

\mathbf{pH = pKa + log \Big( \dfrac{HPO_4^{2-}}{H_2PO_4^-} \Big)}

3 0
3 years ago
A magnesium atom has 2 valence electrons in its third shell.
likoan [24]
D. It will lose 2 electrons in order to become stable.
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3 years ago
What branch of Earth science studies the position of Earth in the solar
Gre4nikov [31]

Answer:

C.

Explanation:

7 0
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