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zheka24 [161]
3 years ago
12

HELPPP PLEASEEEEEE DUE TODAY :(

Chemistry
1 answer:
-Dominant- [34]3 years ago
3 0
JJJJJJJJJJJJJJJ:))))))))))))))
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Na +H₂O- NaOH +H₂ balance
Whitepunk [10]

Hey there!

Na + H₂O → NaOH + H₂

First, balance O.

One on the left, one on the right. Already balanced.

Next, balance H.

Two on the left, three on the right. Let's add a coefficient of 2 in front of NaOH and a coefficient of 2 in front of H₂O, so we have 4 on each side.

Na + 2H₂O → 2NaOH + H₂

Lastly, balance Na.

One on the left, two on the right. Add a coefficient of 2 in front of Na.

2Na + 2H₂O → 2NaOH + H₂  

This is our final balanced equation.

Hope this helps!

7 0
3 years ago
PLS HURRY 25 points
Arte-miy333 [17]

Answer:

its has to be AAAAAAAAAA

7 0
3 years ago
Read 2 more answers
The degree to which a measurement approaches a standard value is
SOVA2 [1]
I think the answer is accuracy
6 0
3 years ago
How would you describe the behavior of particles in a solid?
ehidna [41]
A.

Particles within a solid only vibrate in place.
4 0
3 years ago
What is the volume of 0.150 M sodium hydroxide, required to react completely with 250.0 mL of 0.545 M acetic acid, CH3COOH solut
katrin [286]

Answer:

68.81ml

Explanation:

Using the formula:

CaVa = CbVb

Where;

Ca = concentration of acid (M)

Cb = concentration of base (M)

Va = volume of acid (ml)

Vb = volume of base (ml)

Based on the information given in this question;

Ca = 0.545M

Cb = 0.150M

Va = 250ml

Vb = ?

Using CaVa = CbVb

0.545/250 = 0.150/Vb

Cross multiply

250 × 0.150 = 0.545Vb

37.5 = 0.545Vb

Vb = 37.5/0.545

Vb = 68.81ml

7 0
3 years ago
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