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Aliun [14]
3 years ago
12

Am I correct? Because I’m kinda in between answers

Chemistry
2 answers:
navik [9.2K]3 years ago
8 0

Answer:

yh you are correct. the pattern is correct! :)

choli [55]3 years ago
6 0

Answer:

Yep! :)

Explanation:

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How many mL of a stock 50% (w/v) KNO3 solution are needed to prepare 250 mL of a 20% (w/v) KNO3 solution?
Andre45 [30]

Answer:

100ml of a stock 50% KNO3 solutions are needed to prepare 250ml of a 20% KNO3 solution.

Explanation:

In the given question it is mentioned that

     S1=50%

      V2=250ml

      S2= 20%

We all know that

                     V1S1=V2S2

                     ∴V1=  V2×S2÷S1

                     ∴V1=  V2S2×1/S1

                      ∴V1= 250×20÷50

                       ∴V1= 100ml

 

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3 years ago
Enzymes are proteins that speed up chemical reactions in the body. How do they work?
KATRIN_1 [288]
They work by lowering the activation energy
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3 years ago
When equal moles of an acid and a base are mixed, after reaction the two are compounds are said to be at the _______________. Se
Elodia [21]

Answer:

when equal moles of an acid and base are mixed,after reaction the two are compounds are said to be at the Equivalent point.

3 0
3 years ago
A dry cell produces_______ electricity.<br><br>A) static <br><br>B) current ​
ivolga24 [154]

Answer:

dude! it's static!

Explanation:

a dry cell can't function and is therefore static!

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Which is the formula for magnesium nitride?
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Explanation:

Mg₃N₂ is the formula of magnesium nitride.

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