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vredina [299]
3 years ago
15

Hey can you pls just respond bc i want points

Chemistry
2 answers:
tamaranim1 [39]3 years ago
8 0

Answer:

i didn't

mean to put that

Explanation:

vichka [17]3 years ago
7 0

Ight even though you have to answer other peeps

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FinnZ [79.3K]

Answer:

a. volcanic changes create new land

8 0
3 years ago
______________________ produce evidence that helps to answer important questions or could also lead to new questions.
lesya [120]

Answer:

It is B theories

Explanation:

4 0
3 years ago
LAST QUESTION HELPPPP!!!!
WARRIOR [948]
Protons and neutrons that's it
6 0
3 years ago
Read 2 more answers
If a given aqueous solution at 298 K contains [H+] = 1.0 × 10-9, what is the [OH-]?
Zinaida [17]

Answer:

C.

Explanation:

\frac{1x10}x^{-14} = 1x10^{-9} \\ x =1x10^{-5} \\\\[OH][H]= 1x10^{-14}

The concetration can be found by dividing the water ph constant by the [H=] or [OH] to find the other

6 0
3 years ago
What volume of a 2.5 M stock solution of acetic acid (HC2H3O2) is required to prepare
Schach [20]

<span> </span>

Answer is: volume is 20 mL.<span>
c</span>₁(CH₃COOH) = 2,5 M.<span>
c</span>₂(CH₃COOH) = 0,5 M.<span>
V</span>₂(CH₃COOH) = 100 mL.<span>
V</span>₁(CH₃COOH) = ?<span>
c</span>₁(CH₃COOH) · V₁(CH₃COOH) = c₂(CH₃COOH) · V₂(CH₃COOH).<span>
2,5 M · V</span>₁(CH₃COOH) = 0,5 M · 100 mL.<span>
V</span>₁(CH₃COOH) = 0,5 M · 100 mL ÷ 2,5 M.<span>
V</span>₁(CH₃COOH) = 20 mL ÷ 1000 mL/L =0,02 L.

8 0
3 years ago
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