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kolezko [41]
3 years ago
6

In a solution, litmus is blue. The pH of the solution could be

Chemistry
1 answer:
schepotkina [342]3 years ago
6 0

Answer:

absotutately right

Explanation:

What is the pH color scale?

The pH scale runs from 0 to 14, with each number assigned a different color. At the bottom of the scale sits red, which represents the most acidic, and a dark blue at its opposite end represents 14 and alkalinity. In the middle zone, the pH scale becomes neutral

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Answer:

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8 0
3 years ago
Hydrogen peroxide can decompose to water and oxygen by the following reaction
mestny [16]
To begin calculating, there is one thing you need to remember :1 mole of H2O2=34.0148 g
Then we have 5.00g of H2O2=5/34.0148=0.146995
As you know decomposition of 2moles now has prodused <span>196kj
So, </span><span>q is made due </span>0.146995 moles of H2O2=(-196/2)*0.146995=-14.40551Kj
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6 0
3 years ago
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Answer:

1.7857 moles

Explanation:

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Likurg_2 [28]

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