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Aloiza [94]
2 years ago
14

A student combines a clear, dark blue solution with a clear, colorless solution and agitates the test tube. The combination resu

lts in a clear, light blue solution. She concludes no reaction occurred. Explain the reason for the different color.
Chemistry
1 answer:
Hoochie [10]2 years ago
6 0

Answer:

The dark blue solution is diluted by the clear solution

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The measured value 24.00 g has an uncertainty of?
Orlov [11]

Answer:

±0.005 g

Explanation:

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1. Manual

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2. Digital

Most measurements of mass are now made on digital scales.

A digital device must always round off the measurement it displays.

For example, if the display reads 20.00, the measurement must be between 20.005 and 19.995 (±0.005).

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6 0
3 years ago
a metal forms two oxides. The higher oxide contains 80% metal. 0.72g of the lower oxide gave 0.8g of the higher oxide when oxidi
zzz [600]

Answer:

0.72 g of the lower oxide gave 0.8 g of higher oxide when oxidised. ... Thus, 90g of lower oxide contains as much metal as 100g of higher oxide, i.e., 80g (given). Hence, 80g of metal combines with 10g of oxygen in the lower oxide and 20g of oxygen in the higher oxide.

6 0
2 years ago
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An atom that has one or two valence electrons is most likely to be - Nonreactive only
meriva

Answer:

C) Highly reactive

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An atom with one or two valence electrons more than a closed shell is highly reactive, because the extra valence electrons are easily removed to form a positive ion

4 0
3 years ago
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