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bixtya [17]
3 years ago
5

How many moles are in 3.46 g of chromium?

Chemistry
1 answer:
Bezzdna [24]3 years ago
6 0

Answer:

0.06654345229738384 moles of chromium.

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5.22x10-3 = [? ]x 10-2
levacccp [35]

Answer:

5.12

Explanation:

5.22 x 10 - 3 = [?] x 10 - 2 (move - 2 to the other side with changed sign)

5.22 x 10 - 3 + 2 = [?] x 10 (divide both sides by 10)

[?] = (5.22 x 10 - 1) / 10

[?] = 5.12

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3 years ago
True or false: according to the law of conservation of mass, matter cannot be created nor destroyed in an isolated system.
Nonamiya [84]

Answer: true

Explanation:

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3 years ago
(multiple choice) What is the SI unit of mass?
SpyIntel [72]

Answer:

Gram

Explanation:

The SI unit of mass is grams.

Mass is the measure of matter contained in a substance. It is usually determined by weighing an amount of substance on a balance or scale.

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2 years ago
How would describe the characteristics of the urine
gogolik [260]

Urine has the color of pale yellow to deep amber. It is odorless and has a pH of 4.5-8.0

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2 years ago
To what class of minerals do gold, silver, and copper belong? A. carbonates B. native elements C. halides D. sulfates and sulfid
Nataly_w [17]
I have never heard of the term native elements before but that must be it since carbonates contain CO₃, halides contain a halogen, and sulfates and sulfide contain either SO₄ or SO₃.  Gold, silver, and copper can all become carbonates, sulfates or sulfides, and halides.  However, by them selves they don't.   
4 0
3 years ago
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