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Dmitry_Shevchenko [17]
3 years ago
12

Examples of Compounds, Mixtures and Elements.

Chemistry
1 answer:
AleksandrR [38]3 years ago
7 0

Answer:

COMPOUNDS-water, hydrogen peroxide, salt,baking soda

MIXTURE- Dirt and water, water and salt, smoke and fog

ELEMENTS- carbon, oxygen, gold, silver, iron

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Anthracite is so hard and pure it is also referred to as a _____.
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fish give off the compound ammonia which has a PH above 7. To which class of compounds does ammonia belong?
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Which statement about scientific notation is true?
vladimir2022 [97]

Explanation:

the proper format for scientific notation the following conditions must be true

8 0
3 years ago
Which term best describes this reaction? 2 carbons double bonded to each other, with CH 3 above the left C and H above the right
Ierofanga [76]

Answer:

addition polymerization

Explanation:

In addition polymerization, the monomers are simply joined to each other to form a polymer having the same empirical formula as the monomer but of higher relative molecular mass. The monomers in addition polymerization are usually simple unsaturated molecules such as alkenes.

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6 0
3 years ago
33.23 grams of a thin sheet of iron is completely oxidized in 7 days. How would you express the rate of conversion of the silver
tresset_1 [31]

Answer:

A. 0.0440 moles/day

Explanation:

First, let's figure out how many moles 33.23 grams of silver is. We do this by dividing the number of grams by the molar mass of silver, which is 107.87 g/mol:

33.23 g Ag ÷ 107.87 g/mol = 0.3081 mol Ag

Now, let's divide this by 7 to get the rate per day:

0.3081 mol Ag ÷ 7 days = 0.0440 mol/day

Thus, the answer is A.

7 0
3 years ago
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