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strojnjashka [21]
3 years ago
11

HELP ME PLEASE!! IAM BEING TIMED. I WILL GIVE YOU BRAINLIEST!

Chemistry
2 answers:
dangina [55]3 years ago
8 0

Answer:

If it is made from solid silver then it is an element. If it is made from a silver alloy then it is a mixture. If it is a silver plated plate (i.e. a plate made from say, copper but with a thin layer of silver on top) then it is an element on top of an element.

Explanation:

I'm assuming you're talking about solid silver, so, i believe an element.

Goshia [24]3 years ago
4 0

Answer:

Element

Explanation:

Other things on that list like alloy and compound can be broken down, but elements cannot

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A chemical reaction can theoretically produce 1375.5 grams of product , but in actuality 112.9 grams are product . Which is the
zalisa [80]

Answer:

8.20 % → Percent yield reaction

Explanation:

To find the percent yield of reaction we apply this:

(Produced yield / Theoretical yield) . 100 = %

Produced yield = 112.9 g

Theoretical yield = 1375.5 g

We replace → (112.9g / 1375.5 g) . 100

8.20 % → Percent yield reaction

3 0
3 years ago
1. Which of the following elements has the smallest ionization energy
Serhud [2]

Answer:

chlorine

Explanation:

hope this helps

8 0
3 years ago
Does a hypothesis have to be true for a experiment to be valid?
Sav [38]

Answer:

no

Explanation:

because hypothesis are just what we thing is gonna happen it doesn't have to be true

sorry if im wrong

3 0
3 years ago
If matter is uniform throughout and cannot be separated into other substances by physical processes, but can be decomposed into
elixir [45]

Answer:

Compound

Explanation:

A compound is a substance that cannot be broken down by an ordinary physical process but can be split into its component elements by chemical processes such as decomposition, dissociation, displacement.

A compound is made up of two or more different atoms. A particular compound is unique/uniform in its composition and doesn't share its particular composition with another compound. For example, carbon monoxide (CO) is made up of one atom of carbon and one atom of oxygen while carbon dioxide (CO₂) is made up of one atom of carbon and two atoms of oxygen.

5 0
3 years ago
2) John cut a pineapple into 9-millimeter-wide cubes. How many
Maurinko [17]

Answer:

I think the answer is 729 cubic millimeters.

8 0
4 years ago
Read 2 more answers
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