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Sholpan [36]
2 years ago
5

Which of the following are testable?

Chemistry
2 answers:
GREYUIT [131]2 years ago
4 0
Where’s the answers ?
jeyben [28]2 years ago
3 0

you forgot the well answers

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How much percent of shops are in the city? How about in the country?
kolezko [41]

Answer:

I would say there would be 5-10% in a city, and maybe 10-20% in the country. It mainly varies depending on how big the city is, how many people/districts there are, and the size of the country, which makes it hard to give a certain percent of shops, as there may be small businesses included as well or new shops being built.

Hope this helps! This was pretty confusing for me as well so i hope the answer is alright (×﹏×)

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1 year ago
PLS ANSWER ASAP The following reaction occurs in a car’s catalytic converter.
Jobisdone [24]

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21. Which has a greater density: a large block of ice or a small block of iron?
irinina [24]

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its my answer

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3 years ago
How many moles of tin,Sn, are in 2500 atoms of tin?
Assoli18 [71]

Answer:

4.15×10⁻²¹ moles of Sn

Explanation:

This question can be solved by a simple rule of three.

We know that 1 mol contains 6.02×10²³ particles.

In this case, our particles are the atoms, so:

6.02×10²³ atoms / 1 mol . 2500 atoms = 4.15×10⁻²¹ moles.

The knowledge of mol can be applied for everything:

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3 years ago
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<span>A. potassium sulfide</span>
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