3 years ago

I give brainliest pls help

Chemistry

2 answers:

ExtremeBDS [4]3 years ago

5 0

Answer:

Explanation:

Radiation can come from the Sun

12345 [234]3 years ago

3 0

Great Question! Sand Becoming Hot In The Sunlight is The Correct Answer So your Answer Choice Would be Letter "A"

Have A Great Day!

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If an element has a mass number of 222 and an atomic number of 86, how

svlad2 [7]

Answer:

136

Explanation:

The Mass Number is the combination of the amount of Protons and Neutrons in an element, so if the total mass is 222, and the amount of protons is 86, then you can do 86 + x = 222 to find that x is equal to 136

5 0

3 years ago

3 points

VLD [36.1K]

Answer:

<h3>The answer is 8.29 %</h3>

Explanation:

The percentage error of a certain measurement can be found by using the formula

$P(\%) = \frac{error}{actual \: \: number} \times 100\% \\$

From the question

actual density = 19.30g/L

error = 20.9 - 19.3 = 1.6

We have

$p(\%) = \frac{1.6}{19.3} \times 100 \\ = 8.290155440...$

We have the final answer as

Hope this helps you

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3 years ago

PLEASE HELP ASAP !!!

Alchen [17]

Answer: Naprox 350 is the anwser

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3 years ago

Which of the following is the best explanation for the fact that crushing increases the rate at which a solid dissolves in a liq

Oksana_A [137]

It’s D cause i know I know I know I know

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3 years ago

Can u help me with this

dolphi86 [110]

Answer:

Explanation:

the reason is because your a homosiejenenddj

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2 years ago