2 years ago

PLEASE HELP :)) WILL GIVE BRAINLIEST

Chemistry

1 answer:

hjlf2 years ago

5 0

Answer:

the answer is true

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I need help pls, and fast.

Vadim26 [7]

Answer:

1) Liquid forms drops that are dome-shaped

2) low surface tension

3) low viscosity

4) Liquid is thick and pours very slowly

Explanation:

It makes sense just use the stuff that's already in the table. It usually works.

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2 years ago

the purpose of the ____ system prevent foreign substances from entering the body and to attack foreign substances that are in th

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Immune System is the answer.

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Which variable is held constant when testing for the thermal expansion relationship of a gas?

Alenkasestr [34]

pressure is the correct answer

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3 years ago

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Write a Balanced Equation <br><br><br><br> H2 + Cl2 --> __HCl

Mariana [72]

Answer:

2HCL

Explanation:

Both the elements have 2 so when placing the 2 infront ,it'll distribute/ apply to both

7 0

2 years ago

22. A piece of wood board contains approximately 6.76 X 1023 molecules of wood, C2H4920, how

Licemer1 [7]

Answer:

<h2>1.23 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{6.76 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{6.76}{6.02} \\ = 1.22923...$

We have the final answer as

<h3>1.23 moles</h3>

Hope this helps you

5 0

2 years ago