2 years ago

Which pictures shows the proper structure of the water molecule? Click the picture to see each choice.

Chemistry

1 answer:

Yuliya22 [10]2 years ago

7 0

The third picture is the answer

Explanation:

there are 2 hydrogen atom 1 oxygen

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Which term describes free-floating, photosynthetic microorganisms in the oceans that are important for producing oxygen? A. phyt

Alexandra [31]

A phytoplankton is your answer

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3 years ago

Calculate the average atomic mass of chromium. It's composition is: 83.79% with a mass of 51.94 Amy; 9.50% with a mass of 52.94

Lana71 [14]

Youve gotta multiply the percentages by the masses. Like here
(.8379)(51.94)

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3 years ago

Which is a physical property of matter?

Flauer [41]

The answer is “D) Volume”

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3 years ago

Refer to the experiment below:

saul85 [17]

Answer:

I think you are correct with your answer.

Explanation:

But I don't think that the explanation is correct because I think that it is the formation of both baking soda and water that makes it work...Vinegar doesn't make gas bubbles maybe because it hasn't reacted or maybe because it is not the right ingredient for the solution you are looking for. Thank you for the question.....Am not sure I really helped in your question but thank you..

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3 years ago

What is the destiny of an object that has a mass of 20 grams and a volume of 10 millimeters

blondinia [14]

Answer:

2gcm⁻³

Explanation:

Given parameters:

Mass of the object = 20g

Volume = 10mL

Unknown:

Density of the object = ?

Solution:

Density of a body is its mass per unit volume;

Density = $\frac{mass}{volume}$

We need to convert mL to cm³ for the volume

1mL = 1cm³;

10mL is therefore, 10cm³

So;

Density = $\frac{20}{10}$ = 2gcm⁻³

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3 years ago