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steposvetlana [31]
3 years ago
13

Fill in the blanks

Chemistry
1 answer:
daser333 [38]3 years ago
6 0

Answer:

Here is the answers I got 8 out of 8 correct :D))

Explanation:

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C What mass of gas is present in<br>48 cm of oxygen. O2​
xenn [34]

Answer:

carbon dioxide

Explanation:

because we breath in oxygen and breath out Carbon

7 0
3 years ago
Which is the empirical formula for a compound that contains 64.75g nitrogen and 185.25 oxygen
Svetach [21]

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What is the formula for a compound that contains 64.75 g nitrogen and 185.25 g oxygen? D. N2O5

The name of a hydrate is calcium chloride dihydrate. What is its formula? B. CaCl2 x 2H20

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BRAINLIEST PLZZZZ

5 0
3 years ago
What accounts for the majority of all air pollution? Is that source increasing or decreasing overall?
lianna [129]
Hi there!

One of the main causes of air pollution is smoking.

Smoking affects not only humans, but pets and animals as well. Animals can get cancer too!

Another big cause of pollution is cars. Gasoline of course comes out into the air after it is used. It also affects animals.

A lot of people know that we should change this, but hardly anyone is really doing anything to try and stop it.

I know this is a short answer, but I hope it helps!
4 0
3 years ago
Read 2 more answers
Thinner in the center that at the edges; virtual image smaller.
ipn [44]
<h3><u>Answer</u>;</h3>

Concave Lenses

<h3><u>Explanation</u>;</h3>
  • A concave lens is thin in the middle and thick at the edges, such that it seems to cave inwards. It spreads light rays apart producing an image smaller than the actual object.
  • <em><u>Images formed by a concave lens are virtual, upright, reduced in size and located on the same side of the lens as the object. Diverging lenses or concave lens always produce images that share these characteristics. The location of the object does not affect the characteristics of the image. </u></em>
3 0
3 years ago
Read 2 more answers
Can you help me understand this question
snow_tiger [21]
You should talk about how it evaporates then it turn into a gas then back in to a liquid
6 0
3 years ago
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