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2 years ago

Based on the information in the passage, what is true of gases?

Chemistry

1 answer:

luda_lava [24]2 years ago

7 0

1: True
2: True
3: False
4: False

(Question 2 might not be true, not sure)

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WILL MARK BRAINLY! Which chemical element has the shortest name?

Aleonysh [2.5K]

Answer:

boron I guess

hope this heps

5 0

2 years ago

Determined that all animals were mad of cells

Tpy6a [65]

Robert Hooke deterred that all animals were made of cells

8 0

3 years ago

If the mass percentage composition of a compound is 72.1% Mn and 27.9% O, its empirical formula is

mojhsa [17]

Answer:

MnO- Manganese Oxide

Explanation:

Empirical formula: This is the formula that shows the ratio of elements

present in a

compound.

How to determine Empirical formula

1. First arrange the symbols of the elements present in the compound

alphabetically to determine the real empirical formula. Although, there

are exceptions to this rule, E.g H2So4

2. Divide the percentage composition by the mass number.

3. Then divide through by the smallest number.

4. The resulting answer is the ratio attached to the elements present in

a compound.

Mn O

% composition 72.1 27.9

Divide by mass number 54.94 16

1.31 1.74

Divide by the smallest number 1.31 1.31

1 1.3

The resulting ratio is 1:1

Hence the Empirical formula is MnO, Manganese oxide

8 0

3 years ago

Which scientific discipline belongs in the blue box?

Brums [2.3K]

Answer:

chemistry I think.

Explanation:

I don't need a thanks.

7 0

3 years ago

Read 2 more answers

HELP ME PLEASEEE- 8th grade science

icang [17]

Answer:

It's obviously LIGHT ENERGY for me cuz it's from the flashlight..

Explanation:

Hope it helps you..

Your welcome in advance..

(ㆁωㆁ)

3 0

2 years ago