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sasho [114]
3 years ago
5

I WILL GIVE BRAINLIEST AND EXTRA POINTSSS! PLEASE ANSWER

Chemistry
2 answers:
Bas_tet [7]3 years ago
7 0
The dependant variable is what you measure during the experiment and what is affected in the experiment (this is for question 4) so the answer would be D
Alex3 years ago
7 0
The answer of Question 3 is d
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PLEASE HELP. !!
scoray [572]

Answer:

Potential energy = 441 N

Explanation:

Given:

Mass M = 15 kg

Height = 3 m

Find:

Potential energy

Computation:

Potential energy = mgh

Potential energy = (15)(9.8)(3)

Potential energy = 441 N

8 0
2 years ago
How can you use the Periodic Table of Elements to help you find information about specific elements? PLZZZ HELP MEEEEEE!!!!
elena-14-01-66 [18.8K]

Answer:

Yuh imma help-........

6 0
2 years ago
Which term represents the fixed proportion of elements in a compound
Gekata [30.6K]

Answer:

Chemical formula.

Explanation:

A chemical formula have fix proportion of atoms of elements.

Chemical formula:

A chemical formula is the way of presenting the chemical proportion of atoms of those elements, that combine to form a compound.

For example:

Water consist of two atom of hydrogen and one atom of oxygen. The atoms of both elements combine to form a compound i.e water. The atoms of both elements always combine in a fixed ratio which is 2:1 in molecule of water.

H₂O

2:1

Carbon dioxide consist of two atom of oxygen and one atom of carbon. The atoms of both elements combine to form a compound i.e carbon dioxide. The atoms of both elements always combine in a fixed ratio which is 1:2 in molecule of carbon dioxide .

CO₂

1;2

5 0
3 years ago
Which is the best revision of this sentence?
taurus [48]
Give more points, dont even feel like reading this for 5 pointsssss
3 0
2 years ago
Group 17 is called the halogen family, and the group to its right is called the noble gases. How are the elements in these group
Firlakuza [10]

Answer: they all have 7  electrons they have different atom sizes

Explanation: hope it helps

7 0
2 years ago
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