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QveST [7]
3 years ago
15

How do i design a controlled experiment to appropriately test a hypothesis?

Chemistry
1 answer:
Virty [35]3 years ago
3 0

Answer:

you need only one independent variable because if not, you wont know what factors have changed your experiment.

Explanation:

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molar mass of beryllium (Be) molar mass of silicon (Si) molar mass of calcium (Ca) molar mass of rhodium (Rh)
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3 years ago
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Name the 2 isomers of c7h16 that contain 2 methyl branches, each branch on a different carbon of the parent chain.
kupik [55]
There can be a lot of meanings for isomers. In this case, we are showing the structural isomers of C₇H₁₆. Based on the chemical formula, CₓH₂ₓ₊₂ it is an alkane. They only differ in the positions of methane branches in the parent carbon chain. Basing on the attached picture, the parent carbon chain is pentane for both isomers. But the methyl branches are on the 2nd & 4th, and 2nd & 3rd carbon for 2,4 - dimethylpentane and 2,3 - dimethylpentane, respectively.

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3 years ago
During the fission of uranium-235, neutrons are released and a small amount of mass is converted to energy. How many neutrons ar
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5 0
3 years ago
Help me guys ☹️please
Elza [17]

Answer:

Coriolis Effect

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The Coriolis Effect is caused by Earths rotation. We can not only see this affecting how winds move, but also where storms form and the movement of  oceans currents.

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3 years ago
The nucleus of an atom has what electric charge?​
omeli [17]

Answer: Positive charge

Explanation:

An atom consists of electron (negatively charged), Proton (Positively charged) and neutron (no charge).

The proton (+) and the neutron (no charge) are in the nucleus of the atom. this makes the resulting charge of the nucleus positive while electron (-) is outside the nucleus.  

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