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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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3 years ago
How many protons, neutrons, and electrons are present in an atom of zinc, Zn, with a mass
postnew [5]
Location the element zinc (Zn) on the periodic table:
Group number : 12
Period number : 4
Block : d block
Element : Transition elements.
Part 2:
Protons in an atom of Zn: 30
Part 3:
Electrons in a Zn atom: 30
Part 4 :
Neutron in an atom of Zn: 35
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3 years ago
Which is an example of a non aqueous solution
damaskus [11]

Answer: gasoline

Explanation:

An aqueous solution is one which contains water as a solvent. A non- aqueous solution is the one in which the solvent of the solution is a liquid but it is not water.

Among the options given, gasoline is the correct option. This is because of the fact that gasoline is a crude oil which does not include water as an ingredient.

3 0
3 years ago
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The energy diagram illustrated in the model corresponds to what student B
KatRina [158]

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