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Pavel [41]
3 years ago
9

Final setup in scientific method

Chemistry
1 answer:
Mrrafil [7]3 years ago
3 0

Answer:

The final step is to <u>REPORT</u>!!!

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A Variable That Stays The Same In An Experiment Is A ?
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The variable that stays the same in an experiment is called the controlled variable

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Which of the following is a reason that a scientist would want to use a model to study DNA? A. DNA may not really exist
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What is (2.5x10²)² =
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Which of the following chemical equations proves that the law of conservation of mass is in effect?
bogdanovich [222]

Answer:

2KCl + F₂   →     2KF + Cl₂

Explanation:

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

This law was given by French chemist  Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

2KCl + F₂   →     2KF + Cl₂

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All other options are incorrect because mass is not conserved.

Mg₂ + LiBr ---> LiMg + Br

In this equation mass of magnesium is more on reactant side.

Na +O₂ ---> Na₂O

In this equation there is more oxygen and less sodium on reactant side while there is more sodium and less oxygen on product side.

H₂O ---> H₂ + O₂

In this equation there is less oxygen on reactant side while more oxygen on product side.

5 0
3 years ago
Help me i could fail this
Alina [70]

Answer:

1231231234124

Explanation:

3213+123124124

5 0
3 years ago
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