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Solnce55 [7]
3 years ago
10

Are these correct? Also, what is number 7?

Chemistry
2 answers:
crimeas [40]3 years ago
4 0
The protons and neutrons
Leona [35]3 years ago
4 0
Number 7. the answer is Protons and Neutrons
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What are the observed results of an experiment that occur from changes in independent variable
gayaneshka [121]
I believe it is the dependent variable b/c it is the thing(s) that is been observe or measure
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2 years ago
Which of the following rules should you follow to balance chemical equations?
Firdavs [7]

Answer:

c. add coefficients as needed

Explanation:

A chemical equation is defined as the equation that shows changes in a chemical reaction. A chemical equation consist of reactant and product, reactant is at left side of the arrow and product is at right side of the arrow.

Reactant => Product

While balancing a chemical equation, the basic rule is to balance the coefficient as required. Coefficient represents the number of molecules and is used at front of a chemical symbol. Change in coefficient helps balance the number of atoms or molecules of the substances on both the sides of the arrow.

Subscripts are never allowed to change because it can change the chemical involved in the reaction.

Hence, the correct answer is "c. add coefficients as needed".

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When iron reacts with oxygen what substance is produced?
zhannawk [14.2K]
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What you think would happen if global warming caused a decrease in all clouds
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Global warming is expected to cause changes in the amount of cloud cover, and the height and thickness of these clouds in the future, shifting the balance between the parasol and blanket effects of clouds. The knock-on effect this will have on temperature is known as cloud feedback

Explanation:

Global warming is expected to cause changes in the amount of cloud cover, and the height and thickness of these clouds in the future, shifting the balance between the parasol and blanket effects of clouds. The knock-on effect this will have on temperature is known as cloud feedback

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Water’s chemical formula is . One atom of bonded to two atoms of . The hydrogen atoms are to one side of the oxygen atom, result
xxTIMURxx [149]
Water’s chemical formula is H2O
One atom of oxygen bonded to two attached atoms of hydrogen.
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of charge on opposite ends of the molecule is called polarity

I hope this right and can help you!
7 0
3 years ago
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