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Ber [7]
3 years ago
15

Answer fast please What system is the heart part of

Chemistry
2 answers:
natita [175]3 years ago
7 0

Answer:

A. Circulatory System

Lyrx [107]3 years ago
6 0
The heart is a part of the Circulatory system.
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allochka39001 [22]
1. The reaction is exothermic.

2. I know this because the delta H is a negative number. (-802.4 kJ)

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What is the formula of the ionic compound composed of element X^2+ and element Y^-3?​
mihalych1998 [28]

Answer: X3Y2

Explanation:

The formula is

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Biphenyl and benzene are common side products in this gringard reaction. explain at which points in the purification procedure t
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In organic chemistry, a reaction in which the Grignard reagents or organometallic substances are added to organic compounds such as aldehydes and ketones to form alcohol is known as Grignard reaction.

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If you need to learn more about Biphenyl and benzene click here:

brainly.com/question/4336669

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How many atoms of Mg are present in 97.22 grams of Mg?
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Answer:

b.......

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b.....

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