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shutvik [7]
3 years ago
13

The muscles of the body are part of the muscular system but would not operate without the _______ system providing the impulses

that cause the muscles to act.
Chemistry
1 answer:
MatroZZZ [7]3 years ago
5 0

Answer:

The nervous system

Explanation:

The nervous system send messages from the brain to the muscles to move.

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How many grams are in 2.30 x 10^24 atoms in silver
PtichkaEL [24]

411.984 grams

The atomic mass of Silver is 107.8682 by the periodic chart I have here. That means that 1 mole of Silver masses

107.8682 grams if the Silver is pure.

I mole of any element like silver is also 6.022 X 10^23 atoms of silver.

10^24 atoms is therefore more than a mole. You specified

2.3 x 10^24 atoms, so the number of moles will be

(2.3 X 10^24)divided by 6.022 X 10^23 = 3.819 moles

this number X 107.8682 grams/mole gives us 411.984 grams

4 0
3 years ago
How many moles of silver oxide (l) are needed to produce 4 moles of silver?
ozzi

The number of moles of silver oxide (I) needed to produce 4 moles of silver is 2 moles

<h3>Stoichiometry </h3>

From the question, we are to determine the number of moles of silver oxide (I) needed to produce 4 moles of silver

First, we will write the balaced chemical equation for the decomposition of silver oxide (I)

2Ag₂O(s) → 4Ag(s) + O₂(g)

This means, 2 moles of silver oxide (I) [Ag₂O] decomposes to give 4 moles of <u>silver </u>and 1 mole of oxygen gas.

From the <em>balanced chemical equation</em>, it is easy to deduce the number of moles of silver oxide (I) that would give 4 moles of silver.

Hence, the number of moles of silver oxide (I) needed to produce 4 moles of silver is 2 moles

Learn more on Stoichiometry here: brainly.com/question/18834543

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2 years ago
True or False? You can observe physical properties of matter without changing the identity of the substance
sdas [7]
True it is true a

true
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What does frequency describe? A.distance from crest to crest or from trough to trough on a wave B.Number of waves that pass a gi
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