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Wewaii [24]
2 years ago
10

Give a Convincing Argument that muscles are alive because they are made out of cells

Chemistry
1 answer:
lesantik [10]2 years ago
8 0
I think they are alive bc they are in a living body with cells
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Brad is testing three solutions with litmus paper. After dipping the litmus paper strips in the solutions, he observes two paper
otez555 [7]
After dipping the litmus paper strips in the solutions, the answer to the question is that one is acidic because according to brad's observation on turned red and the others are basic or alkaline with the two papers turning blue.
4 0
3 years ago
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How many significant digits does the number 700 have?
OLga [1]

Answer: 700 has one significant figure which is 7.

Explanation: These are some rules for significant figures

•All non-zero digits are significant: 1,2,3,4,5,6,7,8,9

•Zero between non-zero digits are significant: They are three significant figures in 203.

•Leading zeros are not significant: There are two significant figures in 0.56.

•Trailing zero to the right of decimal are significant. There are four significant figures in 62.00

•Trailing zeros in a whole number with the decimal shown are significant: This makes "700." three significant figures.

•Trailing zeros in a whole number with no decimal shown are not significant: This makes 700 one significant figure.

5 0
3 years ago
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How much energy is required to evaporate grams of water?.
gregori [183]

Answer:

energy known as the latent heat of vaporization is required to break the hydrogen bonds. At 100 °C, 540 calories per gram of water are needed to convert one gram of liquid water to one gram of water vapour under normal pressure.

Explanation:energy known as the latent heat of vaporization is required to break the hydrogen bonds. At 100 °C, 540 calories per gram of water are needed to convert one gram of liquid water to one gram of water vapour under normal pressure.

5 0
2 years ago
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Calculate number of CO2 molecules in 0.250 mol of co2
Anna11 [10]
Carbon's molar mass is 12gm

Oxygen's molar mass is 16gm

So CO2 molar mass is 44gm

Hence 1mol of CO2 contains 44gm
There 1/4mol of CO2 contains 44/4=11gm.

Hope it helps
8 0
3 years ago
PLEASE HELP<br> Which is a true of a molecule?<br> Quesion 3 <br> PLEASE HELP
insens350 [35]
The last one. A bond of two or more of the same element.
5 0
2 years ago
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