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inessss [21]
3 years ago
7

What are the three parts of the cell theory?

Chemistry
1 answer:
tamaranim1 [39]3 years ago
6 0
First cell theory. All living things are composed of cells.
Second cell theory. Cells are the basic unit of structure and function in living things.
Third cell theory. All cells are produced from other cells
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Binary ionic compound of calcium and oxygen
Vlad1618 [11]
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Methanol (CH3OH) has a heat of fusion of 3.16 kJ/mol. Which of the following is the heat of solidification that occurs when 64 g
Alexandra [31]
To determine the heat dissipated when a substance freezes, we multiply the heat of fusion of the substance to the mass of the substance that freezes. We calculate as follows:

Heat = -3.16 (64/32.06) = - 6.32 kJ

Hope this answers the question.
5 0
3 years ago
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What common item can detect the presence of radiation? A. Bleach B. A roll of photographic film C. LED watch D. Baking soda
Alenkinab [10]

Answer: B- a roll of photographic film

Explanation:

Founders education answer

6 0
2 years ago
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How many g of CO2 can be produced from 256 g Fe2O3?
kotykmax [81]

Answer:

if i consider this reaction

Fe2O3+ 3CO---》2Fe+ 3CO2

so let's calculate first moles of Fe2O3 i.e. = 256/159.69= 1.6 moles

So the one moles of Fe2O3 is forming three moles of CO2

hence 1.6 moles will form 4.8 moles of CO2

one mole of CO2 is 44 g so 4.8 moles of Co2 is 44×4.8= 211.2 g

so the conclusion is 211.2 g of CO2 can be produced from 256 g Fe2O3!!

i d k it's right or wrong but i tried my best :)

7 0
2 years ago
The element whose atomic number is 13 has how many valence electrons electron configuration
RideAnS [48]
It is in Group 3A = 3 valence electrons

Electron Config. = 1s2 2s2 2p6 3s2 3p1
4 0
2 years ago
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