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Anarel [89]
3 years ago
6

Help please ? Thank you

Chemistry
1 answer:
olasank [31]3 years ago
3 0

Answer:

40J

Explanation:

I think about that why I don't know what is the answer

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Looking at page 14 of the earth science tables, how does the temperature change as a balloon rises through the Troposphere Strat
givi [52]

Answer:

Decreases

Explanation:

The temperature decreases when latitude increases.

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2 years ago
How many electrons would be found in an isotope of silicon 29
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14 electrons15 neutrons
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3 years ago
What is the molar mass of CaCl2?
alekssr [168]
Molar mass of CaCl2 = 40+ ( 35.5 ×2)=110

Mr of Ca(OH)2 = 40+ (16+1)×2 =74

%of Ca = (40÷ 74)×10=...

1 m = 100cm...
1cm = (1÷100) m
So 45.5 cm = 45.5 ×(1÷100) =....

1km = 1000m
1m = 100 cm
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So 1km = 1000×100×10 mm
Now convert
7 0
3 years ago
What is the number of protons in the nucleus of the atom
aleksklad [387]

Answer: It depends on the element.

Explanation: Every element has a different amount of protons in its nucleus. It is the same as its atomic number on the periodic table. For example: Hydrogen has an atomic number of 1 because it has 1 proton in its nucleus, Helium has 2, Carbon has 6, Platnium has 78, and so on...

3 0
1 year ago
When you put aspirated spinach leaf disks in a beaker of sodium bicarbonate and place them in different colors of light, some di
juin [17]

The release of O₂( oxygen) from the process of photosynthesis is what made them to be able to float.

<h3>What is Photosynthesis?</h3>

This is referred to as the process in which green plants manufacture their food in the presence of sunlight which is trapped by chlorophyll.They are known as primary producers and they use compounds such as water and carbondioxide.

The reactants mentioned above undergo series of reactions which leads to the production of glucose and oxygen is given off as a result which is the element responsible for the floating of the aspirated spinach leaf disks in this scenario.

Read moire about Photosynthesis here brainly.com/question/19160081

#SPJ1

3 0
1 year ago
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