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ozzi
3 years ago
8

Which characteristics do photosynthesis and cellular respiration have common

Chemistry
1 answer:
zheka24 [161]3 years ago
3 0
Cellular respiration is performed by the mitochondira; it turns glucose or food to energy that the cell can use. Photosynthesis is performed by chloroplast and is only found in plant cells; it turns the sun's energy to glucose which can be turned into energy for the plant.  
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Which is an example of a solution?
Rudiy27
The answer is C. Salt and water is a solution 
3 0
3 years ago
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Which of the following lists the correct symbol for the ion that tin forms when it loses 2 electrons, the correct classification
ser-zykov [4K]

Answer:

\huge\boxed{\sf Option \ A}

Explanation:

The symbol for TIN is Sn.

When Sn loses 2 electrons, it gets a double positive charge ( +2 ) and becomes \sf Sn ^{+2}.

It becomes a cation.

The name of Ion is Tin ( II ) Ion.

\rule[225]{225}{2}

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<h3>~AH1807</h3>
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3 years ago
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What is the total number of moles represented by 20 grams of CACO3
Nutka1998 [239]

Answer:

B. 0.2.

Explanation:

  • We can use the relation:

<em>n = mass/molar mass</em>

mass of CaCO₃ = 20 g, molar mass of CaCO₃ = 100.0869 g/mol.

<em>∴ n = mass/molar mass = </em>(20 g)/(100.0869 g/mol) <em>= 0.1998 ≅ 0.2 mol.</em>

<em></em>

<em>So, the right choice is: B. 0.2.</em>

8 0
3 years ago
fire transfers heat by ___, meaning some heat rises, and ___, meaning some heat goes out in every direction.
Kazeer [188]
Fire transfers heat by CONVECTION, meaning some heat rises, and FALL, meaning some heat goes out in every directions.




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7 0
3 years ago
Plz HElp!!!!
valentina_108 [34]

Answer:

Substance 4

Explanation:

Density is defined as mass per unit volume. A substance floats in another when its density is less than that of the substance on which it floats.

If an object is immersed in a denser liquid, it will sink

Since the density of water is 1 g/cm^3, any substance whose density is less than that of water will float in it.

If we look at the table, substance 4 has a density of 0.5g/cm^3. Hence, substance 4 is expected to float in water.

7 0
3 years ago
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