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JulijaS [17]
2 years ago
6

The rate of energy production is referred to as Light Mass Power

Chemistry
1 answer:
Mumz [18]2 years ago
3 0

Answer:

The rate of energy production is referred to as power

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A heterogeneous mixture is a :
4vir4ik [10]
The correct answer is letter <span>C. mixture in which its components retain their identity. A heterogeneous mixture is a mixtures in which the component of the mixed are not uniform. You can see that there are localized regions that have different properties. The components have the capacity to retain their identity.</span>
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3 years ago
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A group 2 metal carbonate has a mass of 84 g/mol. Identify the group 2 metal X using its chemical formula.
zepelin [54]

Answer:

Magnesium

0.003mole

Explanation:

The problem here entails we find the metal in the carbonate.

 For group 2 member, let the metal  = X;

 The carbonate is XCO₃;

 If we sum the atomic mass of the elements in the metal carbonate, we should arrive at 84g/mol

 Atomic mass of C = 12g/mol

                            O  = 16g/mol

 Atomic mass of X + 12 + 3(16)  = 84

  Atomic mass of X  = 84 - 60  = 24g/mol

The element with atomic mass of 24g is Magnesium

B.

Number of moles in 0.3g of CaCO₃:

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 Number of moles = \frac{mass}{molar mass}  

 Number of moles  = \frac{0.3}{100}   = 0.003mole

7 0
3 years ago
Jenavius placed a marshmallow in the microwave to make a smore for desert. The marshmallow expanded when it was heated. How can
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The heat is expanding it from the inside it cooks from the inside out
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What type of radiation is most likely to damage DNA?<br> A. ionizing<br> B. non-ionizing
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B: non-ionizing

Explanation:

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Sheep are grazing animals that survive best in areas where there is plenty of grass.
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Grass contains water and sheep need water.
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