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Strike441 [17]
4 years ago
5

Copper is an example of a(n)

Chemistry
2 answers:
expeople1 [14]4 years ago
7 0

copper is not a stone, copper is not a consumption resource, and copper is not renewable, that means that :

d. nonrenewable resource

Explanation:

A nonrenewable source is a source of economic value that cannot be immediately displaced by natural means on a level equal to its destruction. Most fossil fuels, such as oil, natural gas, and coal are estimated nonrenewable resources in that their use is not sustainable because their production takes billions of years.

satela [25.4K]4 years ago
5 0

copper is not a stone, copper is not a consumption resource, and copper is not renewable, that means that

d. nonrenewable resource

is the answer

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Chloroplasts aid in carrying out the process of photosynthesis to produce food for the plants. 


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3 years ago
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Determine the freezing point of a solution that contains 78.8 g of naphthalene (C10H8, molar mass = 128.16 g/mol) dissolved in 7
slavikrds [6]

Answer:

0.74°C

Explanation:

The freezing point depression is a colligative property that can be calculated using the following expression.

ΔTf = Kf . b

where,

ΔTf: depression in the melting point

Kf: freezing point depression constant

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The mass of the solvent (benzene) is:

722mL.\frac{0.877g}{mL} =633g=0.633kg

The moles of solute (naphtalene) are:

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The molality of naphtalene is:

b=\frac{0.615mol}{0.633kg} = 0.972mol/kg

ΔTf = Kf . b

ΔTf = (4.90°C/m) . 0.972m = 4.76°C

The melting point of the solution is:

5.50°C - 4.76°C = 0.74°C

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3 years ago
What does unicellular mean
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Which of the following correctly describes globalization? (1 point)
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According to the context, globalization is the process of integration among individuals, businesses and governments.

<h3>What is globalization?</h3>

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