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max2010maxim [7]
2 years ago
15

Rosa listed some advantages and disadvantages of using renewable resources.

Chemistry
2 answers:
serious [3.7K]2 years ago
6 0

Answer:

B) Wind does not easily generate a lot of electricity!  

Just took the quiz

Explanation:

Lilit [14]2 years ago
3 0

Wind is a very reliable energy resource

Geothermal energy causes a lot of air pollution.

Geothermal energy is available everywhere.

Explanation:

Renewable energy source is an energy source that can easily be replenished as it is being used up.

The continuous usage does not affect its availability.

There are various sources of renewable energy like wind, water, solar, biomass, geothermal.

  • Geothermal energy is not available everywhere. It is limited to places where heat from within the earth can be harnessed on the surface.
  • This energy source is a clean source of energy. It does not cause environmental pollution of any sort.
  • Wind energy is not very reliable. On windy days, the output is very large. On days that are not windy, little amount of energy will be produced.

learn more:

Non - renewable resource brainly.com/question/3386515

#learnwithBrainly

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An experiment to measure the enthalpy change for the reaction of aqueous
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Given that, an experiment to measure the enthalpy change for the reaction of aqueous copper(II) sulfate, CuSO4(aq) and zinc, Zn(s) was carried out in a coffee cup calorimeter; the heat of the reaction in the whole system is calculated to be 2218.34 kJ

Heat of reaction (i.e enthalpy of reaction) is the quantity of heat that is required to be added or removed when a chemical reaction is taken place in order to maintain all of the compounds present at the same temperature.

The formula used to calculate the heat of the reaction can be expressed as follows:

Q = mcΔT

where:

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From the information given:

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The number of moles of CuSO₄ = 1.00 mol/dm³ × 50.0 cm³

\mathbf{= (1 \times \dfrac{50}{1000})\ moles}

= 0.05 moles

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Then;

Using the relation:

\mathbf{number \ of \ moles = \dfrac{mass}{molar \ mass}}}

By crossing multiplying;

mass of CuSO₄ = number of moles of CuSO₄ ×  molar mass of CuSO₄

mass of CuSO₄ = 0.05 moles  × 159.609 g/moles

mass of CuSO₄ = 7.9805 grams

∴

Using the formula from above:

Q = mcΔT

Q = 7.9805 g × 4.18 kJ/g °C × 66.5° C

Q = 2218.34 kJ

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<h3>The treatment and disposal of Mercury:</h3>

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