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Margarita [4]
3 years ago
14

What is the difference between material resources and energy resources?

Chemistry
1 answer:
Luba_88 [7]3 years ago
7 0
Mineral resources are solid, crystalline substances made inside the Earth. These include granite, marble, limestone and precious stones which are used for jewellery. Minerals are used to make all sorts of different things which we use every day. Energy resources are things we can use to turn into electrical power.
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The mass number of Fe is 56 . how many neutron are there in a single Fe atom
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Answer:

30 neutrons

Explanation:

Since the mass of the iron nuclide is 56 , there must be 56−26=30 neutrons, 30 massive, neutral particles in this iron nucleus.

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How can a scientist make sure that the results are not a mistake in an experiment?
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Repeat trials multiple times
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If you start with 30 moles of O2, how many moles of SiO2 can you make?
Ivanshal [37]

Answer:

30moles of SiO₂

Explanation:

Given parameters:

Number of moles of O₂  = 30moles

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The reaction is balanced;

      1 mole of O₂ will produce 1 mole of SiO₂

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