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3 years ago

The study of metals and the process for refining and making things from them is called _____.

2 answers:

8 0

The study of metals and the process for refining and making things from them is called metallurgy. Metallurgy is said to be the scientific study both of the extraction and refining process of metals from their ores. This process includes steps such as grinding of the ore also called ore pulverization. Ore is crushed to increase its surface area for purpose of increasing the level of its reactivity. Sometimes, the ore is heated in the presence of oxygen to turn the ore into and oxide. This process is known as roasting.

slamgirl [31]3 years ago

5 0

the answer would be:

C. metallurgy

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Which of the following species has

Kisachek [45]

Answer:

see explanation...

Explanation:

Mg⁺²-24 Co⁺³-60 Clˉ-35

Protons (p⁺) 12 27 17

Neutrons (n⁰) 12 33 18

Electrons (eˉ) 10 24 18

12/2 : 12/2 : 10/2 27/3 : 33/3 : 24/3 #n⁰ = 18

6 : 6 : 5 9 : 11 : 8 #eˉ = 18

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3 years ago

2.0 kg of carbon is heated from 25°C to 55°C, and absorbs 42600 joules of heat in the process.

Marrrta [24]

Answer: c = 710 J/kg°C or 0.71 J/g°C

Explanation: Heat is expressed in the formula Q = mc∆T. Derive to find the specific heat c. So the formula will become c = Q / m∆T

c = Q / m∆T

= 42600 J / 2 kg ( 55°C - 25°C )

= 710 J /kg°C

Or can be expressed by converting kg to g.

c = 0.71 J /g°C

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MaRussiya [10]

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Ksenya-84 [330]

Hello!

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