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Ainat [17]
3 years ago
8

What is the effect of water on rock melting?

Chemistry
1 answer:
NeTakaya3 years ago
3 0

Option a  is the correct answer

When the temperature of the rock rises above the melting point of minerals present in the rock results in melting of rock.

Rock contains different types of minerals having different melting points. Thus,  not all the parts of rock melts at same time. Some of the minerals melt at high temperatures whereas some of the minerals melt at low temperatures. Hence, decrease in melting temperature and increase in melting temperatures due to water depends upon the composition of rock.

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Name every block in mc
maks197457 [2]

Answer:

  • Andesite.
  • Bedrock.
  • Basalt. Smooth.
  • Blackstone.
  • Gilded.
  • Calcite.
  • Cobblestone.
  • Mossy.
  • Deepslate.
  • Diorite.
7 0
2 years ago
Read 2 more answers
Which type of mixture can be separated using magnetism?
Sergeu [11.5K]

Answer: The correct option is heterogeneous mixture whose components are attracted differently to a magnet.

Explanation: There are two types of mixtures:

1) Homogeneous mixtures: In these mixtures, the particles are uniformly distributed throughout the mixture. These particles cannot be separated.

2) Heterogeneous Mixtures: These are the mixtures where the particles are visible separated and are not-uniformly distributed. These particles can be separated easily.

If magnet is used to separate the components of a mixture, the heterogeneous mixtures will only get separated.

To separate the components by a magnet, the components of a mixture should attract the magnet differently. One component should attract the magnet and another should not. Hence, they can be easily separated.

5 0
3 years ago
Calculate the heat change involved when 2.00 L of water is heated from 20.0/C to 99.7/C in
IgorC [24]

Answer:

669.48 kJ

Explanation:

According to the question, we are required to determine the heat change involved.

We know that, heat change is given by the formula;

Heat change = Mass × change in temperature × Specific heat

In this case;

Change in temperature = Final temp - initial temp

                                       = 99.7°C - 20°C

                                       = 79.7° C

Mass of water is 2000 g ( 2000 mL × 1 g/mL)

Specific heat of water is 4.2 J/g°C

Therefore;

Heat change = 2000 g × 79.7 °C × 4.2 J/g°C

                      = 669,480 joules

But, 1 kJ = 1000 J

Therefore, heat change is 669.48 kJ

7 0
3 years ago
If a jar of honey sits for a long time, sugar may crystallize in the jar. Describe two possible causes for the crystallization.
n200080 [17]
Dryness and temperature are the primary reasons but also the type of honey.
3 0
3 years ago
The use of thermite for welding produces an
Sveta_85 [38]

Answer:

C. grinding the reactants into finer grains

Explanation: I just took the assignment.

8 0
2 years ago
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