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fredd [130]
2 years ago
7

Select all the statements that are TRUE about igneous rocks:

Chemistry
1 answer:
Leya [2.2K]2 years ago
7 0

Answer:

Intrusive rocks are formed by slow cooling lava/magma.

Igneous rocks are always formed from lava/magma.

Explanation:

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In which process are simple materials chemically combined to form more complex materials?
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6 0
2 years ago
I have attached all the problems, but really if you just do one so I understand how to do it, that would be great!
Ivahew [28]

Answer:

Answer of question a is 345J.

Explanation:

In question a following is given in data:

-mass of iron (m) = 10.0 g

-temperature (ΔT) = final temperature- initial temperature= 100-25=  75 degree Celsius

-Specific Heat capacity of iron (c)= 0.46J/g°C.

Heat (Q)=?

Solution:

Formula for Heat is :

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so, 345 joules of heat is needed to increase the temperature of 10 grams of iron.

  • From the above formula all other questions can easily be solved from the same procedure.
4 0
3 years ago
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