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Nuetrik [128]
2 years ago
5

Which of the following indicates that a chemical reaction system has reached equilibrium?

Chemistry
1 answer:
navik [9.2K]2 years ago
4 0
D) if stuff is changing then the reaction is hardly in equilibrium is it? Everything is just chilling at equilibrium so there would be constant concentration
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Hot, solid rock in the Earth's crust a. is cooler than surface lava because of the pressure of overlying rock. b. maintains unif
mrs_skeptik [129]

Answer:

d. may melt if heat is transferred to it from hot mantle rock rising up into the crust.

Explanation:

Hot, solid rock in the Earth's crust is a solid outer region of the Earth, Underneath the Earth Structure lies the mantle which is composed of solid rocks especially granite and basalt. The mantle is very hot and may melt if heat is transferred to it from hot mantle rock rising up into the crust therefore forming a molten magma. It may even be hotter (and not cooler as it was stated in the option A which makes it the wrong answer) than the surface lava because of the pressure of the overlying rock. As such, This effect is seen when a volcanic eruption occurs.

3 0
3 years ago
In the molecule of SO2 there are two pie bonds these are formed Due to
Aleks [24]
These are formed when, after formation of the first atom, the pi-orbitals of Sulfur and Oxygen align and share another pair of electrons. This occurs between sulfur and both of the oxygen atoms, with each oxygen atom forming one pi-bond.
4 0
3 years ago
When performing labratory experiments, which of the following items is ALWAYS necessary to use?
densk [106]
All of the the answers are are correct but a fume hood is more for if you are dealing with chemicals that can produce fumes the are deadly to people
3 0
3 years ago
8. Which is a nonrenewable resource?
butalik [34]

Answer:

Coal

Explanation:

Once it's all been mined, there's no more. It's not like we grow it.

5 0
2 years ago
Read 2 more answers
A balance reads an object A to be 45.1 kg. The balance reads another object B to be 33.46 kg. What is the total weight of both o
postnew [5]

Answer:

The total weight of both object is 78.56 kg.

Explanation:

Given data:

Mass of object A = 45.1 kg

Mass of object B = 33.46 kg

Total weight of object = ?

Solution:

Total weight of both subject must be the sum of weight of object A and B.

Total weight of objects = weight of object A + weight of object B

Now we will put the values of mass of object A and B.

Total weight of objects = 45.1 kg + 33.46 kg

Total weight of objects =78.56 kg

Thus the total weight of both object is 78.56 kg.

7 0
3 years ago
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