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suter [353]
3 years ago
10

Which choice below correctly completes the sentence? _______ reaches the Earth's surface through _______, then turns into ______

_. A. Magma; earthquakes; lava B. Lava; earthquakes; magma C. Lava; volcanoes; magma D. Magma; volcanoes; lava
Chemistry
1 answer:
blondinia [14]3 years ago
4 0

Answer:

d , before the molten rock becomes lava, it is first magma, and most people know that lava is ejected from volcanoes

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Choices for images
BabaBlast [244]

One

Let's start by stating what we know is wrong. Equilibrium is achieved when the reactants and products have a stable concentration. That makes D incorrect. Equilibrium is not established until about the 6th or 7th second.

The fact that you get any products at all means that the reactants will become products.  Just who is favored has to be looked at very carefully. The products start very near 0. They go up until their concentration at equilibrium. When the reach equilibrium, the products have increased to 17. The reactants have dropped from 40 to 27. By a narrow margin, I would say the products are favored.

C is incorrect. There are still reactants left.  

E is incorrect. the reactants started out with a concentration of 40. The reaction is not instantaneous.  The concentration was highest at 40 or right at the beginning. This assumes that the reactants were mixed and the products were produced and the water/liquid amount has not changed.

B is incorrect. The concentration of the reactants is higher at equilibrium.

A is wrong. It is product favored.

I'm getting none of the above.

Problem Two

AgBr is insoluble (very). You'd have to work very hard to get them to separate into their elemental form. Just putting AgBr in water isn't enough. Lots of heat and lots of electricity are needed to get the elemental form.

I suppose you should pick B. Mass must be preserved. But if you balanced the equation, it would work with heat and electricity.



3 0
3 years ago
Read 2 more answers
What is the molecular weight of bromoform if 2.50X10^-2 mol weighs 6.33 g
babymother [125]
Jwwnsnsnxjxjdnsmzmmxzmzm
8 0
3 years ago
List two situations in which measurements have unlimited number of significant figures
GaryK [48]
Your answers would be, (Ex. 3*3*3*3....etc..).
(1), When measurements involving counting
(2), When measurement involves exactly defined quantities




Hope that helps!!!

5 0
3 years ago
ANSWER ASAP (20 POINTS)
SIZIF [17.4K]

Answer:

a chemical formula

Explanation:

5 0
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How do ions form bonds, and describe the structure of the resulting compound.​
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Answer:

Electrons are transferred between atoms together in the ionic compound. The ions are arranged in a regular repeating pattern in an ionic crystal

Explanation:

6 0
2 years ago
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