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Taya2010 [7]
3 years ago
15

Stuck on question 22

Chemistry
1 answer:
Klio2033 [76]3 years ago
7 0
The answer is c. because you have to increase concentration of h2
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Why can’t elements be separated into smaller parts using chemical means?
fenix001 [56]
Why can't elements be separated into smaller parts using chemical means? Too much energy is required, since you'd have to break them down into protons, neutrons, and electrons. You can get this much energy together with nuclear reactions, but not by chemical means.
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3 years ago
What time of the year can you see Scorpius
enyata [817]

Answer:

In the northern hemisphere I believe, Scorpius is most visible by looking to the south during July and August around 10:00 PM. The constellation remains visible until mid-September. In the southern hemisphere, Scorpio appears very high in the northern part of the sky until close to the end of September.

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If the sea floor is spreading,why is the Earth not getting bigger?
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3 years ago
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What is the current in 160V current if the resistance is 20
Karo-lina-s [1.5K]

Answer:

Current, I = 8 A

Explanation:

We have,

Voltage, V = 160 V

Resistance, R = 20 ohms

It is required to find the current. The relation between current, voltage and resistance is called Ohm's law. It is given as :

V=IR

I = current

I=\dfrac{V}{R}\\\\I=\dfrac{160}{20}\\\\I=8\ A

So, the value of current is 8 A.

7 0
3 years ago
n order to balance the following reaction S n+Cl 2→ S nCl 4, which coefficient should be inserted in front of chlorine?
victus00 [196]

Answer:

The coefficient that should be inserted in front of chlorine is 2

Explanation:

Sn  +  2Cl₂   →  SnCl₄

As we have 4 atoms of chlorine in product side, we need 4 Cl in reactant side.

Chlorine is a diatomic atom, so if we have 2 mol of it, we are having 4 atoms of Cl.

The law of conservation of mass must be respected in every chemical equation

4 0
3 years ago
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