2 years ago

An element which forms an oxide that dissolves in water to form an acidic solution.

Chemistry

1 answer:

zzz [600]2 years ago

8 0

Answer:

An Alkaline solution should be the answer to that.

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for the reaction C+2H2= Ch4 how many molecules of hydrogen are required to produce 14 grams of methane Ch4?

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Answer:

mass of CH4 = 14

Molecular mass of CH4 16.04gmol

No of mole of CH4 = 14/16.04

No of mole of CH4 = 0.8728mol

Stoichiometrically, from the above

2 Molecules of Hydrogen will produce 1molecule of methane

Therefore, 2*0.8728 mole of Hydrogen will produce 0.8728mol of Methane.

The no of molecule of hydrogen is 1.7456

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2 years ago

12. Draw the lewis structure for the element to help you answer the question *

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Answer:hope it helps

Explanation:

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2 years ago

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.

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2 years ago

How many electrons does calcian have to gain or lose to have 8 valence electrons

skelet666 [1.2K]

Answer:

two electrons

Explanation:

Calcium atoms will lose two electrons in order to achieve the noble gas configuration of argon.

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1 year ago

If your school said no rules wut would you do

VLD [36.1K]

Answer:

please add more info into your response

Explanation:

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1 year ago