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3 years ago

The _____ is one of the way paces where North America and Pacific Plates meet.

Chemistry

2 answers:

Morgarella [4.7K]3 years ago

8 0

Answer:

The ring of fire

Explanation:

The ring of fire is where they meet or at the fault lines

svetoff [14.1K]3 years ago

7 0

Ring of fire is correct

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Why are chemical equations balanced?

Inessa05 [86]

Answer:

Chemical equations need to be balanced so that they follow the law of conservation of mass.

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3 years ago

Chemical reactions will occur if the products are less stable than the reactants. true or false

rusak2 [61]

For the answer to the question above, Chemical reactions will occur if the products are less stable than the reactants

So, the answer to your question is True.
I hope my answer helped you. Feel free to ask more questions. Have a nice day!

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3 years ago

The solubility of o2 at 20c is 1.38 x10^-3. the partial presure of o2 in the air at sea level is 0.27 atm. using henery;s law, c

netineya [11]

Answer: The solubility of oxygen at 682 torr is $4.58\times 10^{-3}M$

Explanation:

To calculate the molar solubility, we use the equation given by Henry's law, which is:

$C_{A}=K_H\times p_{A}$

Or,

$\frac{C_{1}}{C_{2}}=\frac{p_{1}}{p_2}$

where,

$C_1\text{ and }p_1$ are the initial concentration and partial pressure of oxygen gas

$C_2\text{ and }p_2$ are the final concentration and partial pressure of oxygen gas

We are given:

Conversion factor used: 1 atm = 760 torr

$C_1=1.38\times 10^{-3}M\\p_1=0.27atm\\C_2=?\\p_2=682torr=0.897atm$

Putting values in above equation, we get:

$\frac{1.38\times 10^{-3}}{C_2}=\frac{0.27atm}{0.897atm}\\\\C_2=\frac{1.38\times 10^{-3}\times 0.897atm}{0.27atm}=4.58\times 10^{-3}M$

Hence, the solubility of oxygen gas at 628 torr is $4.58\times 10^{-3}M$

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3 years ago

What is the difference between a weak and strong base?

morpeh [17]

The answer is “Only some of the molecules of a weak base dissociate to produce hydroxide ions when mixed with water, but all of the molecules of a strong base dissociate to produce hydroxide ions”

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3 years ago

Which substance can not be broken down by a

Tomtit [17]

Answer: (3) silicon

Explanation:

Element is a pure substance which is composed of atoms of similar elements.It can not be decomposed into simpler constituents using chemical reactions.Example: Silicon (Si)

Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.It can be decomposed into simpler constituents using chemical reactions. Example: ethane $(C_2H_6)$ , propanone $(CH_3COCH_3)$ and water $(H_2O)$

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3 years ago