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IrinaVladis [17]
3 years ago
9

A reaction involves the parts of two compounds switching places to form two new compounds. What type of reaction is this?

Chemistry
1 answer:
In-s [12.5K]3 years ago
5 0

Double Displacement would be correct

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Sex-linked disorders occur more frequently in males than females because males have two X chromosomes and females have two Y chr
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This is false because males have 1 X and 1 Y chromosome. It's females who have 2 X chromosomes. So, it's false.
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Given the reaction that occurs in an electrochemical cell:
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Answer:

c) +2 to 0

Explanation:

SO4 has a charge of -2, so the Cu attached to that has to be a +2 since the polyatomic molecule has no overall charge

Cu(s) is a solid metal and they have no charge, therefore it is zero

Copper undergoes Oxidation (gain of electrons)

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3 years ago
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What is the pressure in a 24.0-LL cylinder filled with 32.7 gg of oxygen gas at a temperature of 319 KK? Express your answer to
Blizzard [7]

Answer:

The pressure in that cylinder = 1.12atm

Explanation:

We use general gas law to calculate it. General gas law is gotten by combining Boyle's law, Charles' law and Avogadro's law. Thus

P = nRT/V

Where n = number of moles

R = the gas constant

T is the Temperature, V is the volume and P is the pressure.

Given: T = 319K, V = 24L, R = 0.0821 L.atm/K.mol

The first step is to find n using

n = mass of O2/molar mass of O2

=32.7/32

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8 0
3 years ago
Nitrogen has an average atomic mass of 14.00674. it has two isotopes, n-14 and n-15, with atomic masses of 14.0031 amu and 15.00
masya89 [10]
In this case, we are going to assume that there are 100 atoms to make things easier. 

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14.0031*(100-R) + 15.001 * R= 14.00674 
1400.31-14.0031R+15.001R=1400.674
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R=0.3648

Then, the abundance of n-15 is 0.3648%

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2 years ago
At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the product? Explain you
My name is Ann [436]

Answer:

shur the fuiick stuiipid bgiigtch

Explanation:

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