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Zepler [3.9K]
2 years ago
8

A substance that does not dissolve in a solvent is said to be:

Chemistry
1 answer:
Snowcat [4.5K]2 years ago
8 0
A is the I think 83388
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Please answer both questions.
Deffense [45]

Answer:

1)Krypton

2)11H

Explanation:

electrons=protons

protons=atomic number

mass number=protons+neutrons

mass number is the superscript

atomic number is the subscript.

1)The answer is Krypton because its atomic number= number of protons=number of electrons is 36.

mass number is 46+36=82.

2)subscript=atomic number=number of protons=number of electrons

i. H = electrons=1

=neutrons=0

ii. Cl=electrons=17

=neutrons=35-17=18

iii. Na=electrons=11

=neutrons=23-11= 12

so the answer is Hydrogen because it has 1 electron and 0 neutron.

I hope this helps.

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2 years ago
During hydrolysis, ___________ must be added before the bonds can be broken. (look at flash animation on hydrolysis)
Dvinal [7]
Water must be added to break the bond

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Marta_Voda [28]

Answer:

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Explanation:

Unconfined aquifers are those into which water seeps from the ground surface directly above the aquifer. Confined aquifers are those in which an impermeable dirt/rock layer exists that prevents water from seeping into the aquifer from the ground surface located directly above.

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3 years ago
The sphere is the layer of the earth that contains a mixture of gases
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Omoze layer I know this

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A common misconception people have is that sugar is energy and energy is sugar but you know better. Create a clear explanation t
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