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alekssr [168]
4 years ago
10

Is Weight Measurement a phenomenon?

Chemistry
2 answers:
r-ruslan [8.4K]4 years ago
7 0

im pretty sure the awnser is yes

Yuki888 [10]4 years ago
6 0

Answer:

yes

Explanation:

it change everything

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Two chemical bonds unite three atoms into a molecule, what type of bonds are they
marishachu [46]

Answer:

They are covalent bond.

Explanation:

For example; Water which is formed by the combination of 2 hydrogen and 1 oxygen and both are non-metal element.

7 0
3 years ago
Does the temperature of water affect how fast salt dissolves
gulaghasi [49]
Yes just like with sugar and water temperature affects the process and warmer water causes faster dissolution.
5 0
4 years ago
1. If a solution of sodium chloride has 22.3 g of
lina2011 [118]

<u>We are given:</u>

Mass of NaCl in the given solution = 22.3 grams

Volume of the given solution = 2 L

<u></u>

<u>Number of Moles of NaCl:</u>

We know that the number of moles = Given mass / Molar mass

Number of moles = 22.3 / 58.44 = 0.382 moles

<u></u>

<u>Molarity of NaCl in the Given solution:</u>

We know that Molarity of a solution = Moles of Solute / Volume of Solution(in L)

Molarity = 0.382 / 2

Molarity = 0.191 M

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7 0
3 years ago
Write the net ionic equation for this precipitation reaction. Include physical states. ( NH 4 ) 2 CO 3 ( aq ) + Ca ( ClO 4 ) 2 (
Bad White [126]

Answer:

The net ionic equation:

Ca^{2+}(aq)+CO_{3}^{2-}(aq) \rightarrow CaCO_{3}(s)

Explanation:

The given chemical reaction is as follows.

(NH_{4})_{2}CO_{3}(aq)+Ca(ClO_{4})_{2}(aq) \rightarrow CaCO_{3}(s)+2NH_{4}ClO_{4}(aq)

The total ionic equation is as follows.

2NH_{4}^{+}(aq)+ CO_{3}^{2-}(aq)+Ca^{2+}(aq)+2ClO_{4}^{-}(aq) \rightarrow CaCO_{3}(s)+2NH_{4}^{+}(aq)+2ClO_{4}^{-}

Similar ions on the both sides of the reaction will be cancelled.

The remaining reaction is

Ca^{2+}(aq)+CO_{3}^{2-}(aq) \rightarrow CaCO_{3}(s)

Therefore, the net ionic reaction is as follows.

Ca^{2+}(aq)+CO_{3}^{2-}(aq) \rightarrow CaCO_{3}(s)

8 0
4 years ago
Please help me with this problem.
brilliants [131]
1 μL = 10^-6 L by definition

So...
82 μL = 82x10^-6 L = 8.2x10^-5 L


3 0
3 years ago
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