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Alex777 [14]
3 years ago
13

[Fill in the blank] ____ is a process that could be used to separate dissolved particles from the liquid in a solution. A____cha

nge occured when a metal changed color because it reacted with another substance. A material with a shape that remains unchanged when it is moved from one container to another is a(n)____
Chemistry
1 answer:
Klio2033 [76]3 years ago
5 0
Any filtration or distillation <span> is a process that could be used to separate dissolved particles from the liquid in a solution.

</span>chemical change occured when a metal changed color because it reacted with another substance.<span> 

</span><span>A material with a shape that remains unchanged when it is moved from one container to another is a </span>solid 
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Nitration of 1,4−dimethylbenzene (p−xylene) gives a single product having the molecular formula c8h9no2 in high yield. draw this
GarryVolchara [31]
Structure is in document below.
The mononitration of p-xylene can be easily carried out at 30 degrees C.
Para-xylene<span> (</span><span>p-xylene</span><span>) is an </span>aromatic hydrocarbon, <span>one of the three </span>isomers<span> of </span>dimethylbenzene. Para-xylene is colorless and highly flammable, not acutely toxic and has some <span>narcotic effects.</span>
Download docx
8 0
3 years ago
Can somebody please help me!!!!
Anarel [89]

Answer:

Friston to energy

Explanation:

Friction to Energy as its a energy stooping the object form moving

5 0
2 years ago
5. Which pair of elements would combine to forin an ionic compound?
Natasha_Volkova [10]
C.silicon and oxygen is the answer
5 0
2 years ago
Y = 57.15 − 0.5 X If Y equals 5 , what is X ?<br><br> Then is Y=3, what is X?
Fiesta28 [93]

When y equals 5, x is 104.3

When y equals 3 then x is 108.3

<em><u>Solution:</u></em>

<em><u>Given expression is:</u></em>

y = 57.15 - 0.5x

<h3><u>If y equals 5 what is x ?</u></h3>

Substitute y = 5 in given expression

5 = 57.15 - 0.5(x)

5 = 57.15 - 0.5x

0.5x = 57.15 - 5

0.5x = 52.15

Divide both sides by 0.5

x = 104.3

Thus when y equals 5, x is 104.3

<h3><u>If y = 3 what is x ?</u></h3>

Substitute y = 3 in given expression

3 = 57.15 - 0.5(x)

3 = 57.15 - 0.5x

0.5x = 57.15 - 3

0.5x = 54.15

Divide both sides by 0.5

x = 108.3

Thus when y equals 3 then x is 108.3

7 0
3 years ago
A solution was made by adding water to 0.250 g of H2Z until the volume totaled 25.00 mL. Subsequent titration required 40.50 mL
Brilliant_brown [7]

Answer:

123 g/mol

Explanation:

Let's consider the neutralization reaction.

H₂Z(aq) + 2 NaOH(aq) → Na₂Z(aq) + 2 H₂O(ℓ)

The moles of NaOH that reacted are:

40.50 \times 10^{-3} L \times \frac{0.100molNaOH}{1L} =4.05\times 10^{-3} molNaOH

The molar ratio of H₂Z to NaOH is 1:2. The moles of H₂Z that reacted are:

4.05\times 10^{-3} molNaOH \times \frac{1molH_{2}Z}{2molNaOH} =2.03\times 10^{-3} molH_{2}Z

The molar mass of H₂Z is:

\frac{0.250gH_{2}Z}{2.03\times 10^{-3} molH_{2}Z} =123g/mol

7 0
3 years ago
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