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OverLord2011 [107]
4 years ago
5

Write structures for the three isomers of the aromatic hydrocarbon xylene, C6H4(CH3)2.

Chemistry
1 answer:
levacccp [35]4 years ago
5 0

Answer:

Explanation:

Xylene exists as 3 isomers like Ortho ,para and meta xylenes

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30.0 grams of NaNO3 is dissolved in water to make a 5.00 L solution. What is the molarity of the solution?
Morgarella [4.7K]

Answer:

Molarity= 0.071M

Explanation:

Molar mass of NaNO3= 23+14+(16*3)=85

n= m/M = 30/85= 0.353mol

V= 5L

Applying

n= CV

0.353= C×5

Simplify

C= 0.071M

4 0
3 years ago
What is the mass of 564 liters of oxygen in kilograms?
Alika [10]
One kg of oxygen is 0.3977 liters so:

6 0
3 years ago
If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted
Bond [772]

Answer:

369.4 g.

Explanation:

  • The chemical reaction of reacting hydrogen with oxygen to produce water is:

<em>H₂ + 1/2 O₂ → H₂O.</em>

  • From the law of conservation of mass states that <em>the mass does not destroyed or created from nothing but it can converted from from to another one.</em>
  • The mass of the reactants = the mass of the products

∴<em> The mass of hydrogen + the mass of oxygen = the mass of water.</em>

∴ The mass of oxygen = the mass of water - the mass of hydrogen = (416.0 g) - (46.6 g) = 369.4 g.

7 0
3 years ago
The ammonia solution that is purchased for a stockroom has a molarity of 15 M. Determine the volume of 15 M NH3(aq) that must be
lys-0071 [83]

<u>Answer:</u> The volume of stock solution of ammonia that is needed is 48.67 mL

<u>Explanation:</u>

To calculate the volume of stock solution, we use the equation:

M_1V_1=M_2V_2

where,

M_1\text{ and }V_1 are the molarity and volume of the stock ammonia solution

M_2\text{ and }V_2 are the molarity and volume of diluted ammonia solution

We are given:

M_1=15M\\V_1=?mL\\M_2=1.46M\\V_2=500mL

Putting values in above equation, we get:

15\times V_1=1.46\times 500\\\\V_1=\frac{1.46\times 500}{15}=48.67mL

Hence, the volume of stock solution of ammonia that is needed is 48.67 mL

4 0
4 years ago
16 - x at x = 5 <br><br> evaluate the expression - single variable or wtv
LiRa [457]

Answer:

16-x=16-5

=11

Hope it helps!

7 0
3 years ago
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