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leonid [27]
3 years ago
10

A given mass of air has a volume of 8.00 L at 60.0°C. At constant pressure, the temperature is increased to 80.0°C. Calculate th

e final volume for the gas.​

Chemistry
1 answer:
AleksandrR [38]3 years ago
5 0

Answer:

D. 6.00 L

Explanation:

What we have here is an example of Boyle's Law. The equation here is P₁ · V₁ = P₂ · V₂. We know all of the values except for V₂.

60(8) = 80V

<em>Multiply 60 by 8 to get 480.</em>

480 = 80V

<em>Divide both sides by 80.</em>

480/80 = V

6 = V

The final volume for the gas is 6.00 L.

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notsponge [240]

Answer:

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Explanation:

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6 0
3 years ago
Show, in a step by step fashion, your calculations to determine the percent
marusya05 [52]

The percent  by volume of a solution : 19.23%

<h3>Further explanation</h3>

Given

50 ml of ethanol

210  ml of water

Required

The percent  by volume of a solution

Solution

Percent Volume (% v/v) : volume (ml) of solute/100 ml of solution ⇒ ratio of the volume of the solute to total volume of the solution

\tt \%solute(v/v)=\dfrac{solute~volume}{solution~volume}\times 100\%

solute= Ethanol

solvent=water

Solution = solute+solvent

Total volume of the solution :

\tt =volume~of~Ethanol+solume~of~water\\\\=50~ml+210~ml\\\\=260~ml

Percent by volume :

\tt \%volume=\dfrac{50}{260}\times 100\%\\\\\%volume=19.23\%

8 0
3 years ago
Which piece of lab equipment listed below would be the best for measuring the volume of a liquid.
notka56 [123]
The answer is a graduated cylinder
4 0
2 years ago
X, Y, Z là ba axit cacboxylic đơn chức cùng dãy đồng đẳng (MX &lt; MY &lt; MZ), T là este tạo bởi X, Y, Z với một ancol no, ba c
irina1246 [14]
Yeah sure why not dude
8 0
3 years ago
If the following elements were to form ions, they would attain the same number of electrons as which noble gas? As , Be , O , S
Verdich [7]
<h3><u>Answer;</u></h3>

As, & Sr --------[Kr]

Be ------------------- [He]

O, & Mg ----------[Ne]

S, & Ca -------------[Ar]

<h3><u>Explanation</u></h3>
  • <u>The Be+ ion has 2 electrons, just like He. The ions Mg2+ and O2− each has 10 electrons like Ne. </u>
  • <u>The S2− and Ca2+ each has 18 electrons like Ar. The ions As3− and Sr+ each have 36 electrons like Kr.</u>
  • <u>Atoms of elements lose or gain electrons to attain a stable configuration which is equivalent to the configuration of noble gases.</u>
  • When atoms lose or gain electrons they form ions, which are either positively charged or negatively charged. When atoms lose electrons they form positively charged ions while if they gain electrons the form negatively charged ions

4 0
4 years ago
Read 2 more answers
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