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Veseljchak [2.6K]
3 years ago
9

Which of the following is a homogeneous mixture of two or more pure substances? Water alcohol coffee mercury

Chemistry
1 answer:
Murrr4er [49]3 years ago
8 0

i think coffee

is the answer

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Determine the percentage of carbon and hydrogen in ethane C2H6 if the molecular weight is 30.
Naddika [18.5K]

Answer:

Percentage of carbon:

{ \tt{ =  \frac{24}{30}  \times 100\%}} \\  = 80\%

Percentage of hydrogen:

{ \tt{ =  \frac{6}{30}  \times 100\%} } \\  = 20\%

8 0
3 years ago
The maximum number of electrons in a single d subshell is:
son4ous [18]

10 electrons

Explanation:

The maximum number of electrons in a single d-subshell is 10 electrons.

The d-notation stands for an azimuthal quantum number or secondary quantum number.

This subshell can only accommodate a maximum of 10 electrons.

d- subshell has five orbitals

Each orbital is able to accommodate 2 electrons.

 Therefore 5 x 2 = 10 electrons

learn more:

Atomic orbital brainly.com/question/1832385

#learnwithBrainly

7 0
3 years ago
HELP HELP ME PLSS
Akimi4 [234]

Answer:

the average answer in maybe 60

6 0
3 years ago
What is the treatment and disposal of Mercury<br>​
PIT_PIT [208]
<h2>Hey there! :) </h2>

<h3>The treatment and disposal of Mercury:</h3>

  • Heating and incineration can release the mercury vapor into atmosphere causing atmospheric pollution. The process of solidification and disposal into secured landfill, gas phase recovery of mercury, and thermal treatment is gaining interest in mercury treatment and recovery field by various researchers and industries.
<h2>HOPE IT HELP YOU </h2>
4 0
2 years ago
Which of the following describes a solution of 1 gram of salt dissolved in 500 mL of water?
Greeley [361]

Answer:

B

Explanation:

Homogeneous= all particles are dissolved thoroughly

Solute= 1 gram of salt

Solvent= 500 mL water

8 0
3 years ago
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