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mr Goodwill [35]
3 years ago
11

How many valence electrons are there in an argon atom?

Chemistry
1 answer:
Evgen [1.6K]3 years ago
6 0

Answer:

eight

Explanation:

Hence, from the above given configuration it is clear that the number of valence electrons in the Argon atom is eight.

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What is the percent yield of LiCl if I produced 30.85g LiCl and my theoretical yield was calculated to be 35.40g LiCl?
marissa [1.9K]

Answer:

87.15%

Explanation:

To find percent yield, we can use this simple equation

\frac{Actual}{Theoretical} *100

Where "Actual" is the amount in grams actually collected from the reaction, and "Theoretical" is, well, the theoretical amount that should have been produced.

They give us these values, so to find the percent yield, just plug the numbers in.

\frac{30.85}{35.40} *100\\\\ =87.15

So, the percent yield is 87.15%

An easy trick to remember how to do this is just to divide the smaller number by the bigger number and move the decimal back two places. If you have a percent yield greater than 100%, something is wrong in the reaction.

7 0
3 years ago
What amount of heat energy would be necessary to raise the temperature of 100 g of water at room temperature (25°C) to the boili
Stells [14]

Answer:

7.5 kcal

Explanation:

1.0 cal /g-C   * 100 g * (100- 25 C) = 7500 cal = 7.5 kcal

4 0
3 years ago
Is salt water a element
Likurg_2 [28]

no  an example of an element is like hydrogen oxygen carbon

7 0
3 years ago
What are solenoids......????​
MrRissso [65]

Yo sup??

Solenoids are a kind of bar magnet.

The have low coercivity and low retentivity

The are made by taking a soft iron core and covering it with a coil.

Hope this helps.

6 0
3 years ago
Read 2 more answers
Describe a light year.<br> Help ASAP please, doing an exam..
Romashka [77]

Answer:

Light-year is the distance light travels in one year. Light zips through interstellar space at 186,000 miles (300,000 kilometers) per second and 5.88 trillion miles (9.46 trillion kilometers) per year

Explanation:

Hope it helps

6 0
3 years ago
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