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kozerog [31]
3 years ago
15

Question 38 (1 point)

Chemistry
1 answer:
Fiesta28 [93]3 years ago
8 0

Answer: Protons because they have a positive charge.

Explanation:

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If an ideal gas has a pressure of 2.97 atm, a temperature of 449 K, and has a volume of 58.35 L, how many miles of gas are in th
soldi70 [24.7K]
N = ?

T = 449 K

V = 58.35 L

P =2.97

R = 0.082

Use the clapeyron equation:

P x V = n x R x T

2.97 x 58.35 = n x 0.082 x 449

173.2995 = n x 36.818

n = 173.2995 / 36.818

n = 4.70 moles

hope this helps!



7 0
3 years ago
How many grams are in 4 moles of H2O?​
ivanzaharov [21]

Answer:

There are 72grams in 4 moles of H20

8 0
2 years ago
Which element has the smallest mass on the periodic table? *<br> O<br> H<br> Pb<br> He<br> Mg
Norma-Jean [14]

Answer:

That should be Hydrogen.

So The second option Is legit!

5 0
3 years ago
List and discuss at least 4 reasons why a laboratory should operate using GLP.
Drupady [299]

Answer:

The list and discussions are stated below:

Explanation:

Good Laboratory Practice (GLP) is extremely important.

1. Organization

With GLP we can guarantee an organized work environment, which is essencial in a laboratory.

2. Safety

GLP promotes laboratory safety for personell, avoiding unecessary risks and preventing accidents.

3. Quality control

GLP ensures that experiments made and products developed in a laboratory have the demanded quality.

4. Reliability of results

GLP promotes quality of results reporting, wich directly influences the reliability of results.

7 0
3 years ago
I’m lost for this question
Natasha2012 [34]
An element is all the same thing. Pure, if you will. 

The first one is definitely an element. The second would be a compound (it's atoms are different colors). I would say the last one is an element, since it has ll the same color of atoms. 

I hope this helped you! If you have anymore questions, feel free to ask me. 
7 0
3 years ago
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