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Aleks [24]
3 years ago
7

How is your day today?

Chemistry
2 answers:
aleksley [76]3 years ago
5 0

Answer:

kul and yours hope it was great

Delvig [45]3 years ago
4 0

Answer:

nice

Explanation:

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Sorry I need to ask question
3 0
3 years ago
How many moles are in 20g of potassium (K)?
otez555 [7]

Explanation:

Hi for this one u just need to remember and use the equation.

moles =  \frac{mass}{mr}

then u find mr of potassium which is 39.1.

then u do

\frac{20}{39.1}

you get the answer as 0.5115 write ur answer to 3 significant figures which will be 0.512 moles .

hope this helps :)

7 0
3 years ago
A container of water and an equal-sized container of oil are heated at the same rate. After several minutes, the temperature of
PSYCHO15rus [73]

Answer: It takes more energy to increase the temperature of water than to increase the temperature of oil.

Explanation:

yes

3 0
3 years ago
Which element makes up most of the air we breathe.
labwork [276]
Gasses the most abundant natural occurring gas is nitrogen which makes up 78% of the air.
7 0
2 years ago
What is the number at the end of an isotope’s name?
Taya2010 [7]

Explanation:

5 I don't know what is the answer if I got it wrong

8 0
3 years ago
Read 2 more answers
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