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Arisa [49]
3 years ago
14

What is the heaviest non radioactive element?

Chemistry
1 answer:
Elanso [62]3 years ago
8 0
“Lead.” If you pose the same question to a chemist, they'll probably glance at the periodic table on the wall and respond “Bismuth.”
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Please answer asap!
hram777 [196]
1.) A compound is a thing that is composed of two or more (separate) elements.

2.) A compound cannot be separated easily, while its properties differ from where it originates from. It also is formed from chemical reactions.

3.) A pure substance, also known as chemical substance, is a material with constant composition and consistant properties.

4.) If a substance is not a pure substance, then it is an impure substance.

Hope this helped. :)
4 0
3 years ago
(台)what is the answer ​
alukav5142 [94]

Answer:

google chrome

Explanation:

it is the home button on the top left corner

3 0
2 years ago
What is the number of moles in 42 g of NaCl?
olganol [36]
B. 0.72 mol NaCl

http://www.convertunits.com/from/grams+NaCl/to/moles
8 0
2 years ago
Read 2 more answers
Help me answer this question pls
Nostrana [21]
The answer should be D all of the above
3 0
3 years ago
Read 2 more answers
Please help!! 20 points!! Posted this previously and forgot to change it to 20 points but it is now
spayn [35]

Answer:

0.571 mol

Explanation:

Given data:

Number of moles of NaHCO₃ = 0.571 mol

Number of moles of CO₂ produced = ?

Solution:

Chemical equation:

NaHCO₃ + C₃H₆O₃   →     CO₂  + C₃H₅NaO₃ + H₂O

Now we will compare the moles of CO₂ with NaHCO₃ from balance chemical equation.

                             NaHCO₃          :            CO₂

                                    1                :               1

                                 0.571            :            0.571

So number of moles of CO₂  produced are 0.571.

3 0
2 years ago
Read 2 more answers
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