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lilavasa [31]
3 years ago
5

How many types of kinetic energies are there? is it 4 or 5 types?

Chemistry
2 answers:
Degger [83]3 years ago
6 0

Answer:

It's 5 mark as brainliest answer

spin [16.1K]3 years ago
4 0
There are five types of kinetic energy: radiant, thermal, sound, electrical and mechanical.
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Is atmosphere nitrogen denser than pure nitrogen​
marusya05 [52]

Answer:

Atmospheric nitrogen is not heavier than chemical nitrogen, largely because “chemical nitrogen” is ultimately derived from atmospheric nitrogen. On the other hand, you could be asking why the atomic mass of nitrogen is not the same as the mass of nitrogen gas; that's because gaseous nitrogen is diatomic, .

Explanation:

This is from Google.

Hope this helps :))

7 0
3 years ago
Consider the balanced equation of K I KI reacting with P b ( N O 3 ) 2 Pb(NOX3)X2 to form a precipitate. 2 K I ( a q ) + P b ( N
professor190 [17]

Answer: 50.7 grams

Explanation:

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}

a) moles of KI

\text{Number of moles}=molarity\times {\text {Volume in L]}=0.417M\times 0.528L=0.220moles

The balanced chemical equation is:

2KI(aq)+Pb(NO_3)_2(aq)\rightarrow PbI_2(s)+2KNO_3(aq)

KI is the limiting reagent as it limits the formation of product and Pb(NO_3)_2 is in excess.

According to stoichiometry :

2 moles of KI give =  1 mole of PbI_2

Thus 0.220 moles of KI give=\frac{1}{2}\times 0.220=0.110moles  of PbI_2

Mass of PbI_2=moles\times {\text {Molar mass}}=0.110moles\times 461.01g/mol=50.7g

Thus 50.7 g of PbI_2 will be formed.

6 0
3 years ago
Which of the following is NOT a way carbon dioxide returns to the atmosphere?
yawa3891 [41]

Answer:

emissions by factories is the answer

Explanation:

Factories produce air pollution which is polluted air, the other options

decay of organisms, photosynthesis (convert light energy into chemical energy - and returns CO2), and cellular respiration are all of the ways carbon dioxide returns to the atmosphere.

Hope this helped! Have a nice day, be safe and healthy :)

4 0
3 years ago
Which compound can inadvertently be created through the distillation process and can be fatal if consumed
ANTONII [103]

Answer:

lWhich compound can inadvertently be created through the distillation process and can be fatal if consumed?

Methanol

8 0
2 years ago
A scientist wants to perform a reaction in a vacuum chamber to control the experiment as much as possible and to prevent other v
Shalnov [3]

Yes, it is a correct approach because endothermic reactions absorb heat. In consequence, the amount of heat can be used to classify this reaction.

<h3>Endothermic and exothermic reactions</h3>

An exothermic reaction is a type of chemical reaction that releases heat, thereby increasing the temperature of its surrounding environment.

Conversely, an endothermic reaction can absorb heat, thereby cooling its surrounding environment.

In consequence, the amount of heat measured after the reaction can be indicative of the type of chemical reaction.

Learn more about endothermic reactions here:

brainly.com/question/6506846

8 0
2 years ago
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