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Gnom [1K]
2 years ago
6

Why is it expensive to bring electricity into urban areas?

Chemistry
1 answer:
amid [387]2 years ago
4 0

Answer:

Power plants are not located in cities. Power has to travel a long distance over power lines to reach cities.

Explanation:

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What is Chemistry and is it an applied or pure science subject?​
elixir [45]

Answer:

Explanation:

Chemistry is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions. And The difference between Applied and Pure Sciences is that Applied Sciences focuses on the scientific knowledge of nature, it is more related to engineering and technology. Pure sciences is more related to theories and predictions to understand the world of nature, often performed in a laboratory.

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4 0
3 years ago
Calculate the number of moles in the 2.1-L volume of air in the lungs of the average person. Note that the air is at 37.0ºC (bod
adelina 88 [10]
Answer: 0.0826mol

PV=nRT
n=PV/RT
n=(1atm)(2.1L)/(310K)(0.082057L*atm/mol*K)=0.0826mol
7 0
3 years ago
What is the percent lithium in lithium nitrate?
seropon [69]

Answer:

Around 60%

Explanation:

4 0
3 years ago
How many particles are present in 8.0 moles of silver?
Zielflug [23.3K]

Answer:the answer is b

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3 0
2 years ago
C3H8 + 5 O2 → 3 CO2 + 4 H2O<br> What is the number of atoms on each side of the equation?
Roman55 [17]

Answer: 1.2642*10²⁵ on both sides

Explanation:

First check how many moles are there on each side.
Since this is a balanaced equataion the number of moles on each side is the same thus the number of atoms is also same on both sides

There are 3 moles of carbon and 8 moles of hydrogen in C3H8
and 2 moles of oxygen in O2 but there 5 infront so 2*5 is 10
Number of moles on the right is 10+8+3 = 21

Now use Avogrado's constant

21 Moles* (6.02*10²³)/Mol
= 21*6.02*10²³

= 1.2642*10²⁵

6 0
2 years ago
Read 2 more answers
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