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Andru [333]
2 years ago
11

Diameter 28cm,pie22/7find the circumference​

Chemistry
1 answer:
lutik1710 [3]2 years ago
5 0

Answer:

88

Explanation:

2πr

radius=14/2=7

2×22\7*7=88

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Svetllana [295]

Answer:

a+b=C

Explanation:

8 0
2 years ago
Which of these observations helped Rutherford determine that atoms have tiny, dense, positively charged nuclei?
gladu [14]
The third reason helped Rutherford to discover the nucleus.
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3 years ago
Circulacion de electrones en un material conductor en determinado tiempo.
barxatty [35]

Answer:

falso

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tiempo no determinado El circulation de elctrones

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1 year ago
An experiment produced 0.10 g CO2, with a volume of 0.056 L at STP. If the accepted density of CO2 at STP is 1.96 g/L, what is t
Pachacha [2.7K]
The density of CO2 getting from experiment is 0.1/0.056 = 1.79 g/L. The percent error of this is (1.96 -1.79)/1.96*100%=8.67%. So the approximate percent error is 8.67%.
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3 years ago
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soldier1979 [14.2K]
I would say d
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5 0
3 years ago
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