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Slav-nsk [51]
3 years ago
8

What was one of the first series of event in the study of chemistry

Chemistry
1 answer:
baherus [9]3 years ago
7 0
Discovered and isolated radium and polonium in 1898
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Herbie left his house at 3:30 p.m. and arrived at Kit’s house at 5:00 p.m. The two boys live 7 miles apart. What was Herbie’s av
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Answer:

Step-by-step explanation:

Alright, lets get started.

Suppose they take t minutes to meet each other.

Distance covered by first friend in t minutes, = 0.2 *t=0.2∗t

Distance covered by second friend in t minutes , =0.15 *t=0.15∗t

Total distance is given as 7, so

0.2 t + 0.15 t = 70.2t+0.15t=7

0.35 t = 70.35t=7

t = 20t=20

means after 20minutes they will meet.

SO. the average speed is 10m: Answer

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The most negative electron affinity is most likely associated with which type of atoms?
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Why are the densities of corn syrup and gasoline expressed as a range of values?
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