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lauren6687
01.04.2021 •
Chemistry
Urpi and Manco are playing a game where they flip a fair coin four times and try to predict the outcomes. Using the sample space of possible outcomes listed below, answer each of the following questions.
What is
P
(
A
)
P(A)P, left parenthesis, A, right parenthesis, the probability that the second flip is heads?
What is
P
(
B
)
P(B)P, left parenthesis, B, right parenthesis, the probability that the fourth flip is heads?
What is
P
(
A
and
B
)
P(A and B)P, left parenthesis, A, start text, space, a, n, d, space, end text, B, right parenthesis, the probability that the second flip is heads and the fourth flip is heads?
Are events
A
AA and
B
BB independent?
Choose 1
Choose 1
(Choice A)
A
Yes, events
A
AA and
B
BB are independent events.
(Choice B)
B
No, events
A
AA and
B
BB are not independent events.
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Ответ:
Ответ:
single replacement reaction
This reaction is called a single replacement reaction. This is because aluminum is more reactive than copper so replaces copper to form aluminum nitrate.
This is because aluminum is more reactive than copper so replaces copper to form aluminum nitrate. Therefore, as aluminum is less reactive than potassium it will not replace potassium to form aluminum nitrate but will replace copper as it is more reactive than copper.
Explanation: