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A student places the two crystals in cold water. Will the reaction take place faster or slower than if the student had used warm water?
A student is trying to write down the reaction for the lead and potassium switching. Which of the following is the best answer?
A student wants to see the effect that the size of the dish has on the experiment. She places two crystals each in a separate small dish and two in...
ACT Aspire Science: Writing Chemical Reaction Equations 0 Views
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Description:
A student is trying to write down the reaction for the lead and potassium switching. Which of the following is the best answer?
Transcript
- 00:00
Yeah Oh yeah Okay Next Weird science question A student
- 00:08
is trying to write down the reaction for the lead
- 00:10
and potassium switching Which of the following is the best
- 00:13
answer All right Christo One plus one Potassium iodide All
- 00:19
right well there's a hard one Well this question is
Full Transcript
- 00:21
all about chemicals but there's no need to be a
- 00:23
chemistry wizard here From the description of the experiment we
- 00:27
learned that the students used potassium iodide and lead nitrate
- 00:31
Well the other two choices that involved Crystal one and
- 00:34
water are not specific enough to this information included in
- 00:37
the description Right So we could just get rid of
- 00:40
a and C right off the bat And finally there's
- 00:43
no reaction that shows that potassium iodide and lead nitrate
- 00:47
lead to water So it really be like where that
- 00:51
come from Yeah So the right one is D here
- 00:55
Potassium iodide plus lead nitrate Lied to potassium nitrate plus
- 00:59
lead iodide Right The queens that ever not true A
- 01:02
equals a something like that Well that's it D equals 00:01:05.75 --> [endTime] D here
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