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Andrei [34K]
3 years ago
9

Determine from the balanced chemical reaction if the derived mole ratio is correct or incorrect.

Mathematics
1 answer:
RideAnS [48]3 years ago
5 0

It's incorrect. There are 6 moles of NaBr produced for every 3 moles of Na₂S among the reactants (as well as 2 moles of FeBr₃), so the mole ratio of NaBr to Na₂S should be 2 : 1, not 1 : 1.

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Determine whether the events are independent.Numbers are written on slips of paper in a hat; one person pulls out a slip of pape
mamaluj [8]

Answer:

Not independent

Explanation:

Two events are not independent/dependent if the result of one event affects the outcome of the other. In the case above, numbers are picked without replacement, therefore if one slip is picked then the other slip will be picked(slips are picked only once not twice or more as in independent events). Events would be independent if there was a replacement.

8 0
3 years ago
4. Use the equation A = bh to calculate the
Snowcat [4.5K]

Answer:

4

Step-by-step explanation:

36 = 9*h

9*h = 36

h = 36/9

h = 4

3 0
3 years ago
(08.06)The following data show the weight, in ounces, of 10 different bags of candy: 10 3 7 3 4 21 6 10 1 2 4 After removing the
hoa [83]

Answer:

B) is correct; on average, each bag of candy has a weight that is 2.6 oz different than the mean weight of 5 oz.

To find the mean absolute deviation, we first find the mean.  Find the sum of the data points and divide by the number of data points (without the outlier, 21, in it):

(10+3+7+3+4+6+10+1+2+4)/10 = 50/10 = 5

Now we find the difference between each data point and the mean, take its absolute value, and find their sum:

|10-5|+|3-5|+|7-5|+|3-5|+|4-5|+|6-5|+|10-5|+|1-5|+|2-5|+|4-5| =

5+2+2+2+1+1+5+4+3+1 = 26

We now divide this by the number of data points:

26/10 = 2.6

This is a measure of how much each bag of candy varies from the mean.

4 0
3 years ago
Read 2 more answers
Select all factors of the following polynomial:
Lena [83]

Step-by-step explanation:

4p³ + 36p² + 32p

= 4p(p² + 9p + 8)

= 4p(p + 1)(p + 8).

8 0
3 years ago
40 percent of what number equals 19.2
worty [1.4K]
You can get the number by dividing 19.2 by 0.40

The number is 19.2/0.40 = 48
3 0
3 years ago
Read 2 more answers
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