Chemistry, 11.12.2019 04:31 jourdanpress

Glucose is produced in plants through the process of photosynthesis according to the following balanced equation. 6 co2 (g) + 6 h2o (l) →c6h12o6 (aq) + 6 o2(g) what mass of glucose will be produced if 13 moles of carbon dioxide react?

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Answer from: madison6592

390.34 g of glucose will be produced if 13 moles of carbon dioxide react.

Explanation:

Moles of carbon dioxide = 13 moles

According to the reaction shown below:-

$6 CO_2_{(g)} + 6 H_2O_{(l)}\rightarrow C_6H_{12}O_6_{(aq)} + 6 O_2_{(g)}$

6 moles of carbon dioxide are required to produce 1 mole of glucose

Also,

1 mole of carbon dioxide is required to produce $\frac{1}{6}$ mole of glucose.

So,

13 moles of carbon dioxide are required to produce $\frac{1}{6}\times 13$ mole of glucose.

Moles of glucose produced = 2.1667 moles

Molar mass of glucose = 180.156 g/mol

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$2.1667\ mole= \frac{Mass}{180.156\ g/mol}$

$Mass_{glucose}= 390.34\ g$

390.34 g of glucose will be produced if 13 moles of carbon dioxide react.

Answer from: Quest

i think a, hope it .

explanation:

Answer from: Quest

Answer: abeexplanation:

1. the question asks the most appropriate, which seems to rule out "all of the above." your choice appears to be the correct one.

2. the protocol described is good for identifying correlation, but not cause and effect. for cause/effect, you need to devise a protocol that will assign the treatment (or not) to groups that have essentially the same "demographics" with respect to all the other variables. your choice regarding control group seems appropriate. random assignment of treatment (choice d) may be appropriate also. (i think you can argue that b and d are just different descriptions of the same method.)

3. d will randomize the birds, but may not guarantee there are 10 in each group. e will do both, so seems the better choice.

comment on question 2

based on the problem statement, it seems clear that confident, attentive drivers are more likely to use daytime running lights. so, the protocol might need to be devised in such a way that the lights would be turned on or off without the driver's knowledge. (an attentive driver will figure it out.) assigning a confident, attentive driver to a group required to drive without running lights might mess with his/her confidence and attentiveness. you don't want your experiment to do that. (nor do you want the experiment to subject a driver to greater risk of accident as a consequence of driving without running lights.) experiments involving human safety are always problematic.

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