Chemistry, 15.01.2020 06:31 logan12345677885675
Glucose, c6h12o6, is a good source of food energy. when it reacts with oxygen, carbon dioxide and water are formed. how many liters of co2 are produced when 126 g of glucose completely react with oxygen? c6h12o6(s) + 6o2(g) → 6co2(g) + 6h2o(l) + 673 kcal
a.15.7 l
b.94.1 l
Answers: 1
Chemistry, 22.06.2019 07:30
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
Answers: 3
Chemistry, 22.06.2019 10:00
Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.
Answers: 1
Chemistry, 22.06.2019 12:10
Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Chemistry, 23.06.2019 00:30
Which radioisotope is used to date fossils? a. oxygen-16 b. carbon-14 c. uranium-238 d. carbon-12
Answers: 2
Glucose, c6h12o6, is a good source of food energy. when it reacts with oxygen, carbon dioxide and wa...
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