03/14/19

Does keeping different types of medications in one pill bottle affect their quality?
I take a number of different medications and herbal supplements. Because keeping separate containers in my pocketbook is cumbersome, I've been combining them together in the same prescription... more
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03/14/19

Does keeping different types of medications in one pill bottle affect their quality?
I take a number of different medications and herbal supplements. Because keeping separate containers in my pocketbook is cumbersome, I've been combining them together in the same prescription... more
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03/14/19

Calculate the heat energy exchanged when 27.8 g of liquid mercury at 25.00 °C is converted to solid mercury at its melting point.
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03/14/19

What is the biological mechanism underlying caffeine intolerance? (CYP1A2 or other?)?
As far as I can tell, caffeine metabolism occurs primarily via the CYP1A2 enzyme. I am curious as to whether mutations in the CYP1A2 gene are associated with caffeine intolerance. Some site that... more
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03/14/19

What is the biological mechanism underlying caffeine intolerance? (CYP1A2 or other?)?
As far as I can tell, caffeine metabolism occurs primarily via the CYP1A2 enzyme. I am curious as to whether mutations in the CYP1A2 gene are associated with caffeine intolerance. Some site that... more
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03/14/19

Compatibility drugs info?
Let's suppose that I take a DrugA for ProblemA and then I got this ProblemB and started to take DrugB. Are there general rules I can look up to figure out whether I can take DrugA & DrugB... more
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03/14/19

Migraines and tryptophan?
One theory about migraines is that it is triggered by dropping serotonin levels. One medication, sumatriptan, acts by raising serotonin acting as a reuptake inhibitor. Since tryptophan is converted... more
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03/14/19

How exactly does marijuana damage brain cells?
I've heard that THC can cause permanent damage to brain cells. I've also heard this reffered to anti drug propaganda. Another theory i've read is that temporary effects reduce intelligence but long... more
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03/14/19

I have six pounds of flour. I used 1/5. How much is left
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03/14/19

Do different liquids evaporate at the same rate?
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03/14/19

Do different liquids evaporate at the same rate?
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03/14/19

Lithium fluoride, LiF, is a salt formed from the neutralization

Lithium fluoride, LiF, is a salt formed from the neutralization of the weak acid hydrofluoric acid, HF, with the strong base lithium hydroxide. Given that the value of Ka for hydrofluoric acid... more
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03/14/19

Can medicines which expired a month ago be consumed safely?
I have few expensive nutritional supplements which expired in April (as in the label). Can I still consume it in May?Of course, consuming expired medicines is not advised. However, can't they be... more
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03/14/19

What is it called when two or more different elements combine in a fixed proportion?
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03/14/19

Which is an example of an organic compound?
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03/14/19

Why does each successive ionization of an electron requires a greater amount of energy?
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03/14/19

If you have 200 mL of a 60% sodium chloride solution,
how much NaCl is dissolved in the solution?
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03/14/19

Long term use of stomach acid reducers: Omeprazole or Ranitidine?
I find omeprazole (Prilosec, Losec) and ranitidine (Zantac) work about equally well for stomach acid reduction. For long term daily use, which is safer?
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03/14/19

Why should I degas my gel solution for polyacrylamide gels?
In protocols for polyacrylamide gel electrophoresis (PAGE) I often see instructions to degas the gel solution by putting it under vacuum for 10-15 minutes before polymerizing the gel. I usually... more
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03/14/19

What is the atomic mass of an atom containing 42 protons, 42 electrons, and 37 neutrons?
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03/14/19

how many moles of water are in 49.6 grams of H2O
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03/14/19

How do probiotic bacteria from yogurt or nutritional supplements survive the very acidic stomach environment to do you any good in your gut?
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03/14/19

how many grams of water contain 1.56x10^24 molecules of water
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03/14/19

Question asking for energy of combustion?
Calculate the energy of combustion per gram of Olive Oil (kJ/g) if 30.7 mL of water is placed in the test tube and the temperature changes from 22.9 ºC to 44.6 ºC. The initial mass of the spirit... more
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03/13/19

Why are pH levels between 0 and 14 only, not 15 and higher?
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