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2 years ago

_ _ _ _ _ P _ _ _ _ _ _ _ mediums allow light to pass through

Chemistry

1 answer:

koban [17]2 years ago

5 0

Answer:

I thought the answer was " T R A N S P A R E N T " but I don't know what the extra two letters are! I'm sorry, that's all I've got..

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Citric acid (h3c6h5o7) is a product of the fermentation of sucrose (c12h22o11) in air. determine the mass of citric acid produce

Alex

2.50 x 2/1 = 5 mol of Citric Acid
5 x (3+72+5+112) = 960g of Citric Acid

Answer: 960g of Citric Acid

6 0

3 years ago

Read 2 more answers

Suppose a solution is described as concentrated. Which of the following statements can be concluded? Select the correct answer b

Novosadov [1.4K]

Answer:

last option: none of the above.

Explanation:

Describing a solution as concentrated tells that the solution has a relative large concentration, but it is a qualitative description, not a quantitative one, so this does not tell really how concentrated the solution is. This is, the term concentrated is a kind of vague; it just lets you know that the solution is not very diluted, but, as said initially, that there is a relative large amount (concentration) of solute.

One conclusion, of course, is that the solute is soluble: else the solution were not concentrated.

On the other hand, the terms saturated and supersaturated to define a solution are specific.

A saturated solution has all the solute that certain amount of solvent can contain, at a given temperature. A supersaturated solution has more solute dissolved than the saturated solution at the same temperature; superstaturation is a very unstable condition.

From above, there is no way that you can conclude whether a solution is supersaturated or not from the statement that a solution is concentrated, so the answer is none of the above.

5 0

3 years ago

HELP ME PLEASE LIKE FRRR

g100num [7]

Answer:

http://hyperphysics.phy-astr.gsu.edu/hbase/Biology/imgbio/treecycle.p ng

Explanation:

8 0

3 years ago

Which of the following is NOT a way carbon dioxide returns to the atmosphere?

yawa3891 [41]

Answer:

emissions by factories is the answer

Explanation:

Factories produce air pollution which is polluted air, the other options

decay of organisms, photosynthesis (convert light energy into chemical energy - and returns CO2), and cellular respiration are all of the ways carbon dioxide returns to the atmosphere.

Hope this helped! Have a nice day, be safe and healthy :)

4 0

2 years ago

Consider a buffer solution that is 0.50 M in NH3 and 0.20 M in NH4Cl. For ammonia, pKb=4.75. Calculate the pH of 1.0 L of the so

vladimir2022 [97]

You have 0.50 mol of NH3 and 0.20 mol of NH4+ to start (NH4Cl dissolves completely), given the molarity and 1.0 L solution.

30.0 mL of 1.0 M HCl is 0.0300 mol of HCl. This will react with the NH3 to produced 0.030 mol of NH4+.

You now have 0.47 mol NH3 and 0.23 mol NH4+. Now use the Henderson-Hasselbach equation to calculate your pH. The equation says to use concentration of acid and base, but you can just use the moles of them because it doesn’t make a difference.

pH = pKa + log(base/acid)

pKa = 14 - pKb = 14 - 4.75 = 9.25

pH = 9.25 + log(0.47/0.23) = 9.56

5 0

3 years ago

___ ___ ___ ___ ___ P ___ ___ ___ ___ ___ ___ ___ mediums allow light to pass through

_ _ _ _ _ P _ _ _ _ _ _ _ mediums allow light to pass through