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lakkis [162]
4 years ago
6

A drug is administered at a rate of 13.5 cL/hour. What is this rate in µL/s?

Chemistry
1 answer:
lawyer [7]4 years ago
4 0

Answer:

A drug administered at a rate of 13.5 cL/hour has a rate in μL/s of 37.5 μL/s

Explanation:

The given rate at which the blood is administered  = 13.5 cL/hour

The rate at which the question asked to be administered = μL/s

The conversion factor between cL and μL is given as follows;

1 cL = 10,000 μL

Which gives;

13.5 cL/hour × 10,000 μL/cL × 1 hour/(60 × 60 seconds) = 37.5 μL/s

Therefore, a drug administered at a rate of 13.5 cL/hour has an administration rate of 37.5 μL/s.

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Could you have identified a physical property of a substance before you performed the activity? Explain.
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This is further explained below.

<h3>What is physical property?</h3>

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How many grams of Fe can be produced when 6.50 g of Fe2O3 reacts?
AveGali [126]

Answer:

Mass of Fe produced = 4.468 g

Explanation:

Given data:

Mass of Fe produced = ?

Mass of Fe₂O₃ react = 6.50 g

Solution:

Chemical equation:

2Fe₂O₃        →     4Fe + 3O₂

Number of moles of Fe₂O₃ ;

Number of moles = mass/molar mass

Number of moles = 6.50 g/159.69 g/mol

Number of moles = 0.04 mol

Now we will compare the moles of iron and ironoxide.

                    Fe₂O₃             :             Fe

                         2                :              4

                       0.04             :             4/2×0.04 = 0.08 mol

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Mass = 0.08 mol × 55.85 g/mol

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3 years ago
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