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White raven [17]
3 years ago
6

A patient needs to take 625 mg of ibuprofen twice daily. The pills in the bottle are each 250. mg. How many pills does the patie

nt need to take each time she wants the 625 mg dosage? Assume that these pills are scored and can be cut in half if necessary.
Express the number of pills numerically in decimal form.
Chemistry
2 answers:
WINSTONCH [101]3 years ago
5 0
2 and a half
250 x 2 =500
250/2=125
and 125 is a half of 250
so your answer is
2 and a half
sashaice [31]3 years ago
5 0

Answer:

2 and a half

250 x 2 =500

250/2=125

and 125 is a half of 250

so your answer is

2 and a half

Explanation:

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Most of the sulfur used in the United States is chemically synthesized from hydrogen sulfide gas recovered from natural gas well
galben [10]

Answer:

0.21\ \text{kg/s}

Explanation:

P = Pressure = 0.48\ \text{atm}=0.48\times 101325\ \text{Pa}

V = Volume = 450\ \text{L/s}=450\times 10^{-3}\ \text{m}^3/\text{s}

R = Gas constant = 8.314\ \text{J/mol K}

T = Temperature = (264+273.15)\ \text{K}

The reaction is

2H_2S+3O_2\rightarrow 2SO_2+2H_2O

From ideal gas equation we have

PV=nRT\\\Rightarrow n=\dfrac{PV}{RT}\\\Rightarrow n=\dfrac{0.48\times101325\times 450\times 10^{-3}}{8.314\times (264+273.15)}\\\Rightarrow n=4.9\ \text{mol}

Moles of SO_2 produced is

\dfrac{2}{3}\times 4.9=3.267\ \text{moles}

Molar mass of SO_2 = 64.066 g/mol

Production rate is

3.267\times 64.066=209.3\ \text{g/s}=0.21\ \text{kg/s}

The rate at which sulfur dioxide is being produced 0.21\ \text{kg/s}.

3 0
2 years ago
Describe how you would prepare exactly 80 ml of a 0.2 M solution of glycerol in water. The molecular weight of glycerol is 92.1
poizon [28]
You would ask bill nye he prolly know
3 0
3 years ago
Order the levels of organization from the smallest (1) to the largest (4).
yKpoI14uk [10]

Answer:

cells=1

organ=3

organ system=4

tissue=2

Explanation:

i just did the question right now and i got them all correct.

3 0
3 years ago
The metal lithium has a diagonal relationship with the metal magnesium. true or false.
emmasim [6.3K]
False   .........................................                                                   
6 0
3 years ago
When Aluminum oxide is heated with iron no reaction takes place?
Keith_Richards [23]

Answer:

Explanation:

That's correct. Once Aluminum becomes an ion, it is very hard to force it to take back its electrons. Only a few elements can do it. Iron is not one of them.

7 0
2 years ago
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