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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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Balance the following equation <br><br><br> _NaOH (aq) + _HNO3 (aq)&gt; _NaNO3 (aq)+ _H2O (1)
Vlada [557]
Its already balanced, no balancing required
6 0
3 years ago
Which of the following is a correct representation of the isotope of sulfur that has 19 neutrons? sulfur-19 sulfur-35 sulfur-16
Delicious77 [7]

Answer:

sulfur-35

Explanation:

Sulfur-35 is a radioactive isotope that contains 19 neutrons.

Isotopes are represented with mass numbers. Mass number is the addition of number of proton and number of neutrons.

The number of proton in sulfur = 16

Number of neutron = 19

So, mass number = no. of protons + no. of neutrons

                              = 16 + 19

                              = 35

Hence, the correct answer is sulfur-35.

4 0
3 years ago
a sample of hydrogen gas (h2) is mixed with water vapor (h2o (g)). the make sure has a total pressure of 811 torr, and the water
Alborosie

Answer:

n=0.430molH_2

Explanation:

Hello!

In this case, considering the partial Dalton's law of partial pressures, we can notice that the total pressure equals the pressure of steam and the pressure of hydrogen, which can be determined as shown below:

p_T=p_H+p_w\\\\p_H=811torr-12torr=799torr*\frac{1atm}{760torr}\\\\p_H=1.05atm

Thus, by using the ideal gas law, we can compute the moles of hydrogen as shown below:

PV=nRT\\\\n= \frac{PV}{RT}=\frac{1.05atm*10.0L}{0.082\frac{atm*L}{mol*K}*298K}\\\\n=0.430molH_2

Best regards!

6 0
3 years ago
Which would be the first of the two magnetic mentals in the mixture to be Melted? A. Copper B. Iron C. Nickel D. Yin
marissa [1.9K]

Answer:D. Tin

Explanation:

3 0
3 years ago
(03.03 MC)
Jet001 [13]

Answer:

- Carbon shares four of its electrons, and each oxygen shares two of its electrons.

Explanation:

Carbon needs 4 electrons to reach a full outer shell while oxygen needs 2 to reach a full outer shell.

7 0
2 years ago
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