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skelet666 [1.2K]
3 years ago
12

A decrease in the temperature of a contained liquid causes

Chemistry
1 answer:
aev [14]3 years ago
7 0
<span>A decrease in the temperature of a contained liquid causes a decrease in vapor pressure. The liquid absorbs the air as it expands when it is cooled and nearing freezing point, which leads to the decrease in vapor pressure. </span>
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Question 15 (5 points)
Vladimir [108]

This problem is providing us with the maximum mass of Imitrex a patient can get daily as 0.2 g. Also, the mass of a tablet is given as 25 mg so the number of tablets they get in a day is required. After the calculations, the result turns out to be 10 tablets.

<h3>Dimensional analysis:</h3>

In chemistry, dimensional analysis is used to calculate specific outcomes given useful information to do so. Despite not having specific formulas for every problem, one can come up with a feasible proportional-factor-based setup, in order to obtain the required.

In this case, since the mass per tablet is 25 mg, one can divide the maximum dosage by this mass per tablet, both in grams, to obtain the required number of tablets for a daily dosage:

25\frac{mg}{tablet}*\frac{1g}{1000mg}=0.025\frac{g}{tablet}  \\\\\#tablets=\frac{0.25g}{0.025\frac{g}{tablet}} \\\\\#tablets=10 tablets

Learn more about dimensional analysis: brainly.com/question/10874167

6 0
2 years ago
What are some of the variables that cause uneven heating on earth surfuce
Sunny_sXe [5.5K]
1- global patterns of wind
2- warm air rises causing most warm air to go to the equator
6 0
3 years ago
Read 2 more answers
A cylindrical specimen of some metal alloy having an elastic modulus of 126 GPa and an original cross-sectional diameter of 3.4
Delvig [45]

Answer:

The maximum length of the specimen before deformation is 240.64 mm

Explanation:

Strain = stress ÷ elastic modulus

stress = load ÷ area

load = 2130 N

diameter = 3.4 mm = 3.4×10^-3 m

area = πd^2/4 = 3.142 × (3.4×10^-3)^2/4 = 9.08038×10^-6 m^2

stress = 2130 N ÷ 9.08038×10^-6 m^2 = 2.35×10^8 N/m^2

elastic modulus = 126 GPa = 126×10^9 Pa

Strain = 2.35×10^8 ÷ 126×10^9 = 0.00187

Length = extension ÷ strain = 0.45 mm ÷ 0.00187 = 240.64 mm

5 0
3 years ago
How many atoms are in 0.750 moles of zinc?
Ira Lisetskai [31]
1 mole Zn ---------- 6.02 x 10²³ atoms
0.750 moles Zn ----- ? 

atoms = 0.750 * ( 6.02 x 10²³ / 1 )

= 4.515 x 10²³ atoms

hope this helps!


4 0
4 years ago
A rigid container (volume cannot change) is filled with carbon dioxide gas at room temperature. The container is then placed in
Sedbober [7]

The reduction in the temperature leads to an automatic decrease in the pressure of the gas inside the he container. This is due to the decreased number of collisions per unit area of the container walls. Pressure law states that at constant volume, the pressure of a fixed mass of a gas is directly proportional to the absolute temperature.

3 0
3 years ago
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