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slavikrds [6]
3 years ago
13

How many moles of hydrogen sulfide are contained in a 77.7-8 sample of this gas?

Chemistry
1 answer:
valentina_108 [34]3 years ago
7 0

Answer:

its either C or D my guess is C though because 35.0g of hyddrogen is =1.03 mol

Explanation:

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Under what conditions of temperature and pressure is the behavior of real gases least like that of ideal gases
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High temperature and low pressure<--Most likely

Low temperature and high pressure<----Less likely.

So the answer to this is Low temperature and high pressure. 
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4 years ago
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Please help ASAP!!
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The pond has more energy because I is so much larger that the Cup of boiling water. Since that mass of the pond is so much larger, It is generating more energy than a boiling cup of water.

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Please list about 10 facts about viscosity
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Viscosity is the thickness of a liquid, cause by the friction between the molecules in that liquid. A very high viscosity would result in a solid form and low would be a liquid. If a liquid as zero viscosity is only found in superfluids at there freezing points or lower. There are also two types of viscosity “dynamic” (which is measure in seconds, pascal seconds to be exact) and “kinematic” (which is measured in metre per second squared)

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5 0
3 years ago
Need help please it must be right thank u
vova2212 [387]

Answer:

13. c) Net

14. a) Gravity

15. d) Watt

16. b) the speed will suddenly decrease.

Explanation:

13. The <u>net </u> force is combination of all individual forces.

14. When we sit on the chair , then <u>gravitational force</u> acts on our body due to our mass.

F = mg

here, F = force due to gravity , g = acceleration due to gravity  and m= mass of the body

15.Power : It is the force acting per unit area .It is discovered by James Watt

Power =\frac{force}{area}

Power =\frac{N}{m^{2}}

Its unit is Nm^{-2} .In honor of the Scientist , its unit is Watt.

Watt = Nm^{-2}

16. When the parachute first opens , the <u>speed of the skydiver suddenly decreases</u> because of the resistance offered by the air particles.(For more details look at the figure attached)

17. Transfer of momentum from one object to other is t<u>he law of conservation of momentum</u><u> </u>(NOT ENERGY).So the answer is<u> </u><u>False</u>

<u> Law of Conservation of Momentum : </u> Total momentum of a system is conserved if no external force attack on it. Momentum can neither be created nor destroyed but transferred from one form to other.

7 0
3 years ago
When Jorge looks at the Moon from Earth, he sees different phases of the Moon depending on the time of the month he observes the
eimsori [14]

Answer:

Because of the revolution of the moon about the earth.

Explanation:

The moon is the natural satellite of the earth; which rotates about its axes and orbits around the earth. As the moon orbits the earth with respect to time, it would complete a revolution in 27.3 days.

During revolution, different phases of the moon can be observed by someone on the earth. This is due to its location at different time during the process. Therefore, Jorge was able to see different phases of the moon because of its revolution about the earth.

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