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otez555 [7]
3 years ago
6

The graph below shows how the temperature and volume of a gas vary when

Chemistry
1 answer:
nikitadnepr [17]3 years ago
7 0

Answer:

I don't know the answer of this question.

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A car travels 200 miles in 4 hours calculate the cars speed
Vaselesa [24]

Answer:

50 mph

Explanation:

To figure out how many miles per hour this car is going, we divide the distance traveled by the time it took.

200 ÷ 4 = 50

7 0
2 years ago
What is the shape of name of Co2
Gennadij [26K]

Answer:

The shape is called a <em><u>Linear</u></em><em><u> </u></em><em><u>shape</u></em>

The molecule is called <em><u>Carbon dioxide</u></em><em><u> </u></em><em><u>molecule</u></em><em><u>.</u></em>

Explanation:

The shape is linear because of the strong repulsive force between the lone pairs

4 0
3 years ago
Which of these planets has the coldest surface temperature?
lianna [129]

Neptune planet has the coldest surface temperature

<u>Explanation:</u>

With temperatures falling to -218°C in Neptune’s upper atmosphere, the planet is one of the coolest in our Solar System.  Neptune is the most faraway planet from the sun. Astronomers have speculated that Neptune's huge internal temperature and the transfer of heat between the core and outer layers might be the cause why Neptune isn't significantly more chill than Uranus.

Pressures in this area range between 1 and 5 bars and the temperature reaches a high of 72 K. At this temperature, states are becoming for methane to condense, and clouds of ammonia and hydrogen sulfide are thought to form. At its core, Neptune reaches temperatures of up to 7273 K which is equivalent to the surface of the sun.

3 0
3 years ago
Read 2 more answers
A balloon was partially filled with helium gas at room temperature. It occupied 4.0 liters of volume at 700.0 mmHg atmospheric p
Tatiana [17]

Answer:

28.28 L.

Explanation:

  • We can use the general law of ideal gas: <em>PV = nRT.</em>

where, P is the pressure of the gas in atm.

V is the volume of the gas in L.

n is the no. of moles of the gas in mol.

R is the general gas constant,

T is the temperature of the gas in K.

  • If n and T are constant, and have two different values of V and P:

<em>P₁V₁ = P₂V₂</em>

<em></em>

P₁ = 700.0 mm Hg, V₁ = 4.0 L.

at burst: P₂ = 99.0 mm Hg, V₂ = ??? L.

<em>∴ V₂ = P₁V₁/P₂</em> = (700.0 mm Hg)(4.0 L)/(99.0 mm Hg) = <em>28.28 L.</em>

3 0
3 years ago
Help ASAP only right answers only no spam don’t answer if you don’t know
ziro4ka [17]

Answer:

element.... ....

.....

3 0
3 years ago
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