4 years ago

1. How are the outer planets similar to each other?

1 answer:

3 0

Answer:

All the planets that are located outside the asteroidbelt are gaseous giants. Their atmosphere is completely covered with harmful gas elements such as methane. They all have rings, even if they’re too faint to see. Compared with the inner planets, they have the most numbers of moons, which is probably due to their larger size.

Explanation:

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Which of the following are behaviors of a gas that can be explained by the kinetic-molecular theory?

My name is Ann [436]

Answer:

b,c,d

Explanation:

gasses exert pressure, all particles of a gas sample move at the same speed. gas particles can exchange kinetic energy when they collide.

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3 years ago

Can someone pls tell me if this is right?

Sholpan [36]

Answer:

wrong it is hydrogen is more electronegative

you are welcome

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3 years ago

What pressure will be exerted by 0.57 moles of CO2 at a temperature of 25°C and a volume of 500 ML? _____atm

svetlana [45]

The pressure exerted by 0.57 moles of CO2 at a temperature of 25°C and a volume of 500 ml is 28 atm.

<u>Explanation:</u>

According to ideal gas law,

PV = nRT

where P represents the pressure of a gas,

V represents the volume of a gas,

n represents the number of moles,

R represents the gas constant = 0.0821 L atm / mol K.

T represents the temperature of a gas.

Given V = 500 ml = 0.5 l, T = 25°C = 298 K, n = 0.57 mol

PV = nRT

P = nRT / V

= (0.57 $\times$ 0.0821 $\times$ 298) / 0.5

P = 28 atm.

The pressure of a gas is 28 atm.

4 0

4 years ago

If 2.40 moles of gas are held at a temperature of 97.0 °C in a container with a volume of 45.0 L, what is the pressure of the ga

Rainbow [258]

PV=nRT<=> P=nRT/V=2,40*R*(273+97)/45 atm.
Calculate it. R is a number that is given, find it and use your math to solve.

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3 years ago

Sodium metal reacts vigorously with water

Sphinxa [80]

This is a true statement.

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4 years ago