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3 years ago

Which statement most completely defines a wave? *

Chemistry

1 answer:

Svetllana [295]3 years ago

4 0

Answer:

A wave transfers energy through a medium or empty space without transporting matter.

Explanation:

A wave is a transmission of a disturbance from one point known as the source to another.
Waves may transfer energy through a material medium or a vacuum without transporting matter.
Waves that transfer energy from one point to another through a material medium are known as mechanical waves.
Electromagnetic waves, on the other hand, are those that do not require a material medium for transmission, the transfer of energy is through a vacuum.
Waves can also be either transverse or longitudinal waves based on the vibration of particles relative to the direction of wave motion.

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A 1300 mL sample of gas with a molar mass of 71.0 g/mol at STP has what density?

Blizzard [7]

Answer:

0.055g/mL

Explanation:

Data obtained from the question include:

Molar Mass of the gass sample = 71g/mol

Volume of the gas sample = 1300 mL

Density =?

The density of a substance is simply mass per unit volume. It is represented mathematically as:

Density = Mass /volume.

With the above equation, we can easily obtain the density of sample of gas as illustrated below:

Density = 71g / 1300 mL

Density = 0.055g/mL

Therefore, the density of the gas sample is 0.055g/mL

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3 years ago

Is this right?If not what did I do wrong ?

Eddi Din [679]

Hey there,

It seems we do not have an image. Mind supplying us with one?

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3 years ago

The number of neutrons in Aluminum is

777dan777 [17]

the number of neutrons in aluminium is 14

7 0

2 years ago

Read 2 more answers

Most full scuba tanks have a pressure of between 1,800 p.s.i. and 3,000 p.s.i. (pounds per square inch). Approximately 70 to 85

ArbitrLikvidat [17]

Answer: The Diver's air tank is filled with oxygen gas.

The filling of air tank while keeping in water can be explained in reference to the Charles' Law.

Charles' Law: It states that the volume of the ideal gas is directly proportional to the absolute temperature at constant pressure.

$V\propto T$ (at constant Pressure)

The Scuba tank contains cold water and is present at high pressure. The gas which is put in the tank will be compact and would not expand. As the temperature is low inside the tank, hence by using Charles' Law, the volume will also decrease inside the tank.

When the air tank is filled, it is always kept in a tub of water because the pressure is high and hence, more oxygen gas can be filled inside the air tank.

8 0

3 years ago

Read 2 more answers

What are the coefficients of the balanced reaction? _CH4 + _CI2 ➡ _CCI4 + _HCI

stealth61 [152]

Answer:

CH4 + 4Cl2 --> CCl4 + 4HCl

Explanation: Message me if you need a thorough explanation

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3 years ago