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Neko [114]
3 years ago
15

Someone help me please i’ll give brainly

Chemistry
1 answer:
Viefleur [7K]3 years ago
5 0
<h2>Hey There!</h2><h2>_____________________________________</h2><h2>Answer:</h2>

\huge\boxed{Radiation}

<h2>_____________________________________</h2><h2>TYPES OF HEAT TRANSFER</h2>

Heat is transferred in 4 different ways,

<h2>_____________________________________</h2><h3>Conduction:</h3>

Its is a kind of heat transfer which occurs by contact. Heat is transferred by contact from hot body to the cold body. Conduction takes place when the substance is heated, the particles gain more energy, and vibrate more. These more vibrating particles bump into particles beside them and transfer energy in them, thus heat transfer. Example If we place a head of a spoon in a boiling water, the Flatware of the spoon becomes hot by conduction.

<h2>_____________________________________</h2><h3>Convection:</h3>

Thermal Convection is found along the fluid. Fluid includes both water and gas. When water or gas is heated, there is a bulk movement of molecules with in the fluid away from the source causing a hotter particles go away from the source and cooler particles come towards the source. It form the  cycle.

<h2>_____________________________________</h2><h3>Radiation:</h3>

Radiation is the transfer of heat in the form of electromagnetic waves. Sun Light or Heat is a type Electromagnetic waves, and Electromagnetic radiations have the ability to move in the space i.e. they don't require any medium for the movement which makes the Radiation different from other processes of heat transfer. Here Cat is sitting in a sunlight and sunlight is a source of radiation.

<h2>_____________________________________</h2><h3>Evaporation:</h3>

Evaporation is a process in which liquid molecules take energy from their surroundings and change their state into gas. Example: water molecules, they take energy from the sunlight and changes its state of matter. Water have high heat of vaporization so it needs a lot of energy to change its state of liquid to gas. It is a cooling process, When evaporation takes place surrounding gets cooler. Another example is sweat, When sweat evaporates from our body by taking heat from our body, we feel cold because alot of energy is required to change the state of water molecules.

<h2>_____________________________________</h2><h2>Best Regards,</h2><h2>'Borz'</h2>

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A beaker cannot be used for measuring the volume of a liquid because _____.
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Answer:

Data obtained can't be accurate.

Explanation:

A beaker can't be used for measuring the volume of a liquid because they did not calculate volume of a liquid accurately and precisely. The marks present on the beaker are not accurate, it is just an estimate so by measuring the volume of any liquid using beaker give us a false data so that's why beaker are not used for the measurement of a volume.

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4 years ago
Which of the following statements is true about gas particles?
satela [25.4K]

Answer:

There is a lot of empty space between them

Explanation:

We know that gas molecules are loosely packed,

Therefore there is a lot of intermolecular space...(Which basically means that there is a lot of space between the molecules or particles in a gas)

Happy to help.

Pls mark as Brainliest.

3 0
4 years ago
Read 2 more answers
you wish to make a 0.161 m hydroiodic acid solution from a stock solution of 3.00 m hydroiodic acid. how much concentrated acid
mestny [16]

5.367 ml of the concentrated acid must be added to obtain a total volume of 100 ml of the dilute solution.

Dilution is defined as the process in which the concentration of a sample is decreased by adding more solvent. The dilution formula is given below.

C₁V₁ = C₂V₂

where C₁ = initial concentration of sample = 3.00 m

V₁ = initial volume of sample

C₂ = final concentration after dilution = 0.161 m

V₂ = total final volume after dilution = 100 ml

Plug in the values to the formula and solve for the volume of the concentrated acid that must be added.

C₁V₁ = C₂V₂

3.00 m (V₁) = 0.161 m (100 ml)

V₁ = 5.367 ml

Learn more about dilution here: brainly.com/question/1615979

#SPJ4

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1 year ago
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