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Tamiku [17]
3 years ago
7

What property of matter best describes the way a typical alcohol thermometer works?

Chemistry
1 answer:
julsineya [31]3 years ago
7 0

Answer:

  • <u>thermal expansion</u>

Explanation:

Matter expands when heated.

Matter is composed of particles (atoms, molecules or ions) which ocuppy a space.

At lower temperatures, matter has low kinetic energy, so the particles vibrate and or translate with low speed. When the matter is heated, the kinetic energy of the particles increases, meaning that they will vibrate and move faster.

When the particles vibrate and move faster they will occupy more space, which explains the thermal expansion.

So, at start the alcohol thermometer will be in thermal equilibrium with the surroundings (same temperature). The alcohol will occupy a certain volume inside the thermometer, which corresponds to a level mark (altitude of the alcohol inside the thermometer)

If the thermometer gets in contact with a colder substance, the walls of the thermometer will transfer heat to the colder substance, and the alcohol inside the thermometer will transfer heat to the walls of the thermometer. As result, the alcohol will lose kinetic energy and it will occupy less volume, which will cause that its level inside the thermometer fall.

On the other hand, if the thermometer gets in contact with a warmer substance, the heat will flow from the warmer substance to the alcohol inside the thermometer, the particles of alcohol will vibrate and move faster, its volume will increase and, being as it is contained inside the walls of the thermometer, its level will rise.

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Firlakuza [10]

The Oxyfuel gas or flame refers to a group of welding processes that use the flame produced by the combination of a fuel gas and oxygen as the source of heat.

<u>Explanation:</u>

  • Oxy-fuel welding is a process that utilizes fuel gases and oxygen to weld metals. Oxyfuel gas or flame refers to a group of welding processes that utilize the flame delivered by the blending of fuel gas and oxygen as the source of heat.
  • This flame is utilized for cutting and welding of two metallic pieces. This is done due to the heat produced by cutting and welding of two metallic pieces together by heating to the melting point.
  • An oxyhydrogen flame is utilized for cutting and welding of two metallic pieces due to the heat produced by the flame, i.e, 2800 ° C. At this temperature, the metal gets softened effectively and thus it can easily separate or welded together.
7 0
3 years ago
What is the concentration of H+ in a 2.5 M HCl solution?
Pavel [41]

Answer:

The concentration of H⁺ in a 2.5 M HCl solution is 2.5 M

Explanation:

As HCl is a strong acid and hence a strong electrolyte, it will dissociate as

HCl ⟶ H⁺ + Cl⁻

So, The concentration of H⁺ will be 2.5 M (same as HCl)

Thus, The concentration of H⁺ in a 2.5 M HCl solution is 2.5 M

<u>-TheUnknownScientist</u><u> 72</u>

6 0
2 years ago
Read 2 more answers
AUG, the codon that codes for the amino acid methionine is also called a ____ codon (answer choices 1.start 2.Stop 3.Go 4.beginn
Katarina [22]
<h2>Answer:  START (2)</h2>

Explanation:

AUG is a <u>START</u> codon.  (2)

A start codon is the first codon translated by a ribosome. It usually produces an amino acid that initiates the producyion of a polypeptide chain.

5 0
2 years ago
A dunk tank hold 30,533 moles of water? How many grams of water are in the tank?
liubo4ka [24]

The mass of water in the tank, given the data from the question is 549594 g

<h3> Description of mole </h3>

The mole of a substance is related to it's mass and molar mass according to the following equation:

Mole = mass / molar mass

<h3>How to determine the mass of water in the tank</h3>

From the question given above, the following data were obtained:

  • Mole of water = 30533 moles
  • Molar mass of water = 18 g/mol
  • Mass of water = ?

The mass of the water can be obtained as follow:

Mass = mole × molar mass

Mass of water = 30533 × 18

Mass of water = 549594 g

Learn more about mole:

brainly.com/question/13314627

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3 0
1 year ago
What were the constraints on Nils Bohlin’s solution to safer seatbelts?
ArbitrLikvidat [17]

Answer:

He realized he needs to have the upper body and lower body held in place and needed the buckle as far down beside the person's hip so it could hold the body properly

Explanation: ''I realized both the upper and lower body must be held securely in place with one strap across the chest and one across the hips,'' Mr. Bohlin once said. ''The belt also needed an immovable anchorage point for the buckle as far down beside the occupant's hip, so it could hold the body properly during a collision.

4 0
2 years ago
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