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ra1l [238]
2 years ago
8

1. A sample of gas has a constant temperature and number of particles. As the volume of the gas sample is increased, the pressur

e of the gas will ________.
a. increase
b. decrease
c. remain constant


2. A sample of gas has a constant volume and number of particles. As the temperature of the gas sample is increased, the pressure of the gas will _______.
a. decrease
b. remain constant
c. increase


3. A sample of gas has constant pressure and number of particles. As the temperature of the gas sample is decreased, the volume of the gas will _______.
a. remain constant
b. increase
c. decrease
Physics
1 answer:
AURORKA [14]2 years ago
4 0

Answer:

1.C

2.C

3.C

Explanation:

hope its help hehe:(

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The property of matter that determines the direction of heat flow is the
Kobotan [32]

Answer:

Temperature

Explanation:

The heat flows from high temperature to low temperature.So we can say that temperature is the property that decide the direction of heat flow.Like in the electric system current flow high voltage to low voltage ,so we can say that voltage is the property which determine the direction of current flow.

So the answer is Temperature.

7 0
3 years ago
In order for an external force to do work on a system, Question 9 options: a) there must be a component of the force perpendicul
zepelin [54]

Answer:

b) there must be a component of force parallel to the motion of the object.

Explanation:

We know that work done on a body by an external force is calculated by the formula given below:

W = F.d = Fd Cos θ

where,

W = Work Done by the force on the body

F = Magnitude of force

d = displacement of the body

θ = The angle between the direction of motion of the body and the force applied

It is clear from the formula of the work done, that "F Cosθ" represents the component of the force, that is acting in the direction of motion of the object or parallel to the direction of motion of the object. So, if there is no component of force parallel to motion of object, then this factor will become zero. As a result, the work done will also be zero.

Therefore, the correct option will be:

b) <u>there must be a component of force parallel to the motion of object.</u>

6 0
3 years ago
Takumi works in his yard for 45 minutes each Saturday. He works in the morning, and he wears sunscreen and a hat each time he wo
Arte-miy333 [17]

takumi wants to reduce the chance of getting a sunburn :D

<em>hope this helps!</em>

<em>have a great day :)</em>

6 0
3 years ago
Read 2 more answers
The type of force that will not cause a change in the speed of an object.
In-s [12.5K]

Explanation:

Balanced forces will cause no change in the speed of an object.

3 0
3 years ago
What is the difference between p-n junction diode and extrinsic semiconductor?
Anna71 [15]

Answer:

The difference between P-N junction diode and extrinsic semiconductor is the allowable direction of flow of current

The extrinsic semiconductor can allow current to flow in both directions while the P-N junction diode permits only a unidirectional flow of current

Explanation:

A semiconductor is a substance that has an intermediate conductivity between that of conductors and non conductors

Examples of semiconductors  include germanium and cadmium selenide

A semiconductor to which impurities has been added (an activity known as doping) is an extrinsic semiconductor

Based on the functioning of a semiconductor, doping result in the formation of one of two types of semiconductors including;

1) N-type semiconductor that has an extra electron and the charge carriers are electrons

2) P-type semiconductor that has one less (-e⁻) electron and holes are the charge carriers

An extrinsic semiconductor can conduct allow the flow of electricity in both ways

A P-N junction diode consists of both the P and N-type extrinsic semiconductors arranged such that current can flow in only one direction.

Therefore, the difference is that the extrinsic semiconductor can allow current flow in both directions while the P-N junction diode permits only a unidirectional flow of current.

4 0
3 years ago
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