Sum up in a few sentences what did Cavendish discover and how did he do it?

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Answer 1

Answer: He was a British philosopher, and an important experimental and theoretical chemist. He is known for his discovery of hydrogen. He at that time called it "inflammable air".

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In 1911, Ernest Rutherford and his assistants Geiger and Marsden conducted an experiment in which they scattered alpha particles (nuclei of helium atoms) from thin sheets of gold. An alpha particle, having charge 2e and mass 6.64 10-27 kg, is a product of certain radioactive decays. The results of the experiment led Rutherford to the idea that most of an atom's mass is in a very small nucleus, with electrons in orbit around it. Assume an alpha particle, initially very far from a stationary gold nucleus, is fired with a velocity of 1.50 107 m/s directly toward the nucleus (charge 79e). What is the smallest distance between the alpha particle and the nucleus before the alpha particle reverses direction?
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Why does the same side of the moon always face the earth?

When evaluating promotional claims, it is important to __________.a.do your own research c.determine if there are other possible solutions b.ask if it makes sensed.all of the above

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D. ALL OF THE ABOVE.

Promotional claims are given by companies to attract potential buyers with the intent of selling their goods and services.

Consumers must not only rely on what these promotional claims are saying, instead one must do his or her own research to verify if said claims are true, will benefit the consumer and is the only viable or practical solution needed to satisfy the needs of the consumer.

A gas has an initial volume of 24.6 L at a pressure of 1.90 atm and a temperature of 335 K. The pressure of the gas increases to 3.50 atm, and the volume of the gas increases to 31.3 L.

Answers

The problem can be solved by using the formula associated with the gas laws. It is as follows:

PV/T

Given:

P1 = 1.9 atm
V1 = 24.6 L
T1 = 335 K

P2 = 3.5 atm
V2 = 31.3 L
T2 = ?

Substituting the given:

P1V1/T1 = P2V2/T2
(1.9 * 24.6)/335 = (3.5 * 31.3)/T2
T2 = 785.18 K

A metal pot feels hot to the touch, but the plastic handle does not. Which type of material is the plastic handle? A. A thermal insulator, because it transfers heat easily B. A thermal conductor, because it does not transfer heat easily C. A thermal conductor, because it transfers heat easily D. A thermal insulator, because it does not transfer heat easily

Answers

Answer:

Option (D)

Explanation:

There are two types of materials.

1. Conductors: The materials which can allow the heat to pass through it are called conductors. For example, iron, copper, etc.

2. Insulators: The materials which do not heat to pass through it are called insulators. For example, plastic, wood, rubber, etc.

Here plastic handle does not feel hot because it is an insulator and it does not allow to pass the heat through it.

D is the answer..........

Energy is measured in watts and work is measured in joules. true or false?

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it's true
work measure by joule.
Energy = work/time
= joule/s .
and joule/s represents watt

The absolute magnitude of a star is the amount of light received by Earth. a. True
b. False.

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B.false......absolute magnitude

Measure of the amount of light a star actually gives off.....thats the definition....hop this is helpful

So this statement is false.

This is heat or electrical transfer by contact.

Answers

Answer:

The correct answer for this problem is conduction.

Explanation:

I just did the test and conduction was the correct answe.

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