3 years ago

Why did the results pf the cathode ray tube require a new model of the atom

1 answer:

6 0

J.J. Thomson's experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons. ... Rutherford's gold foil experiment showed that the atom is mostly empty space with a tiny, dense, positively-charged nucleus.

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A 3.20-mol sample of gas occupies a volume of 350. mL at 300.0 K. Determine the

nalin [4]

Answer:

$P \approx 225atm$

Explanation:

From the question we are told that:

Moles of sample n=3.20_mol

Volume V=350mL

Temperature T=300k

Generally the equation for ideal gas is mathematically given by

$PV=nRT$

$P=\frac{nRT}{V}$

$P=\frac{3.20*0.08206*300}{350*10^{-3}}$

$P=225.079atm$

$P \approx 225atm$

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3 years ago

Inside the room the air is often warmer near the ceiling than near the floor. Which of the following accounts for the difference

Rudiy27

The correct answer would be C. Convection, which describes that heat rises.

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3 years ago

To make energy, a plant must get carbon, hydrogen, and oxygen atoms. What is the source of these atoms

damaskus [11]

Answer:

Carbon comes from the air and soil, hydrogen comes from absorbing water, H20, and breaking it down into Hydrogen and oxygen :) (also where oxygen comes from)

Explanation:

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2 years ago

When do the highest tides happen?

mart [117]

Answer:

A) When the moon is full

Explanation:

The moon controls the tides, so the more the moon the more the tide

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2 years ago

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