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3 years ago

Through what experiment was Thomson's "plum pudding" model proved inaccurate?

Chemistry

1 answer:

aalyn [17]3 years ago

6 0

Answer:

Explanation:

When the particles where shot through gold foil, he found that most of the particles went through. Some scattered in various directions, and a few were even deflected back towards the source.

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Harvey kept a balloon with a volume of 348 milliliters at 25.0˚C inside a freezer for a night. When he took it out, its new volu

ad-work [718]

Initial volume of the balloon = $V_{1}$ = 348 mL

Initial temperature of the balloon $T_{1}$ = $25.0^{0}C + 273 = 298 K$

Final volume of the balloon $V_{2}$ = 322 mL

Final temperature of the balloon = $T_{2} = ?$

According to Charles law, volume of an ideal gas is directly proportional to the temperature at constant pressure.

$\frac{V_{1} }{T_{1} } =\frac{V_{2} }{T_{2} }$

On plugging in the values,

$\frac{348mL}{298 K} =\frac{322 mL}{T_{2} }$

$T_{2} =276 K$

Therefore, the temperature of the freezer is 276 K

5 0

3 years ago

Why is the metric system the preferred system of measurement for science

Nikolay [14]

In is a lot easier because it uses 10s.

3 0

4 years ago

Read 2 more answers

HELP ASAP 20 OR MORE POINTS!!!!

pishuonlain [190]

<h2>YeS im Am fRom pLanet k12 And brinG anD imPortant MesSage </h2>

The answer to your question is, <u><em>There are only so many ways matter can arrange itself within that infinite universe.</em></u>

<h2><em>Also if your on the same test as me heres some other sTuff that was on my test </em></h2><h2><em> </em></h2>

Question 1 (1 point)

In Brian Greene's "A Physicist Explains Why Parallel Universes May Exist", what reason does Greene give for why he believes parallel universes may exist?

<em>Answer: There are only so many ways matter can arrange itself within that infinite universe.</em>

<em> </em>

Question 2 (1 point)

Choose the best explanation for why we experience the Mandela Effect.

<em>Answer: Our brains tend to fill in information that we cannot readily recall and make associations that are not true.</em>

Question 3 (1 point)

From the article "Time Travel Is A Fun Science Fiction Story But Could It Be Real?", Albert Einstein's Theory of Relativity is described as what?

<em>Answer: The pulling force of gravity causes space to curve and causes time to slow down.</em>

Question 4 (1 point)

From the video " Are Wormholes The Answer To Time Travel?", how are worm holes described?

<em>Answer: A tunnel in space connecting two regions very distant from each other. A "short cut" through space</em>

Question 5 (1 point)

Many scientists think human cloning is possible, so why haven't we made human clones yet?

<em>Answer: Human cloning is extremely controversial and many people believe it is unethical</em>

<h2><em>HOPE THIS HELPS ANYONE IF IT DOES THANK AND RATE FOR A FREE COOKIE :D </em></h2>

6 0

3 years ago

Read 2 more answers

Nevermind, scratch the question

Lyrx [107]

What question there’s no question on here

5 0

2 years ago

What do the elements in each pair have in common? k, kr be, mg ni, tc b, ge al, pb?

tensa zangetsu [6.8K]

The pairs are:
K, Kr - Same period
Be, Mg - Same group
Ni, Tc - Both are transition metals
B, Ge - Both are metaloids
Al, Pb - Both form inert oxides

4 0

3 years ago