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1 year ago

PLEASE! DUE IN 30 MINUTES! I NEED A LOT OF HELP! 50 POINTS! ANSWER ALL THREE QUESTIONS PLEASEEEEE I NEED HELP ASAP

Chemistry

1 answer:

fenix001 [56]1 year ago

6 0

Answer:

Olivia-anthroponosis

Although-Ringworm is not life-threatening, whereas most others are.

Black Death-It was caused by bacteria instead of a virus.

Explanation:

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The reaction 2KBr(s) →+ Br2(l) + 2K(s) is a Decomposition reaction

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2 years ago

By studying fossils, scientists have learned that A. Both animals and plants have changed over time. B. Plants have changed over

Nastasia [14]

Answer:A. Both animals and plants have changed over time.

Explanation:

Because plants and animals go through adaptations.

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3 years ago

Read 2 more answers

Define satt and give an example?

Veseljchak [2.6K]

Answer:

<h2>Heyy..Here is your answer..</h2>

<h2>Satt is the German word for full and it most likely comes from the same Latin word that saturated.</h2>

<h2>Hope it helps..!!</h2>

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2 years ago

9. Diamonds and quartz crystals look very similar but diamonds cost considerably

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Natural diamonds are made very deep within earth's surface where high temperatures and pressure exist naturally, thus making them much more difficult to obtain, and making them a more expensive option that Swarovski Crystal.

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2 years ago

A gas containing 80% CH4 and 20% He is sent through a quart/ diffusion tube (see Figure P8.8) to recover the helium, Twenty perc

elena55 [62]

For a gas containing 80% CH4 and 20% He is sent through a quart diffusion tube, the composition is mathematically given as

%He=12.5%

%CH4=87.5%

<h3>What is the composition of the waste gas if 100 kg moles of gas are processed per minute?</h3>

Generally, the equation for the Material balance is mathematically given as

F=R+W

Therefore

100=0.20*1000+W

W=80kmol/min

In conclusion, waste gas compose

2.0/100*100=50/100*20+%*80

Hence

%He=12.5%

%CH4=87.5%