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2 years ago

What is a disadvantage of a series circuit?

Chemistry

1 answer:

Digiron [165]2 years ago

3 0

The answer is B

If one circuit fails, it is most likely that all the components in the circuit will fail.

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How could you engineer a device that produces beneficial friction and heat?

nlexa [21]

Answer:

Explanation:

That's why rubbing your hands together makes them warmer. ... Friction causes the molecules on rubbing surfaces to move faster, so they have more energy. This gives them a higher temperature, and they feel warmer. Heat from friction can be useful.

3 0

3 years ago

How are the shape of sand dunes determined?using one word

SVEN [57.7K]

"windweathered" because the use of wind weathering would bring the sand all around and it would be wind weathered

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3 years ago

What total volume of ozone measured at a pressure of 24.5 mmHg and a temperature of 232 K can be destroyed when all of the chlor

ddd [48]

Answer:

$1.75272\ \text{m}^3$

Explanation:

The breakdown reaction of ozone is as follows

$CF_3Cl + UV \rightarrow CF_3 + Cl$

$Cl + O_3 \rightarrow ClO + O_2$

$O_3 + UV \rightarrow O_2 + O$

$ClO + O \rightarrow Cl + O_2$

It can be seen that 2 moles of ozone is required in the complete cycle

So for 10 cycles, 20 moles of ozone is required

m = Mass of $CF_3Cl$ = 15.5 g

M = Molar mass of $CF_3Cl$ = 104.46 g/mol

P = Pressure = 24.5 mmHg

T = Temperature = 232 K

R = Gas constant = $62.363\ \text{L mmHg/K mol}$

Number of moles is given by

$n=\dfrac{m}{M}\\\Rightarrow n=\dfrac{15.5}{104.46}\\\Rightarrow n=0.1484\ \text{moles}$

$20\ \text{moles} = 20\times 0.1484 = 2.968\ \text{moles}$

From ideal gas law we have

$PV=nRT\\\Rightarrow V=\dfrac{nRT}{P}\\\Rightarrow V=\dfrac{2.968\times 62.363\times 232}{24.5}\\\Rightarrow V=1752.72\ \text{L}=1.75272\ \text{m}^3$

For 20 cycles of the reaction the volume of the ozone is $1.75272\ \text{m}^3$ .

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3 years ago

Which of the following organisms would likely be found on a decaying deer carcass (dead deer)?

TEA [102]

Answer:

c. bacteria and fungus

Explanation:

3 0

3 years ago

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How would the kinetic energy of the rider change if his mass were doubled?

andrey2020 [161]

Answer:

Explanation: A

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3 years ago

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