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2 years ago

11

A 182 pound male body was found decomposing in a dense wooded area 1.43 kilometers away from the nearest road. How many meters w

ould a suspect have to drag the body into the woods if the victim was already deceased and transferred to this secondary location from the vehicle

1 answer:

Gemiola [76]2 years ago

4 0

Answer:

1430 meters

Explanation:

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How many moles are in 8.30x10^23 molecules of H2o

LUCKY_DIMON [66]

You multiply avogadro's number to what you were given.
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That should be the right answer but I'm not sure. It has been awhile since I have done this.

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a closed flask of air (0.250 L) contains 5.00 "puffs" of particles. The pressure probe on the flask reads 93 kPa. A student uses

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Answer: New pressure inside the flask would be 148.8 kPa.

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$PV=nRT$

As the flask is a closed flask, so the volume remains constant. Temperature is constant also.

So, the relation between pressure and number of moles becomes

$P=n\\or\\\frac{P}{n}=constant$

$\frac{P_1}{n_1}=\frac{P_2}{n_2}$

Initial conditions:

$P_1=93kPa\\n_1=5\text{ puffs}$

Final conditions: When additional 3 puffs of air is added

$P_2=?kPa\\n_2=8\text{ puffs}$

Putting the values, in above equation, we get

$\frac{93}{5}=\frac{P_2}{8}\\P_2=148.8kPa$

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2 years ago

In which step of a four-stroke engine cycle does the car release CO2, H2O, and CO?

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Answer:

$\boxed{\text{exhaust stroke}}$

Explanation:

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$\text{The cylinder releases CO$_{2}$, CO, and H$_{2}$O during the }\boxed{\textbf{exhaust stroke}}$

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Answer:

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The correct answer is C) A substance changes color when heated, but changes back when cooled. Hope this helps.

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