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2 years ago

Helppp

Chemistry

1 answer:

d1i1m1o1n [39]2 years ago

4 0

Answer:

Medication

Explanation:

These pharmaceuticals can pollute our water and unintentionally expose us to the chemicals in these medications. Recent studies have found that medicines flushed down the drain can contaminate our lakes and streams, which can hurt fish and other aquatic wildlife, and end up in our drinking water.

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At sea level water usually boils at 100. °C and 760. mmHg pressure. On Mt Whitney, the pressure is about 560. mmHg. At what temp

WITCHER [35]

Answer:

91.7°C

Explanation:

We suppose you have a formula to work from. However, that is not supplied with this problem statement, so we looked one up.

The formula in the attachment is supposed to have good accuracy in the temperature range of interest. It gives vapor pressure of water in kPa, not mmHg, so we needed the conversion for that, too.

560 mmHg corresponds to about 74.66 kPa. The attached "Buck equation" formula is used to find the corresponding temperature. The exponential equation could be solved algebraically using logarithms and the quadratic formula, but we choose to find the solution graphically.

Water boils at about 91.7 °C on Mt. Whitney.

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3 years ago

A spoonful of salt is stirred into a pot of water.The salt is a

pshichka [43]

Answer:

the salt is a solute in this instance

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3 years ago

What does the atomic number of an element tell you?

stiv31 [10]

The atomic number of an element tells you the number of protons that an atom of the given element has.

7 0

3 years ago

Ethylene glycol (C2H6O2) is used as an antifreeze in cars. If 450 g of ethylene glycol is added to 4.25 kg of water, what is the

slamgirl [31]

cccccccccccccccccccccccccccccccccccccc

3 0

3 years ago

A turtle moves at a speed of 1.0km/h. How fast is the turtle moving in meter per second

e-lub [12.9K]

Answer:

The speed of the turtle is 9.41 centimeters per second.

Explanation:

Speed of small turtle = 566 furlong/fortnight

1 furlong = 20,116.8 cm

1 fortnight = 1,209,600 seconds

Speed of small turtle in centimeter per seconds:

The speed of the turtle is 9.41 centimeters per second.

Explanation:

5 0

3 years ago