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jonny [76]
3 years ago
8

Where Would It Fall?

Chemistry
1 answer:
AleksAgata [21]3 years ago
6 0

Answer:  Walter:  On the Ocean

Explanation:  Oceans cover 71% of Earth.  Chances are 71% it will land with a salty splash.

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A gas sample occupies 200 mL at 760 mm Hg. What volume does the gas occupy at 400 mm Hg?
astra-53 [7]

Answer:

201.9

Explanation:

when you divided 760 with 400 yo get 19.0 the add it with 200 you get that answer

3 0
3 years ago
What are the functions of arteries, veins, and capillaries?
lilavasa [31]

Answer:

they all have one common function which is to pump blood and Arteries carry blood away from the heart; the main artery is the aorta. ... Capillaries carry blood away from the body and exchange nutrients, waste, and oxygen with tissues at the cellular level. Veins are blood vessels that bring blood back to the heart and drain blood from organs and limbs.

Explanation:

6 0
3 years ago
Which two substances are among the four major types of organic compounds made by living things
Reil [10]
Which two substances are among the four major types or organic compounds made by living things, The answer C,
would be carbon dioxide
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3 years ago
A freight train rushed down the track going south at 60 mph. This is an example of ____.
dalvyx [7]
This Question Would Be "b"
4 0
4 years ago
In a study designed to prepare new gasoline-resistant coatings, a polymer chemist dissolves 6.143 g poly(vinyl alcohol) in enoug
Ghella [55]

Answer:

MM = 5,521.54 g/mol

Explanation:

To solve this, we need to use the expression for osmotic pressure which is the following:

π = MRT (1)

Where:

M: Concentration of the solution

R: gas constant (0.082 L atm/ mol K

T: temperature in K

25 °C in Kelvin is: 25 + 273.15 = 298.15 K

Now, we do not have the concentration of the solution, but we do have the mass. and the concentration can be expressed in terms of mass, molar mass and volume:

Concentration (M) is:

M = n/V (2)

and n (moles) is:

n = m/MM (3)

Therefore, if we replace (2) and (3) in (1) we have:

π = mRT/V*MM

Solving for MM we have:

MM = mRT/πV (4)

All we have to do now, is replace the given data and we should get the value of the molar mass:

MM = 6.143 * 0.082 * 298.15 / 0.1 * 0.272

MM = 150.1859 / 0.0272

<em>MM = 5,521.54 g/mol</em>

<em>This is the molar mass.</em>

7 0
3 years ago
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