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svetlana [45]
3 years ago
15

Surface tension ________________________.

Chemistry
1 answer:
Alex73 [517]3 years ago
6 0
C) is higher for nonpolar substances than for polar ones

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A container holds 0.490 m3 of oxygen at an absolute pressure of 5.00 atm. A valve is opened, allowing the gas to drive a piston,
mash [69]

<u>Answer:</u> The new volume will be 2.04m^3

<u>Explanation:</u>

To calculate the new volume, we use the equation given by Boyle's law. This law states that pressure is directly proportional to the volume of the gas at constant temperature.

The equation given by this law is:

P_1V_1=P_2V_2            (at constant temperature)

where,

P_1\text{ and }V_1 are initial pressure and volume.

P_2\text{ and }V_2 are final pressure and volume.

We are given:

P_1=5.00atm\\V_1=0.490m^3\\P_2=1.20atm\\V_2=?m^3

Putting values in above equation, we get:

5atm\times 0.490m^3=1.20\times V_2\\\\V_2=2.04m^3

Hence, the new volume will be 2.04m^3

5 0
3 years ago
Energy from the sun travels to the earth through
julia-pushkina [17]

Answer:

D. Infrared Radiation

I hope this helps.

8 0
3 years ago
What will Knowledge of chemistry enable you to do ?
vekshin1
The knowledge will help me in:
<span>- explain the natural world, specifically the interaction between substance that caused an occurrence within our environment
- career opportunities, because all company that produce consumable products will need a profound knowledge in chemistry
- informed citizens, so i could make a better decision for my own health</span>
3 0
4 years ago
What is the molarity of the 8.76 g of Na2S dissolved in 0.500 L of solution?
AlexFokin [52]

Answer:

.224 M

Explanation:

To begin, we need to find the molar mass of Na2S

  • Na=22.99g, S=78.05g
  • 2(22.99)+1(32.07)=78.05

To find Molarity, we use the equation M=moles/Liters of solution

We are given grams, so we must divide by the molar mass of Na2S to find moles.

  • 8.76g Na2S / 78.05g/mol Na2S= .112 moles

Now we use our Molarity equation:

  • .112 moles Na2S / .500L of solution = .224 M
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2 years ago
An area with an average annual temperature of more than 64°F and greater than 59 inches of annual rainfall would be an example o
aalyn [17]

Answer:

Based on the temperature and rainfall, it is the tropical

5 0
3 years ago
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