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hram777 [196]
3 years ago
14

Which of the following are responsible for surface currents a. the wind and density

Chemistry
2 answers:
SCORPION-xisa [38]3 years ago
7 0
B-wind and the earth's rotation
GREYUIT [131]3 years ago
4 0

Answer: b. wind and the earth rotation

Explanation:

The surface oceanic water currents originates in the water due to the wind currents blowing over the surface of the water creating a specific pattern in the water and the other factor responsible is spinning motion of the earth. The surface oceanic currents forms a large circular pattern in the water that is called as gyre.

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The vapor pressure of pure water at 296 K is 2778.5 Pa. The vapor forms an ideal gas. 1) In some oil, the equilibrium concentrat
Murljashka [212]

Explanation:

It is given that vapor pressure of pure water at 296 K is 2778.5 Pa.These vapors will result in the formation of an ideal gas.

Now, as water is covered with oil and contains only 1% molecules of water. Hence, the vapor pressure of this mixture will also be equal to the vapor pressure of pure water.

So, vapor pressure of mixture = 1% vapor pressure of pure water

Therefore, \text{(Vapor pressure)}_{mixture} = \frac{1}{100} \times 2778.5 Pa

                                                 = 27.785 Pa

Thus, we can conclude that the equilibrium vapor pressure of water above the oil layer is 27.785 Pa.

3 0
3 years ago
Paul determines that the hydrogen ion concentration of his unknown solution is 3.60×10^-5 M. what is the pH of this solution?​
vivado [14]

Answer:

<h2>pH = 4.44 </h2>

Explanation:

The pH of a substance can be found by using the formula

p H  =  -   log[ H^{ + }  ]

where [ H+ ] is the hydrogen ion concentration of the solution

From the question

[ H + ] = 3.60 × 10^-5 M

So the pH is

pH =  -  log(3.60 \times  {10}^{ - 5} )  \\  =4.44369749923

We have the final answer as

<h3>pH = 4.44 </h3>

Hope this helps you

4 0
3 years ago
1. Raw egg to boiled egg.
QveST [7]

Answer:

1.Irreversible

2.Physical

3.

6 0
3 years ago
Can you help me come up with at least three questions about potential and kinetic energy?
Phoenix [80]

Questions:

1) Kinetic energy is the energy an object has due to its ________.

2) Kinetic energy can be calculated from what two measurements?

3) What is the standard unit of measurement for kinetic energy?

4) What would happen to the kinetic energy of an object if you doubled the mass?

--------------------------------------------------------------------------------------------------------------

Answers:

1) Motion

2) Velocity and mass

3) Joule

4) The kinetic energy would double

4 0
3 years ago
A 45.8 mg sample of phosphorus reacts with selenium to form 133 mg of the compound. Part A What is the empirical formula of the
ss7ja [257]

Answer:

P4Se3

Explanation:

Applying the Law of Conservation of Mass:

(133 mg total) - (45.8 mg P) = 87.2 mg Se

Dividing by the molar mass,

Phosphorus:-(45.8 mg P) / (30.97376 g P/mol) = 1.4786 mmol P

Selenium:-(87.2 mg Se) / (78.96 g Se/mol) = 1.1044 mmol Se

Divide by the smaller number of millimoles:

(1.4786 mmol P) / 1.1044 mmol = 1.339

(1.1044 mmol Se) / 1.1044 mmol = 1.000

multiply by 3, to get a whole number interger. then round to the nearest whole numbers to find the empirical formula.

Therefore the empirical formula is P4Se3

7 0
4 years ago
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