The solubility of KCl(s) in water depends on the(1) pressure on the solution
(2) rate of stirring
(3) size of the KCl sample
(4) temperature of the water

Answers

Answer 1

Answer: The answer is (4). The solubility of a substance majorly depends on its property. And the temperature and pressure can also influence. But the pressure can just influence the solubility of gas. The choice of (2) and (3) can affect the speed of dissolving.

Answer 2

Answer:

Answer:

4) temperature of the water

Explanation:

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Calculate the number of moles
230 g of C2H5OH
560 g of C2H4
0.640 g of SO2

Answers

mass of C = 12g
mass of H = 1g
mass of O = 16g
mass of C2H5OH = 46g = 1 mole

1 mole of C2H5OH ------------ 46g
x moles of C2H5OH ----------- 230g
x = 5 moles of C2H5OH

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mass of C = 12g
mass of H = 1g
mass of C2H4 = 28g = 1 mole

1 mole of C2H4 -------------- 28g
x moles of C2H4 ------------- 560g
x = 20 moles of C2H4
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mass of S = 32g
mass of O = 16g
mass of SO2 = 64g = 1 mole

1 mole of SO2--------------------- 64g
x mole of SO2 -------------------- 0,64g
x = 0,01 moles of SO2

Ozone is dangerous to human health only when it is found in the what?

Answers

Only when it is found in the atmosphere, because it will create a hole, letting strong UV rays shine down on earth, heating it up, and causing skin cancer in humans and other animals.

Answer:

A) Stratosphere

B) trosphere

C)mesosphere

D)thermosphere

Explanation:

D) thermosphere

In ____________, electrons are gained by atoms and lost by others

Answers

the answer is ionic bonds

in ions atoms lose and gain electrons

A liquid is placed in an evacuated, sealed flask. When will this closed system reach dynamic equilibrium?

Answers

The liquid that is placed in an evacuated sealed flask will reach in dynamic equilibrium if the amount of liquid inside the flask will stop converting into vapor. This process is to balanced the amount of substance of both phases inside the flask.

What is the scale factor used to create a model of an animal from the actual animal? 1) 1:10 2) 1:20 3) 1:30 4) 1:40

Answers

The scale factor used to create a model of an animal from the actual animal depends on the size and details required for the model. However, among the options provided, the most commonly used scale factor for creating detailed animal models is 1:40.

What is the atomic mass of w