How many grams of kclo3 can be dissolved in 100 grams of water at 30 degrees Celsius

Answers

Answer 1

Answer: The solubility of KClO₃ : ( 10.1 / 100 g water ) at 30ºC

10.1 g ------------ 100 g ( H₂O )
? g ------------- 100 g ( H₂O )

Mass of KClO₃ :

100 * 10.1 / 100

1010 / 100 = 10.1 g of KClO₃

hope this helps!

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Two liquids that are soluble in each other are said to be____

Answers

I believe oil is soluble

How many grams of sodium chloride are present in a 0.75 M solution with a volume of 500.0 milliliters?

Answers

The units for molarity is moles of solute per liter of solution which means if you multiply the molarity of a solution by its volume you get how many moles of solute are in the solution. (0.75Mx0.5L=0.375mol NaCl) Then you can multiply the moles of sodium chloride (0.375 mol) by its molar mass (58.45 g/mol) to get 21.92g of sodium chloride. That means there is 21.92 grams of sodium chloride in 500mL of 0.75M solution. I hope this helps. Let me know if anything is unclear.

A body moving with a velocity of 20 m/s begins to accelerate at 3 m/s2. How far does the body move in 5 seconds?A. 137.5 m
B. 196 m
C. 260 m
D. 162.5 m

Answers

The distance covered will be:

$d = v_0\cdot t + (1)/(2)a\cdot t^2 = 20(m)/(s)\cdot 5\ s + (5)/(2)(m)/(s^2)\cdot 5^2\ s^2 = \bf 162,5\ m$

The correct answer is D).

The Correct answer to this question for Penn Foster Students is: 137.5 m

Photosynthesis transfers carbonfrom the nonliving environment to the living environment.
from the cell to the air.
from the water to the cell.
from the nucleus to the mitochondria.

Answers

Photosynthesis is the process in plants to make their food. This involves the use carbon dioxide to react with water and make sugar or glucose as the main product and oxygen as a by-product. I think the best answer would be the first statement.

Answer: Option A

Explanation:

Photosynthesis is a process that helps the plants to make food by the help of carbon dioxide from the atmosphere and water, nutrients from soil and converts it into glucose in the presence of sunlight.

Atmosphere is a non living component of environment where carbon dioxide is present and it is transferred to plants which is a living component of ecosystem.

Which will cause a decrease in gas pressure in a closed containerA) Reducing the volume
B) Adding more gas
C) Lowering the temperature

Answers

By lowering the temps, there is a decrease in the pressure inside. so C.

Answer: C, Lowering the temperature

Explanation: Gradpoint

3. give reasons(a) A gas fills completely the
vessel in which it is kept.
(b)A gas exerts pressure on the
walls of the container
(c) A wooden table should be
called a solid
(d) We can easily move our hand
in air but to do the same
through a solid block of wood we need a karate
expert
we need a karate expert.

Answers

Answer:

A.A gas exerts pressure on the walls of the container. Reason: They have high kinetic energy and negligible force of attraction to move constantly moving with high speed in all directions. ... These collisions of the gas particles with the container walls exert pressure on the walls of the container.

B A gas exerts pressure on the walls of the container due to imapact of its gas molecules with hight velocity .

C.A wooden table should be called a solid. Reason: It has a definite shape and volume. It is very rigid and cannot be compressed, i.e., it has a solid characteristic.

D.We can easily move our hand in air but to do the same through a solid block of wood we need a karate expert. It is because the molecules of air has less force of attraction between them and a very small external force can separate them and pass through it.

Explanation:

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