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Radda [10]
3 years ago
11

Can you solve question 5 and 6 only​

Chemistry
1 answer:
Yanka [14]3 years ago
4 0

Answer:

oil floats on water because it is heavier than water

Salt is no longer visible after stirring as salt dissolves in water

by filtration

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C) A football feels hard on a hot day but feels softer in the evening​
Mariana [72]

Answer: ^_^

Explanation:

its because during day time the ball becomes heated up and the air inside it try to come out as the heat air always try to go up swelling up the ball,

so in the evening when the air cools down the ball too cools down and air inside it also cools down making the ball feel soft,

Therefore, a football feels hard on a hot day but feels softer in the evening​

Hope it helped u,

pls mark as the brainliest

^_^

5 0
3 years ago
Read 2 more answers
What could we use to measure the energy of particles when we are unable to see them
iVinArrow [24]

Answer:

Temperature.

Explanation:

Temperature is a measure of the average kinetic energy of a system.

6 0
3 years ago
The bobsled is an event in the winter Olympics. In this event, each sled and its riders speed down an icy track. Which factor(s)
goldenfox [79]

Answer:

Speed and Mass

3 0
3 years ago
Read 2 more answers
If the vinegar buret tip were not filled with solution before its initial reading was taken, would the calculated normality of t
Alexxx [7]
The normality that would be calculated will be to high because the change in volume will be greater than the actual change in volume. if the buret tip is not filled when reading the initial volume, the actual volume should be lesser with that reading. so if you will you the higher reading the change in volume or the volume you use in titration will be higher than the actual
8 0
3 years ago
192 grams of (NH 4 ) 2 CO 3 (N Molar Mass : 96g ) are dissolved to make 2150 mL of solution , what is the concentration of this
svlad2 [7]

The concentration of a solution of 192 grams dissolved to make 2150 mL of solution is 0.93M. Details about concentration can be found below.

<h3>How to calculate concentration?</h3>

The concentration of a solution can be calculated by dividing the number of moles of the substance by its volume.

no of moles of NH42CO3 = 192g ÷ 96g/mol = 2 mol

Concentration of solution = 2 moles ÷ 2.15L

Concentration of solution = 0.93M

Therefore, the concentration of a solution of 192 grams dissolved to make 2150 mL of solution is 0.93M.

Learn more about concentration at: brainly.com/question/22997914

#SPJ1

4 0
2 years ago
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