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Alexus [3.1K]
3 years ago
5

Which of the following statements is true? The atmosphere is an example of a solution. In a glass of sugar water, sugar is the s

olvent. The individual substances in a mixture lose their original chemical properties. All of the above.
Physics
2 answers:
Juli2301 [7.4K]3 years ago
6 0
All of the above is the correct answer sir have a great day!
Lina20 [59]3 years ago
3 0

Answer : The true statement is, The atmosphere is an example of a solution.

Explanation :

Mixture : It is defined as the substance that is made by the combination of two or more different components.

Solution : It is a mixture in which the minor component (solute) is uniformly distributed within the major component (solvent).

Solute : It is the component which is present in smaller proportion and is solid for solid in liquid solution.

Solvent : It is the component which is present in larger proportion and is liquid for solid in liquid solution.

Homogeneous mixtures : It is defined as the mixtures that appears uniformly throughout the solution and the particle size or shapes are not different.

Heterogeneous mixtures : It is defined as the mixtures which appears non-uniformly throughout the solution and the particle size or shapes are also different.

  • The atmosphere is an example of a solution.

This statement is true because atmosphere is an example of heterogeneous mixtures which is a part of solution.

  • In a glass of sugar water, sugar is the solvent.

This statement is wrong because sugar is solute and water is solvent.

  • The individual substances in a mixture lose their original chemical properties.

This statement is wrong because the individual substances in a mixture retain their original chemical properties.

Hence, the true statement is, The atmosphere is an example of a solution.

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elixir [45]

Answer:

600m

Explanation:

v=30m/s

t=20s

s=VT

20×30=600m

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2 years ago
A biker first accelerates from 0.0 m/s to 6.0 m/s in 6 s, then continues at this speed for 5 s. What is the total distance trave
Svetradugi [14.3K]

Answer:

48m

Explanation:

Given the following data;

Initial velocity = 0m/s

Final velocity = 6m/s

Time, t = 6 secs

Time, T2 = 5 secs

Mathematically, acceleration is given by the equation;

Acceleration (a) = \frac{final \; velocity  -  initial \; velocity}{time}

Substituting into the equation;

a = \frac{6 - 0}{6}

a = \frac{6}{6}

Acceleration, a = 1m/s²

<u>To find the distance covered in the first phase;</u>

<em>Solving for distance, we would use the second equation of motion;</em>

S = ut + \frac {1}{2}at^{2}

<em>Substituting the values into the equation;</em>

S = 0(6) + \frac {1}{2}*1*(6)^{2}

S = 0 + \frac {1}{2}*1*36

S = 0.5 *36

Distance, S1 = 18m

<u>For the second phase, time T2 = 5 secs;</u>

<em>Mathematically, speed is given by the equation;</em>

Speed = \frac{distance}{time}

<em>Making distance the subject of formula, we have;</em>

Distance, S = speed * time

<em>Substituting into the above equation;</em>

Distance, S = 6 * 5

Distance, S2 = 30m

Total distance = S1 + S2 = 18m + 30m = 48m

Total distance = 48m

<em>Therefore, the total distance traveled by the biker is 48m.</em>

4 0
3 years ago
A sample of O2 occupies 75 L at 1 ATM. If the volume of the sample doubles, what is the new pressure of O2?
denis23 [38]

Answer:0.50 atm

Explanation:(1atm)(75 L)=p2(150 L)

3 0
3 years ago
Knowing the speed of light (3x10m/s), calculate how long a
vivado [14]

Answer:

9.5 x 10^15 meters per year

Explanation:

So, you have:

\frac{300,000,000}{1} \frac{meters}{second}

We want the amount of meters light travels in one year. There are 3600 seconds in 1 hour, 24 hours in 1 day, and 365 days in a year. Using these conversion factors, we can set up some nice cancellations:

\frac{300,000,000}{1} \frac{meters}{second}\frac{3600}{1} \frac{seconds}{hour} \frac{24}{1} \frac{hours}{day} \frac{365}{1} \frac{days}{year}

Seconds will cancel, hours will cancel, days will cancel. We have meters per year:

300,000,000*3600*24*365\frac{meters}{year} =9.5x10^{15}\frac{meters}{year}

5 0
2 years ago
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