1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Illusion [34]
4 years ago
11

Maddie wanted to make a sugar-water solution to put in her hummingbird feeder. She found some sugar cubes and was about to drop

them into a glass of water, when her brother suggested crushing the cubes before mixing. Was this a good suggestion? Why or why not? A) No. Crushed or cubed does not matter. B) Yes. Crushing the cube results in more sugar in the water. C) Yes. Crushing the sugar cube provides more contact between the sugar and water. D) No. The particle size does not matter as long as she stirs the mixture of sugar and water.
Physics
2 answers:
rusak2 [61]4 years ago
8 0

Answer: Option (C) is the correct answer.

Explanation:

Crushing the cubes before mixing it is a good suggestion because this will lead to increase in the number of particles. Hence, more is the number of solute particles more will be the interaction between the molecules of solute and solvent.

As a result, more will be the rate of reaction which means that when solute is added into the solvent after crushing it then it will readily dissolve into the solvent.

Thus, we can conclude that crushing the cubes before mixing is a good suggestion because crushing the sugar cube provides more contact between the sugar and water.

Liono4ka [1.6K]4 years ago
5 0

The answer is c , because the smaller the particles the less time it takes to dissolve

You might be interested in
A fillet weld has a cross-sectional area of 25.0 mm2and is 300 mm long. (a) What quantity of heat (in joules) is required to acc
HACTEHA [7]

Answer:

77362.56 J

163730.28571 J

Explanation:

A = Area = 25 mm²

l = Length = 300 mm

K = Constant = 3.33\times 10^{-6}

\eta = Heat transfer factor = 0.75

f_m = Melting factor = 0.63

T = Melting point of low carbon steel = 1760 K

Volume of the fillet would be

V=Al\\\Rightarrow V=25\times 300\\\Rightarrow V=7500\ mm^3=7500\times 10^{-9}\ m^3

The unit energy for melting is given by

U_m=KT^2\\\Rightarrow U_m=3.33\times 10^{-6}\times 1760^2\\\Rightarrow U_m=10.315008\ J/mm^3

Heat would be

Q=U_mV\\\Rightarrow Q=10.315008\times 7500\\\Rightarrow Q=77362.56\ J

Heat required to weld is 77362.56 J

Amount of heat generation is given by

Q_g=\dfrac{Q}{\eta f_m}\\\Rightarrow Q_g=\dfrac{77362.56}{0.75\times 0.63}\\\Rightarrow Q_g=163730.28571\ J

The heat generated at the welding source is 163730.28571 J

7 0
4 years ago
Extinction of a species is most likely to occur as a result of __________.
sergejj [24]
Extinction of a species is most likely to occur as a result of "<span>environmental changes"

In short, Your Answer would be Option D

Hope this helps!</span>
8 0
3 years ago
Read 2 more answers
Kennedy and Lilly are in science class. They are asked to prove that some forces are non-contact
Svetllana [295]

Answer:1,3 and 5

Explanation:

4 0
3 years ago
A 1500 kg car travelling at 25 m/s collides with a 2500 kg van which had
sertanlavr [38]
I’m not sure I think if you google it it should pop up or go on quizlet sorry
6 0
4 years ago
What is the gravitational attraction on you due to a mountain with a mass of 100 million metric tons 1 km away ?
nikklg [1K]

The magnitude of the gravitational attraction is 4\cdot 10^{-4} N.

Explanation:

The magnitude of the gravitational force between two objects is given by

F=G\frac{m_1 m_2}{r^2}

where

G=6.67\cdot 10^{-11} m^3 kg^{-1}s^{-2} is the gravitational constant

m1, m2 are the masses of the two objects

r is the separation between them

In this problem, we have

m_1 = 60 kg is my mass

The mass of the mountain is 100 million tons, and keeping in mind that

1 ton = 1000 kg

The mass of the mountain is

m_2 = 100 \cdot 10^6 tons =100 \cdot 10^6 tons \cdot (1000 kg/ton)=100\cdot 10^9 kg

The distance between me and the mountain is

r = 1 km = 1000 m

Therefore, the gravitational attraction is

F=\frac{(6.67\cdot 10^{-11})(100\cdot 10^9)(60)}{(1000)^2}=4\cdot 10^{-4} N

Learn more about gravitational force here:

brainly.com/question/1724648

brainly.com/question/12785992

#LearnwithBrainly

6 0
3 years ago
Other questions:
  • When humans look at the sky, it appears blue, but the Sun appears yellow. What causes this phenomenon?
    14·1 answer
  • How are the functions of the cytoskeleton and the cell wall similar
    10·1 answer
  • f a metal ball suspended by a rod is at rest, which force is responsible for balancing the force due to gravity?
    5·1 answer
  • Which planet could float on water? Mercury Earth Jupiter Saturn Uranus
    12·2 answers
  • Which of Jafar's statements are correct regarding distance and displacement?
    14·1 answer
  • A baseball is thrown at an angle of 40.0° above
    10·2 answers
  • What distinguishes a nebula and a star?
    14·1 answer
  • What happens to matter during chemical changes?
    12·1 answer
  • A ball droped from a building. How fast is it traveling after falling 3.55s
    8·1 answer
  • Which list places the layers of the sun in the correct order from innermost to outermost?
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!