For each of the following solutions, name the solvent and the solute
Saltater
Seltzer water
Lemonade made from powdered drink mix
Answers
Answer:
Explanation:
The solvent in all the given solutions is water. The solute in the salt water is salt and the solute in the seltzer water or carbonated water is carbon dioxide. The solute in lemonade is lemon pulp juice.
What is a solution?A solution is the combination of a solute and a solvent. The solute can be of completely soluble , partially soluble or insoluble in the solvent. The completely dissolving solute forms a homogeneous solution.
A partially soluble or insoluble solution solutes form heterogeneous solutions. The solubility depends on the bond type, mass, pressure, temperature etc.
The solution salt water is formed by dissolving salt in the solvent, water. Similarly, the seltzer water or carbonated water is formed by carbon dioxide dissolved in water solvent.The solute in lemonade is lemon juice and solvent is water.
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Related Questions
Convection currents not only in the Earth's core but in what?
A. Only liquids
B. When a dense substance is warmer than a less dense substance
C. In both liquids and gases
D. Weakly in solids
Answers
Answer:
B. When a dense substance is warmer than a less dense substance
Explanation:
In a nuclear reaction, which of the following must be conserved?
A. the number of neutrons
B. the count of nucleons
C. charge
D. the number of electrons
Answers
Answer:
c
Explanation:
Answer:
c
Explanation:
Television satellites use infrared waves to transmit. true or false
Answers
Answer: false
Explanation: Because Television satellites use microwaves waves to transmit.
Television satellites don't use infrared waves to transmit.
The shock from an electric fence would be the least unpleasant if you were
standing
A. on dry, thick gravel
B. in tall grass
C. In wet grass
OD. near the livestock
Answers
Answer: on dry , thick gravel
Explanation:
An isotope releases radiation in order to ____________ its nucleus.
stabilize
destroy
Answers
Answer:
stabilize
I think this should be the answer...
Answer stabilize
Explanation: hope it’s right
How much current must be applied across a 60 Ω light bulb filament in order for it to consume 55 W of power? Unserious answers will be deleted, and reported. (Please show some work)
Answers
Answer: current I = 0.96 Ampere
Explanation:
Given that the
Resistance R = 60 Ω
Power = 55 W
Power is the product of current and voltage. That is
P = IV ...... (1)
But voltage V = IR. From ohms law.
Substitutes V in equation (1) power is now
P = I^2R
Substitute the above parameters into the formula to get current I
55 = 60 × I^2
Make I^2 the subject of formula
I^2 = 55/60
I^2 = 0.92
I = sqr(0.92)
I = 0.957 A
Therefore, 0.96 A current must be applied.
An object has an acceleration of 18.0 m/s/s. If the net force was doubled and the mass were tripled then the new acceleration would be
Answers
Answer:
12.0 m/s²
Explanation:
Newton's second law:
F = ma
Solving for acceleration:
a = F/m
If force is doubled and mass is tripled:
a' = (2F)/(3m)
a' = ⅔ (F/m)
a' = ⅔ (18.0 m/s²)
a' = 12.0 m/s²
The new value of acceleration of object is 12 m/s².
Given data:
The magnitude of acceleration of object is, [tex]a =18 \;\rm m/s^{2}[/tex].
Let F be initial net force and m be the initial mass. Then as per the problem, the new values of each are,
F' = 2F
m' = 3m
Apply the Newton's Second law, which says that the product of mass and acceleration of object given net force. Then,
F = ma
F = m(18)
F/m = 18 .................................................(1)
Now, for new value of net force,
F' = m'a'
2F = (3m) a'
2F/3m = a'
a' =2/3× (18) (From equation 1)
a' = 12 m/s²
Thus, we can conclude that the new value of acceleration of object is 12 m/s².
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Determine What is the efficiency of a machine whose work output is 4 joules, and whose work input is 10 joules?
Answers
Answer:
The efficiency of the machine is 40 %.
Explanation:
We have,
Output work by the machine is 4 joules and the input work is 10 joules.
It is required to find the efficiency of a machine. The efficiency of a machine is given by the ratio of output work to the input work. It is given as :
[tex]\eta=\dfrac{4}{10}\times 100\\\\\eta=40\%[/tex]
So, the efficiency of the machine is 40 %.
Which of the following provides the best summary of the process of natural
selection?
A. Population sizes increase with every generation.
B. Individuals pass on their best traits to their offspring.
C. Mutations help an individual survive and reproduce.
D. Well-adapted individuals survive and reproduce.
Answers
Answer:
B. Individuals pass on their best traits to their offspring.
Explanation:
because genes are always passed from parents to offspring.
The best summary of the process of natural selection is Individuals pass on their best traits to their offspring. Hence, the correct option is B.
What is the theory of Natural selection?The theory of natural selection gives the mechanism of evolution. It defines the method of different survival and reproduction of individuals due to differences in phenotype.
The theory of natural selection was proposed by Charles Darwin as a way of adaptation and speciation. The variations occur in organisms by random mutations occurring in the genome of individual organisms and this change in mutations may inherit in offspring.
Organisms that are more adapted to the environment are more likely to survive and pass on the genes to future generations. This process cause changes to the generations and diverged over time.
The organisms produce more offspring that are able to survive in the environment. The four factors of natural selection are Variations, Inheritance, Selection, and time.
Thus, the best summary of the process of natural selection is individuals pass on their best traits to their offspring. Hence, the ideal solution is option B.
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Which term is defined as the force applied to the object divided by the mass of the object?
speed
velocity
mass
acceleration
Answers
Answer:
acceleration
Explanation:
From the question: "FORCE... divided by the MASS..." is translated to a math equation as "F / m", where "F" is the force and "m" is the mass.
Now, the second Newton's law says "F = m . a ", where a is acceleration.
If you move m to the left side, clearly you have "F / m", and "a" is alone to the right. Math equation:
a = F / m
acceleration = force / mass
For any energy source including batteries, there will be conduction of electricity if there is a potential
difference
similarity
Answers
Answer:
Difference
Explanation:
The electricity conduction happens when there is a flow of current. The flow of current from one point to another can only occur if there is a potential difference.
If there is not potential difference between two points the current will not flow and thus electricity conduction will also be not possible. The current in the circuit will flow from higher potential point to lower potential point.
Science question!! Please help
Answers
Answer:
It lasted two hours or 120 minutes, it would be smart to say that he was riding up it during the interval 20-60min and riding down it during the interval 60-80min. This is an assumption made because of his speed, when going up a hill our speed is slower while when riding down it, you gain a lot of speed.
A light beam approaches a plain mirror at an incident angle of 39
degrees. What is the angle of reflection?
Answers
2. Which is a possible unit of mass?
gram
liter
meter
Answers
Answer:
Gram
Explanation:
Meter is a unit used to measure length and liter is used to measure liquids therefore using process of elimination the answer has to be gram
4. Convert this distance( 9cm)into MILES, using the scale provided:
Answer:
Answers
A student measured the volume of three rocks. The diagram above shows the
results of her investigation. Which correctly orders the rocks from least to
greatest?
A. Rock A, Rock B, Rock C
B. Rock C, Rock A, Rock B
C. Rock B, Rock C, Rock A
D. Rock A, Rock C, Rock B
Answers
Answer:
option B is right
...............
Answer: A C B
Explanation:
If you look closely the water levels show which is bigger fun fact.
The pressure of water at the bottom of a well is _________ than at the surface of the pond.
Answers
Answer:
Greater
Explanation:
When you go deeper in water, the presure increases, the deeper you go, so it would be greater in a well then the surfce of a pond. Hope this helps!
What evidence (data) would support the claim that an increase inhuman population contributes to the emission of greenhouse gases?
A. greenhouse gas production has leveled off once the global population reached a certain number
B. amount of greenhouse gases produced varies with the level of development a country has reached
C. greenhouse gas emissions per individual humas has decreased over the past 30 years
D. 10 countries with the largest populations are the countries that produce the most greenhouse gases
Answers
The answer would be D. 10 countries with the largest populations are the countries that produce the most greenhouse gases.
This is the only statements that supports the idea of large populations affecting the emissions of greenhouse gases.
Hope this helps!
_ is (are) the type of electromagnetic wave(s) with a wave length between 700 and 400 billionths of a meter.
Answers
Answer:
Visible Spectrum is the type of electromagnetic wave with a wave length between 700 and 400 billionths of a meter.
A loop with a break in it that prevents current from flowing is called a(n)_______
circuit.
Answers
Answer:
an open circuit
Explanation:
Which layer of the Sun appears pinkish-red during a solar eclipse?
Answers
Answer:
the answet is the 3 layer of the sun
Explanation:
isaw a solar eclipse and leanerd is
Answer:
Chromosphere
Explanation:
It is the second of the three main layers in the Sun's atmosphere and is roughly 3,000 to 5,000 kilmoeters deep.It's rosy red color is only apparent during eclipses.The chromosphere sits just above the photosphere and below the solar transtion region.
A few Physics questions regarding circuits and electricity.
Answers
Answer:
7.series
Explanation:
in parallel is like if one bulb stops work all the others will stop too
in series it remains constant or it wont change throughout a series circuit
The functional unit of the kidney is the ________?
Answers
Answer:
nephron
Explanation:
I can't really explain this one.
Answer:
nephron
Explanation:
thats what it is
does space have plenty of oxygen
Answers
Answer:
I don't think so because we can't breathe in space
Explanation:
Answer:
No
Explanation:
There is no oxygen in space, so astronauts must bring tanks of oxygen
Study the image of a seismic graph.
Graph of P & S Wave Travel Times, showing Travel time in minutes across distance in kilometers for P and S waves. S wave starts at zero kilometers, zero minutes, and increases to 10,000 kilometers, 25 minutes. P wave starts at zero kilometers, zero minutes and increases to 10,000 kilometers, 13 minutes.
About how far does the S wave travel through Earth in 13 minutes?
2,000 km
4,000 km
6,000 km
8,000 km
Answers
Answer:
It is B. 4,000Explanation:
I just took the quiz on edge2020
Answer:
B
Explanation:
identify the correct order of increasing intermolecular force of attraction for the three most common states of matter.
A) liquid - solid - gas
B) Solid - liquid - gas
C) gas - liquid - solid
D) gas - solid - liquid
Answers
The correct order of increasing the intermolecular force of attraction for the three most common states of matter is C) gas - liquid - solid.
What is an intermolecular force in matter?An intermolecular force is a force of attraction or repulsion that exists between molecules or atoms within a substance.
Here,
In the gaseous state, the intermolecular forces are weak, and the molecules are far apart and move freely in all directions. In the liquid state, the intermolecular forces are stronger, and the molecules are closer together, but still able to move past each other. In the solid state, the intermolecular forces are the strongest, and the molecules are tightly packed together in a fixed arrangement, which results in a definite shape and volume.
Therefore, the correct order of increasing the intermolecular force of attraction for the three most common states of matter is gas, liquid, and solid.
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a force of 20 N acted on a ball thereby imparting an impulse of 70 Ns to the ball. For how long did the force act on the ball?
Answers
Answer:3.5 seconds
Explanation:
Due very soon! 100 points please answer for all three diagrams!
The woman supports a 100 N load with the friction free pulley system shown below. Fill in the spring scale readings that show how much force she must exert.
Answers
Answer:
1. 100N 2. 50N 3. 50N
Explanation:
The spring scale reading that shows how much force she must exert is 1. 100N 2. 50N 3. 50N.
What is the spring scale?A simple and affordable way to determine mass is by using spring balances. The mass is suspended from the end of the spring, and the spring's deflection as a result of the mass's downward gravitational pull is measured in relation to a scale.
The word "force" has a specific meaning in science. At this level, calling a force a push or a pull is entirely appropriate. A force is not something an object "has in it" or that it "contains."
One thing experiences a force from another. There are both living things and non-living objects in the concept of a force.
Therefore, her required force is indicated by the spring scale readings of 1. 100N, 2. 50N, and 3. 50N.
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This graph provides data on the amount of water needed to grow four different crops, each used to produce ethanol, a fuel. For each crop, the data shows how many liters of water are needed to produce one liter of ethanol fuel. Which of the following would require using the most water? *
Producing 100 L of ethanol from sugar cane
Producing 200 L of ethanol from sugar beet
Producing 300 L of ethanol from potatoes
Producing 400 L of ethanol from corn
Answers
Answer:
Producing 300 L of ethanol from potatoes
Explanation:
From the diagram, one liter of ethanol production from sugar cane requires 2000 liters of water. Hence, in order to produce 100 L of ethanol from sugar cane, 2000 x 100 = 200,000 L of water.
1000 liters of water is needed to produce 1 liter of ethanol from sugar beet. Hence, 200 x 1000 = 200,000 L of water will be needed to produce 200 liters of ethanol.
1000 liters of water is also required to produce 1 liter of ethanol from potatoes, hence, 300 x 1000 = 300,000 L of water would be required to produce 300 L of ethanol from the same material
About 500 liters of water is required to produce 1 liter of ethanol from corn, hence, 400 x 500 = 200,000 L of water would be needed to produce 400 L of ethanol from corn.
In conclusion, producing 300 L of ethanol from potatoes would require using the most water among all the options.
An airplane moves in straight level flight at constant velocity. What is the
net force acting on it if the mass of the plane is 1000 kg and the frictional
drag of the air is 1800 N? *
Answers
Answer:
Net force = 0
Explanation:
We have, an airplane moves in straight level flight at constant velocity.
Mass of the plane is 1000 kg
The frictional force acting of the air is 1800 N.
It is required to find the net force acting on it. We know that net force is given by the product of mass and acceleration. But here the airplane moves with constant speed, it means its acceleration is equal to 0 such that net force is equal to 0.
