Answer: The best answer is "The solute particles are carried into solution."
Explanation: I saw "best" because I don't know how to interpret "carried into solution." Does this refer to some micro-critter putting them into wheelbarrows? But it is better than the other options. Water (the solvent particles) are all polar. The solute (stuff being dissolved) DOES have an attraction for the solvebt (water), since water is also polar. The solute particles are very different: possible, but irrwelevant. As long as they are polar, I don't care what they look like.
None of the statements are true about dissolving a polar substance in water.
What happens when a polar substance is dissolved in water?When a polar substance is dissolved in water, the solute particles get surrounded by the water molecules to form hydration shells because of strong electrostatic interactions between the polar solute and polar water molecules. This process is called solvation or hydration.
The dissolution of a polar substance in water breaks the intermolecular forces within the solute particles that leads to the development of new forces between the solute and solvent particles.
However, the solute particles have attraction for the solvent molecules. Water being a polar solvent dissolves only polar compounds, but not dissolve nonpolar compounds because of lack of strong interactions between nonpolar molecules and water to overcome the cohesive forces among nonpolar molecules.
Therefore, none of the statements are true about dissolving a polar substance in water.
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Results when a few drops of acidified aqueous potassium manganate are added to potassium iodide
sorry for points ....
hope I helped
I NEED THE ANSWER QUICKKK!!!
Match each step of the scientific method with its matching example.
Match Term Definition
Analysis A) Based on what other scientists have done, algae life cycles are affected by light.
Research B) Under the same temperature and water conditions, green algae is grown under natural light, blue light, and green light.
Conclusion C) The data recorded in the experiment supports the hypothesis about how algae reproduce.
Experiment D) The growth of green algae is recorded every day for several weeks and compared.
Answer: This is hard to do accurately, but here is my best assessment.
Explanation:
Experiment: B - describes how the experiment was done
Conclusion: A - The data support the prevailing hypothesis
Research: D - This is what we analyzed
Analysis: C - We compared the data
If a person consumes 50% of their daily kilocalories from carbohydrates and 30% from protein, what percentage of their daily kilocalories will come from fat?
The percentage of daily kilocalories of the person that come from fat is 20%.
The diet of a person is composed mainly of carbohydrates (C), proteins (P) and fat (F), that is, the sum of the 3 sources amount to 100% of the consumed kilocalories. Given that 50% of the daily kilocalories of this person come from carbohydrates and 30% come from protein, the percentage that comes from fats is:
[tex]C + P + F = 100\%\\F = 100\% - C - P\\F = 100\% - 50\% - 30\% = 20\%[/tex]
The percentage of daily kilocalories of the person that come from fat is 20%.
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which of the following pair has a larger size? a)K or K- b)Br or Br- c)O2- or F- d) Li or Na
Answer:
jabvVbbnndbznnsnsksloplshebxbsnejxjevdjdjwjsjxbsjwpzbrjsjdndn
Explanation:
zusbejdnd.d
shsjsksosbejzjdhdbdjedhd
dudbskwjxbdbdjsijednjzhenejd3jdbvfbsj
susjdjksuwhwudnjwibdghejdooejejdhdbbsndjl2lekkw
A homogeneous mixture is a composition of two or more
impure substances in a definite proportion, displaying non-
uniform characteristics.
TRUE
FALSE
The answer is FALSE. I did it on ck-12
What method could be used to separate the components of gasoline?
Explanation:
The separation of gosoline from crude oil by heating until it reaches its boilling point is a separation technique called fractional distillation .It is the separation of a mixture such oil into their respect fraction.
Answer:
The answer is B, Distillation.
Explanation:
Nén một hỗn hợp khí gồm 3,0 mol nitơ và 7,0 mol hiđro trong một bình kín, phản ứng có sẵn chất xúc tác thích hợp và nhiệt độ của bình được giữ không đổi ở 450oC. Sau phản ứng thu được 8 mol một hỗn hợp khí.
(a) Tính hiệu suất phản ứng tổng hợp NH3.
(b) Tính thể tích khí amoniac được tạo thành (ở đktc)
1.) What is a scientific method
2.) What must you always do if you want your statement taken seriously
3.) The scientific method starts with a.
You need these points more than I do =)
Answer: Uh, thanks.
Explanation:
Photography is an important aspect of documenting a crime scene.
Group of answer choices
True
False
Explanation:
l believe it to be true , so I stand for TRUE
A teacher is instructing students about the states of matter. He wants to compare the
numbers of elements that exist as solids, gases, and liquids at room temperature.
Which kind of illustration should the teacher use to present this information?
The teacher can present this information using a bar chart.
In science, charts are commonly used to present information where comparison is necessary.
Bar charts are especially useful when we intend to show large changes.
In the periodic table, elements exists in various states of matter;
SolidLiquidGasSometimes, as a teacher, you may need to compare the number of elements that exist as solids, gases, and liquids at room temperature.
This comparison is easily brought out using a bar chart since the changes involve large numbers.
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Simplify - Factor a
Which particles represent a solid? *
Option 1
Option 2
Option 3
Option 4 - Surface of sun
Answer:
Option 1
Explanation:
Option number 1 is the most compact one which indicates it is a solid
Suggest why sodium and hydrogen ions do not diffuse at the same rate
Answer:
sodium has got ionic bonds that are weak
compared to hydrogen covalent bonds that are strong
PLEASE HELP. DUE TODAY
1. An atom with a _____ charge has the same number of protons and electrons.
2. An atom that has a different number of electrons and protons is called a(n) ____.
2. T or F? All atoms in an element contain an identical number of neutrons.
Answer:
Explanation:
1.An atom with a neutral charge are expected to have the same number of electrons and protons from Henry assumption (1914).
2. An atom with different number of electrons and protons are charge atom and they are called ion.
3. Yes.
A car travels 4 miles in 0.08 hours. The speed of the car is miles/hr.
Pls help thank you I would really appreciate it
Answer:
Explanation:
3618
what is the volume of a piece of metal that has a density of 6.68g.cm^3 and has a mass of 1975 g?
Answer: 296 grams/cm^3 (3 sig figs)
Explanation: Divide the mass by the volume to get grams/cm^3.
please help me with my question
Answer:
I think it should be B
Explanation:
Covalent bond is between non metals
help with the 3rd question plslsls I’ll brainlist.
1 - energy 2- heat 3 -plant
The boiling point of ethanol is 78.40 c. A student conducts an experiment and finds a boiling point at 75.70 c. What was the percent error? (Please show work I have no idea how to do this cause we haven't learned it yet)
Answer:
[tex]\% \: error = | \frac{origina - expirimental}{original} | \times 100 \\ | \frac{78.40 - 75.70}{78.40} | \times 100 \\ = \frac{2.7}{78.4} \times 100 \\ =3.44 \\ thank \: you[/tex]
6. Is there any way to predict when a specific piece of candy will land marked
side up or "decayed?" If you could follow the fate of an individual atom in a
sample of radioactive material, could you predict when it would decay?
Explain.
Answer:
No, each piece of candy has a 50% chance of decaying.No, just like the candy, each atom has a 50% chance of decaying each half-life.Explanation:
Plant Cell
5
F
G
20 points
Which parts are only found in plant cells?
D
А
С
-A
E
m
G
LL
D
B
С
Answer:
it's the chloroplast but I'm not sure which on is it it might be the F.
CAN SOMEONE PLEASE HELP ME OUT !!!
Answer:
133242535455555555555555
Explanation:
A Synthesis Reaction is
when energy
O is released in the form of heat
O when energy is released in the form of ice
O No answer text provided.
O No answer text provided.
Answer:
O is released in the form of heat
Explanation:
A Synthesis Reaction is when energy is released in the form of heat and light. The synthesis reaction is exothermic. Hence, first option is the correct answer.
how resonance helps a musician produce music on guitar?
Answer:
So the resonance phenomenon is what allows for notes to be produced on a musical instrument at all. A guitar though makes an additional use of resonance. The body of the guitar is carefully designed to resonate when notes are played on the strings. The reason is that the body can then behave as an amplifier for the strings.
Explanation:
reference = socratic . org
2. What is frequency?
Fre
Answer:
Frequency is the rate at which something occurs or is repeated over a particular period of time
Explanation:
The frequency is like wave patterns including sound, electromagnetic waves, electrical signals, or other waves, this expresses the number of cycles of the repetitive waveform per second.
Answer:
It is the number of occurrences of a repeating event over time. Unit is hertz (Hz)
Explanation:
[tex]f = \frac{1}{t} [/tex]
Each of the following can be used to make observations, except: *
A calculator
A digital scale
Your sense of smell
A microscope
Answer:
Calculator
Explanation:
A calculator is used to make, well calculations
You can use a scale to get information about the weight of an object, and you can observe how weight changes in relation to size etc.
For obvious reasons, you can observe different scents
Again a microscope is an observational tool
Convert 355 degrees C to K.
Answer: 628.15 K
Explanation:
Add 273.15 to any temperature in Celsius to get it in kelvin
Why type of data must be plotted on a graph for the slope of the line to represent density?
Answer:
you need data that has at least one independent variable in order to plot a graph for a slope of the line
Explanation:
32. List three examples of substances. Explain why each
is a substance. (3.1)
Answer: Chemical X H3 and f1
Explanation:
