Hydrophilic;
Polar compounds
water
ions
glucose
Hydrophobic;
Triglycerides
cholesterol
Lipids
Oil
Carbohydrates
The term hydrophilic substances are used to describe the substances that could dissolve in water. They are those substances that are water-soluble. Somehow, the substances must be polar because in chemistry like dissolve.
Hydrophobic substances are those substances that do not dissolve in water. They are nonpolar and interact with other nonpolar substances.
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Although part of your question is missing the complete question is to specify whether each of the items listed is hydrophilic or hydrophobic by dragging the labels into the appropriate box.
Hydrophilic;
Polar compounds
water
ions
glucose
Hydrophobic;
Triglycerides
cholesterol
Lipids
Oil
Select the correct answer from each drop-down menu. sarah recently learned that o2 is found in the earth’s water bodies. she was amazed to know the proportion of o2 found in the ocean differs based on the water temperature. what fact did she find out? sarah recently learned that o2 is found in the earth’s water bodies. she was amazed to know the proportion of o2 found in the ocean differs based on the water temperature. she found out that parts of the oceans have a higher quantity of dissolved o2, whereas parts of the ocean have a lesser quantity of it.
Sarah discovered that the proportion of O2 in the ocean differs based on the water temperature. Some parts of the ocean have more dissolved O2, while other parts have less.
Sarah recently learned that the proportion of O2 found in the ocean differs based on the water temperature. Specifically, she found out that parts of the ocean have a higher quantity of dissolved O2, while other parts have a lesser quantity of it. This means that the amount of O2 present in the ocean can vary depending on the temperature of the water.
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Draw the following structures and name them :
I. CH3CH2(OH)
II.CH3CH2CH(CH3)C(Cl)2C(l)2CH(F)OH
III.CH3CH(CH3)CHO
IV.CH2=CH(OH)
V.CH3OCH2CH3
Answer:
hope this helps.answer is in the picture
why carbon nanotubes are ao strong?
Which of the following is an ionic compound?
(A) CO₂
B) NH3
C) KBr
D) C12
Answer:
co2
Explanation:
it is an ionic compound
Darwin observed __________________ types of mockingbirds and finches lived in different island environments.
Answer:
Darwin observed many different types of mockingbirds and finches lived in different island environments.
Which of the following is the correct model of C6H₁4?
A./\/\/\
B./\/\/
C./\/\
D./\/\/\/
\(C6H_14\)is the molecular formula for Hexane, a hydrocarbon. The correct model for \(C6H_14\) is D. Option D is correct answer.
/\/\/\/:Hexane (\(C6H_14\)) is an alkane with a chain of six carbon atoms, having 14 hydrogen atoms. The bond angles of carbon atoms in hexane are 109.5 degrees, and carbon atoms in hexane have a tetrahedral geometry. The representation of a molecule in a model helps to visualize the 3D structure of the molecule. A simple way to represent the 3D structure of hexane is by using the wedge-and-dash notation. In this notation, solid wedges represent bonds coming out of the plane of the paper towards us, and dashed lines represent bonds going back into the plane of the paper away from us. Using this notation, the correct model of hexane (\(C6H_14\)) would be D. /\/\/\/.
The correct option is D.
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The temperature of a piece of copper with a mass of 95.4g increases from 25 degrees Celsius to 48.0 degrees Celsius when the metal absorbs 849 J of heat. What is the specific heat capacity of copper?
Answer:
The answer is 3.87 J/g°C
Explanation:
Here is the equation we are going to use:
\(C=\frac{q}{mT}\)
C= specfic heat in J/g°C
q = heat in joules (J)
m = mass in grams (g)
T = change in temperature
Here is what is given:
q = 849 J
m = 95.4 g
T = 48.0 - 25.0 = 23°C
Find:
Specific heat capacity in J/g
The first thing we are going to do is plug everything into the equation:
\(C = \frac{849J}{(9.54g)(23degreesC)}\)
Then we are going to solve for C
\(C = \frac{849J}{219.42gC} = 3.87 J/gCelsius\)
Hope this helps!
Answer:
The answer is 3.87 J/gC
6. Although Inigo and the masked man are rivals, they actually have a lot
in common.
Give three examples from the swordfighting scene that show their
similarities.
The three (3) examples from the sword fighting scene that showed Inigo and the masked man's similarities are:
They can fight with both hands.They are both professional swordsmen. Inigo and the masked man discussed about their life.Who is Inigo?Inigo Montoya was one of the fictional character in the novel titled "The Princess Bride" and written by William Goldman's in 1973. Inigo hails from the village called Arabella and he was raised by his father Domingo Montoya, who was a master craftsman that makes sword.
In The Princess Bride, Inigo had a swordfight with a man in black (masked man) and they have the following things in common:
They can fight with both hands.They are both professional swordsmen. Inigo and the masked man spoke about their personal life.Read more on Inigo here: https://brainly.com/question/1130107
how many protons electrons and neutrons are present in the following atoms
Answer:the element is potassium
the proton and electron is 19 and the nuetron is 19
Explanation:
Answer:
The atomic number gives the number of protons 19
p = 19
The atomic mass is the sum of the protons and neutrons
p+n = 39 p = 19
Put p into the equation and solve for n the neutrons
19+n = 39
Subtract 19 from both sides
19-19+n = 39-19
n = 20
The number of electons equal the number of protons in a neutral atom. The positive charge equal to the negative charge. The negative charge is the number of electons. This ion has a charge of +1. So solve for the negative charge.
-19+1 = -18
The negative charge is -18 so
e = 18
why would it have been a bad idea to plant 100 seeds in your plant experiment?
In an ecosystem it is a bad idea to plant 100 seeds in your plant experiment as there would be competition for resources among the seeds.
What is an ecosystem?Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.
Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.
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12. A 100.00-gram sample of naturally occurring boron
contains 19.78 grams of boron-10 (atomic mass =
10.01 atomic mass units) and 80.22 grams of
boron-11 (atomic mass = 11.01 atomic mass units).
Which numerical setup can be used to determine the
atomic mass of naturally occurring boron?
A) (0.1978)(10.01) + (0.8022)(11.01)
B) (0.8022)(10.01) + (0.1978)(11.01)
C) (0.1978)(10.01)/(0.8022)(11.01)
D) (0.8022)(10.01)/(0.1978)(11.01)
It’s A) (0.1978)(10.01) + (0.8022)(11.01)
Relative and average atomic mass both describe properties of an element related to its different isotopes. Out of these two Relative atomic mas is more accurate. Therefore option A is correct option.
What is mass?Mass defines the quantity of a substance. It is measured in gram or kilogram. Average mass is the mass of atoms of an element that are isotopes. It can be calculated by multiplying mass of a isotope to natural abundance of that isotope.
Mathematically,
average atomic mass= ∑(relative abundance x mass of isotope)
average atomic mass boron= (relative abundance boron-10 x mass of isotope boron-10)+(relative abundance boron-11 x mass of isotope boron-11 )
average atomic mass boron=(0.1978)(10.01) + (0.8022)(11.01)
Therefore option A is correct option.
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(100 points) Imagine that the ability to cool materials down to below 200 K (–100° F) was not discovered until 1950. Which technology would that have most impacted?
electromagnetism
crystallography
metallurgy
superconductivity
Answer: (D) Superconductivity
Explanation: Edge 2021
Answer:
D
Explanation:
got it right. :)
Which is a plan for the future of space exploration?
build a space station
astronauts visiting Mars
astronauts orbiting Earth
build a space observatory
Answer:
its b nasa and every other space obsessed place has done all of that
Answer:
B-Astronuts visting mars.
Explanation:
Just took the test.
look at the screenshot ;)
This is not the best way to organize a periodic table because two elements might have similar atomic mass.
What is periodic table?Periodic table is a chart in which arrangement of chemical elements are done.
In the early periodic table elements are arranged on the basis of their atomic masses, while after sometime Moseley arranged the periodic table on the basis of atomic number as he proposed that properties of an element is justified on the basis of number if electrons.
And mass of two substances may be same so it is difficult to differentiate between them.
Hence, two elements might have similar atomic mass.
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the motion of this wave vibrates up and down.
a primary wave
b. secondary wave
c. transverse wave
Answer:
the answer is c). transverse wave
A cell is placed into a solution of pure water. what is the tonicity of the water solution?
A cell is placed into a solution of pure water. The tonicity of the water solution is described as isotonic because the solute concentration of the solution is the same as the solute concentration inside the cell.
A solution that has the same osmolarity, or solute concentration, as another solution is said to be isotonic. Water will flow equally into and out of either solution if a semipermeable membrane is used to separate the two. We can say that the net flow is the same because the flow in and out is equal. So, The tonicity of the water solution is described as isotonic because the solute concentration of the solution is the same as the solute concentration inside the cell. This means that there is no osmotic gradient between the inside and outside of the cell, so there is no net movement of water across the cell membrane.
To explain further, tonicity is a measure of how much solute (e.g. salt or sugar) is present in a solution compared to the solute concentration of a cell. A solution is isotonic when the solute concentration of the solution is the same as the solute concentration inside the cell, so there is no net movement of water across the cell membrane. An isotonic solution is also known as a “balanced” solution.
When a cell is placed into a solution of pure water, the solute concentration of the water is 0, so it is isotonic. The solute concentration of the cell is also 0, so there is no net movement of water across the cell membrane.
In summary, a solution of pure water is isotonic to a cell because the solute concentration of the water is 0 and the solute concentration of the cell is also 0, so there is no osmotic gradient between the inside and outside of the cell.
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Complete the sentences to explain your choice. Match the words in the left column to the appropriate blanks in the sentences on the right. more oxygen atoms less electronegative atoms fewer oxygen atoms more electronegative atoms When comparing HNO3 and HNO2, HNO, is a stronger acid because it has _______ When comparing HCIO, and HCIO, HCIO, is a stronger acid because it has _______ When comparing HCIO, and HBrO, HCIO, is a stronger acid because it has _______ When comparing CCI,COOH and CBr, COOH, CCI,COOH is a stronger acid because it has _______
As an atom's size shrinks, its electronegativity rises. This is due to the fact that electronegativity and atomic size are inversely related. Because of this, the atomic size decreases as electronegativity rises.
The contact between the nucleus and the surrounding electrons is reduced as the atomic radius rises, which results in a decline in electronegativity.
When comparing HNO3 and HNO2, HNO3 is a stronger acid because it has more electronegative atoms (in this case, more oxygen atoms).
When comparing HCIO and HCIO2, HCIO2 is a stronger acid because it has more electronegative atoms (in this case, more oxygen atoms).
When comparing HCIO and HBrO, HCIO is a stronger acid because it has fewer electronegative atoms (in this case, fewer oxygen atoms).
When comparing CCI3COOH and CBr2COOH, CCI3COOH is a stronger acid because it has more electronegative atoms (in this case, more chlorine atoms).
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Juan wanted to investigate how exercise affects heart rate. a classmate sat quietly for 5 minutes before juan used a stopwatch to count her pulse for 15 seconds. a second classmate ran in place for 5 minutes before juan used the stopwatch to find his pulse rate for 15 seconds. after both measurements, juan multiplied the number by 4 to determine hear rate per minute. what did juan do wrong in this investigation? what should juan have done instead?
The wrong Juan did in this investigation is he multiplied by 4 and did not count it for 60 seconds to calculate the heart rate per minute.
What to do to know the pulse rate or heart beat and what did Juan did wrong?See to know the heart beat or pulse rate we simply do it for 60 seconds because we generally obtain the data for a minute .Here Juan is investigating the heart rate for 15 seconds .Plus the the cardinal mistake he did was he multiplied the beats by 4 of both the classmate knowing a student just rushed into the classroom and is exercised.So obviously the student who just arrived the classroom would have high heart rates comparatively.Calculating both heart rates and multiplying with 4 is the main mistake Juan is commiting.To know more about heart rate visit:
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What are some strengths and weaknesses of each of these research questions?
Why is the Avian FLU a health hazzard?
What precautions are being placed to contain the spread of this infection, and what can the general public do better?
How can the public and scientists prevent highly pathogenic strains of avian influenza from spreading to New York State?
The Avian FLU is a health hazard because it may infect humans (question 1), precautions are being placed to contain the spread of this infection is avoid the spread of infected animals (question 2), and public and scientists prevent highly pathogenic strains of avian influenza from spreading to New York State through correct advertise to authorities in suspicious cases.
What is the avian flu?The avian flu is a viral disease transmitted by bird species which are the main vectors to be controlled to avoid infection in human populations.
Therefore, with this data, we can see that the avian flu is a viral disease transmitted by bird species and represents a serious problem for healthcare.
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how much energy is needed to convert 120g of ice at -35°C to steam at 150°C?
21. What is an electron energy level?
What is ionization energy?
Answer:
b) The amount of energy required to eject an electron from an atom.
mass is 89.6 grams (g), and its volume is 10 cubic centimeters (cm3). What’s the density of the sample?
Explanation:
density = mass/volume
density = 89.6/10
density = 8.96g/cm³
Which is true when a piece of paper is crumpled? *
(17 Points)
O A. volume and mass increase
O B. volume and mass decrease
O C. volume and mass do not change
O D. volume might decrease or increase, but mass does not change
Answer:
The correct option is;
C. The volume and mass do not change
Explanation:
We note that a piece of paper usually does not compress when load is applied on it.
Therefore, when a piece of paper is crumbled, the volume does not change as the paper only becomes folded thereby, reducing its surface area with a corresponding increase in thickness
The mass of the paper does not change as in the process of the paper being crumbled, the matter and therefore, the mass remains constant.
A solution with ph 4 has __________ the h concentration of a solution with ph 8.
A solution with ph 4 has 10000 times the h concentration of a solution with ph 8.
the solution, in chemistry, is a homogeneous mixture of two or more substances whose relative amounts can be varied continuously up to the so-called solubility limit. The term solution is usually applied to the liquid state of aggregation, but gaseous and solid solutions are also possible. Hypotonic, isotonic, and hypertonic solutions (tonic).
A solution is a homogeneous mixture of two or more components with particle sizes less than 1 nm. Common examples of solutions are the sugar in water and salt in water, soda water, etc. In solution, all components appear as a single phase.
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What type of narrow, curved rock formation forms when a sea cave is continually eroded?
Sea Arches are formed when a cave continues to be eroded and expanded until it cuts through a headland.
What is produced when a sea cave is eroded continually?A sea cave forms when a sea arch pursues to be eroded and widened until the rock becomes too weak to carry the roof of the sea cave and collapses into the sea. Caves are devised by the dissolution of limestone. Rainwater collects carbon dioxide from the air and as it percolates through the soil, which rotates into a weak acid.
Sea caves occur on almost every precipice headland or coast where the waves break straight on a rock cliff and are formed Sea caves by mechanical erosion rather than the chemical solution procedure that is responsible for the majority of inland caves.
So we can conclude that Sea caves or littoral caves are formed fundamentally from erosion caused by waves
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what is the temperature of gas and volume of gas
Explanation:
500 degree Celsius because we can see it in the tube
Which orbital is portrayed on the right?
A maximum of two electrons will be placed in 1s first. With a maximum of two electrons, 2s will then be filled. With a maximum of 6 electrons, 2p will then be filled.
What's the appearance of the p orbital?A maximum of two electrons will be placed in 1s first. With a maximum of two electrons, 2s will then be filled. With a maximum of 6 electrons, 2p will then be filled.A maximum of two electrons will be placed in 1s first. With a maximum of two electrons, 2s will then be filled. With a maximum of 6 electrons, 2p will then be filled.Each shell can only carry a certain amount of electrons: the first shell can hold two electrons, the second shell can hold eight electrons (2 + 6) and so on, the third shell can hold 18 electrons (2 + 6 + 10).To learn more about orbital refer to:
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Predict the result of mixing the following and determine whether precipitation is expected:
NaOH(aq)+AgNO3(aq)
A. AgOH2(aq)+Na+, yes
B. NaNO3(aq)+AgOH(s), no
C. NaNO3(aq)+AgOH(s), yes
D. (AgOH)2(aq)+Na+, no
We need to understand the idea of a twofold displacement reaction in order to solve this. The balanced formula for the reaction between silver nitrate and sodium hydroxide is:
AgNo(aq) + NaOH(aq)AgOH(s) + NaNo(aq)
The definition of a balanced equation is one in which the total number of an element's atoms on the reactant side and the total number of its atoms on the product side are equal. The reaction's total mass ought to remain constant. Chemical reactions come in a wide variety of forms, such as combination reactions and displacement reactions. Sodium hydroxide and silver nitrate react, and this is an example of a double displacement reaction. Both sodium and silver are displaced by sodium hydroxide and silver nitrate, respectively.
Therefore, the balanced equation is
AgNo(aq) + NaOH(aq)AgOH(s) + NaNo(aq)
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Explain the concept law of diminishing marginal rate of substitution. What is/are the reason/s why the law of diminishing marginal rate of substitution suggest/s that isoquant must be bent toward the origin?
The law of diminishing marginal rate of substitution indicates that the rate at which one input can be substituted for another decreases as the quantity of one input increases, leading to isoquants being bent toward the origin.
In other words, as the quantity of one good increases, the individual is willing to sacrifice fewer units of the other good to obtain an additional unit of the first good. This reflects a diminishing rate of substitution between the two goods.
The reason why the law of diminishing marginal rate of substitution suggests that isoquants must be bent toward the origin is rooted in the concept of diminishing marginal utility. As more units of a particular input (e.g., labor or capital) are added while holding other inputs constant, the additional output gained from each additional unit of the input will decrease. This diminishing marginal productivity leads to a decreasing MRS.
When isoquants (which represent different combinations of inputs that produce the same level of output) are bent toward the origin, it reflects the fact that as more of one input is used, the amount of the other input that needs to be substituted decreases. This bending signifies the diminishing MRS and captures the idea that a larger quantity of one input can be substituted for a smaller quantity of the other input to maintain the same level of output.
Overall, the law of diminishing marginal rate of substitution indicates that the rate at which one input can be substituted for another decreases as the quantity of one input increases, leading to isoquants being bent toward the origin.
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