Answer:
wwwwwwwwww
Explanation:
Which of the following has mass?
A. Space
B. Light
C. Matter
Ο Ο
D. Force
Answer:
matter should be the answer
Explanation:
Hope this helps!
Answer:
matter because matter makes up everything in the world EVERYTHING like this computer ri am typing on? matter. what ever device you are using to view this? matter. everything is made of matter. matter is starting to sound weird now so I'm gonna stop saying it and this is the end of the answer remember THAT ANSWER IS MATTERR!!!!!
50 points for anyone who answeres properly. How does a structure of a triglyceride differ from the reaction of fructose?
Triglycerides and fructose are both monomers, but they differ in how they bond to other monomers.
Fructose forms large polymers by the process of hydrolysis, while a triglyceride forms monomers by the process of dehydration.
Fructose is a form of carbohydrate, while a triglyceride is a lipid.
A triglyceride is a polymer, while fructose is a monomer.
Answer:
Fatty Acids
A lipid is an organic compound such as fat or oil. Organisms use lipids to store energy, but lipids have other important roles as well. Lipids consist of repeating units called fatty acids. Fatty acids are organic compounds that have the general formula CH3(CH2)nCOOH" role="presentation" style="display: inline-table; font-style: normal; font-weight: normal; line-height: normal; font-size: 17.6px; text-indent: 0px; text-align: left; text-transform: none; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; position: relative;">CH3(CH2)nCOOHCH3(CH2)nCOOH, where n" role="presentation" style="display: inline-table; font-style: normal; font-weight: normal; line-height: normal; font-size: 17.6px; text-indent: 0px; text-align: left; text-transform: none; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; position: relative;">nn usually ranges from 2 to 28 and is always an even number. There are two types of fatty acids: saturated fatty acids and unsaturated fatty acids.
Saturated Fatty Acids
In saturated fatty acids, carbon atoms are bonded to as many hydrogen atoms as possible. This causes the molecules to form straight chains, as shown in the figure below. The straight chains can be packed together very tightly, allowing them to store energy in a compact form. This explains why saturated fatty acids are solids at room temperature. Animals use saturated fatty acids to store energy.
Figure 14.2.1" role="presentation" style="display: inline-table; font-style: normal; font-weight: normal; line-height: normal; font-size: 16px; text-indent: 0px; text-align: left; text-transform: none; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; position: relative;">14.2.114.2.1: Structures of saturated and unsaturated fatty acids.
Unsaturated Fatty Acids
In unsaturated fatty acids, some carbon atoms are not bonded to as many hydrogen atoms as possible due to the presence of one or more double bonds in the carbon chain. Instead, they are bonded to other groups of atoms. Wherever carbon binds with these other groups of atoms, it causes chains to bend (see figure above). The bent chains cannot be packed together very tightly, so unsaturated fatty acids are liquids at room temperature. Plants use unsaturated fatty acids to store energy.
Figure 14.2.2" role="presentation" style="display: inline-table; font-style: normal; font-weight: normal; line-height: normal; font-size: 16px; text-indent: 0px; text-align: left; text-transform: none; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; position: relative;">14.2.214.2.2: Saturated fatty acids have only single bonds while monounsaturated fats have one double bond and polyunsaturated fats have more than one double bond.
Lipids and Diet
Unsaturated fat is generally considered to be healthier because it contains fewer calories than an equivalent amount of saturated fat. Additionally, high consumption of saturated fats is linked to an increased risk of cardiovascular disease. Some examples of foods with high concentrations of saturated fats include butter, cheese, lard, and some fatty meats. Foods with higher concentrations of unsaturated fats include nuts, avocado, and vegetable oils such as canola oil and olive oil.
Fructose is a simple carbohydrate sugar, while triglycerides are the lipids or the fats of the body. Thus, option C is accurate.
What are triglycerides and fructose?Triglycerides are lipids of the body that are formed of fatty acids and glycerols. It makes the body fat of the animals and of the plants. They are stored in cells for future use and provide energy when needed.
Fructose is a monomer that is the simplest carbohydrate sugar and is generally found in sugarcane, honey, watermelon, grapes, apples, etc.
Therefore, option C. fructose is sugar and triglyceride is fat is correct.
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Like the success of animals, the success of plants is limited based on the resources available to each individual. In the tropical
rainforest, plants are especially limited by the spate they have available to grow and reproduce. Which of these statements
describes a way that limited space will impact
the success of a plant in the rainforest? (SC.7.L.17.3)
A plant without enough space will face increased predation from herbivores
a
O A plant without enough space will not have as many parasites and diseases.
3
A plant without enough space will be more likely to be impacted by air quality
A plant without enough space will not be able to capture enough light to grow.
A plant without enough space to grow may be impacted by inadequate air as well as light for proper growth.
The competition for space in the tropical rainforest has impacts on two processes:
Light for photosynthesisAir for growthLight is very important for photosynthesis and the overall well-being of plants. In a tight space, light and air become limited. This means that plants growing in such a space will not be able to photosynthesize optimally.
Plant roots need air to function properly and when becomes inadequate, the entire plant becomes negatively impacted.
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what is the formula of trinitrogen tetrabromide
The formula of trinitrogen tetrabromide is N3Br4
How to determine the molecular formulaTrinitrogen features three molecules of nitrogen, N3
Tetrabromide features four molecules of bromide = Br4
Thus, the formula of trinitrogen tetrabromide is N3Br4
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2. The two naturally occurring isotopes of hydrogen are hydrogen-1 ( 1.00783 amu; 99.9885 percent) and hydrogen-2 (2.01410 amu; 0.0115 percent). What is the average atomic mass of hydrogen?
A. 1.0079 amu
b. 1.0097 amu
c. 1.0309 amu
D. 1.5110 amu
Answer:
1.0079 g/mol
Explanation:
99.989% / 100% = 0.99989 hydrigen-1 , 0.0115% / 100% = 0.000115 hydrogen-2
0.99989 x 1.0078 = 1.0077 , 0.000115 x 2.0141= 0.000232
1.0077 + 0.00023
Answer: 1.0079
Would you expect the shielding effect to be greater in bromine than in chlorine?
A. Yes, because there are more filled orbitals in bromine.
B. Yes, because bromine has a higher atomic number.
C. No, because they are both in the same family.
D. No, because chlorine has a higher electronegativity than bromine.
The shielding effect of bromine is greater than chlorine because there are more filled orbitals than in chlorine.
Shielding EffectThis is the process where by electrons are protected by the pull attraction of the nucleus with the use of electron shells. The shielding effect increases down the group of the periodic table and increases across the period. This is because when you move down the group, there's an increase in the number of shell by 1 and it helps to reduce the effect of nuclear attraction on the electrons. However when you move across the period, there's an increase in the numbers of electron with the same shielding electrons from group 1(a) across the period to group 7(a).
Factor that affect the shielding effect of an electronThe numbers of electrons on the inner shells.Type of orbital which the electron is located.Shielding effect is primarily dependent on the numbers of electrons in the inner shells as well as the type orbitals.
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What is the formula of sulfur diphosphide
[tex] \huge \rm \ \blue \:{ \overbrace{ \underbrace{ \tt{ \color{red}{ \: \: \: \: \: \: answer \: \: \: \: \: \: }}}}}[/tex]
[tex] \huge \color{darkblue}P₂S_{5}[/tex]
hope it helpsAnswer:
P2S5
Explanation:
chemical reaction occurs when the chemical identity of the reactants is different from that of the products. A new substance forms with different properties from the original react
Evidence that a chemical reaction has occurred can be a color change, light formation, gas bubbles formation, precipitate formation, or temperature change,
Use the following information to answer question 1.
QUESTION 1
Instant cold packs consist of ammonium nitrate and water. When the two are mixed, the temperature changes and becomes colder. It is described using the chemical equation
NH4NO3(s) → NH4+ (aq) + NO3(aq)
LA
Is this an example of an endothermic or exothermic reaction? Why?
Answer:
Explanation:
Exothermic: the surrounds feel warmer. A wood fire stove is a good example of an exothermic reaction. You can feel the heat on your hands. It's exothermic.
Endothermic is exactly the opposite. The reaction takes place, but the heat comes from the surroundings. When you touch something that goes through an endothermic reaction, it feels much cooler.
This reaction, just by definition is endothermic.
State two properties of a base
Answer:
Bases are bitter to taste a bitter taste is characteristic of all bases. Bases may or may not be soluble in water Bases that can dissolve in water are called alkalis.Explanation:
what can cats get from eating mice and moles?
Answer:
its called Toxoplasmosis.
Explanation:
Cats become infected by Toxoplasma gondii by ingesting the cysts of this parasite. Most often, this occurs when cats eat mice or rats infected with the parasite. However, they can also ingest it during grooming after coming in contact with infected soil or feces.
hope it helped ;)
Which statement describes one feature of Rutherford model of the atom
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The Rutherford model shows that an atom is mostly empty space, with electrons orbiting a fixed, positively charged nucleus in set, predictable paths.
the photo has the question; please help asap ! i’m giving brainliest—i also have more chemistry, honestly i’m about to post a whole bunch of questions
Answer:
The process is to divide the molecules by Avogadro's number (6.02 x 10^23) to get the moles. And since it's specified at STP (standard temperature and pressure) we know that the molar volume would be 22.4L. So we can just multiply the moles by the molar volume in order to get the volume of H2S.
(2.18 x 10^24) / (6.02 x 10^23) = 3.62 moles (rounded)
Now just multiply the moles by the molar volume of STP, 22.4.
3.62 x 22.4 = 81 Liters (rounded) of H2S
Large networks of ators covalently bonded together are called:
a) Giant covalent structures
b) Molecular structures
c) Giant ionic lattices
d) Superconductors
Answer:
Giant Covalent Structures, Diamond and Graphite are giant covalent structures since they're allotropes of Carbon.
Answer:
Giant covalent structures contain very many atoms. , each joined to adjacent atoms by covalent bonds. The atoms are usually arranged into giant regular lattices - extremely strong structures because of the many bonds involved.
Explain the reason that maps must change over time
Explanation:
Because the place on the map can be changed to another shape by natural effects like faulting,folding , volcanism
Answer:
Maps must change over time as the geographical structures change from time o time. The roads and highways also change often due to the development activities .
how many moles of copper are there in 6.93 g of copper sample
pls be quick
[tex]\\ \sf\longmapsto No\:of\;moles=\dfrac{Given\:mass}{Molar\:mass}[/tex]
[tex]\\ \sf\longmapsto No\:of\:moles=\dfrac{6.93}{63.5}[/tex]
[tex]\\ \sf\longmapsto No\:of\:moles=0.109\approx 1.11moles[/tex]
If 48.3g of iron is completely rusted in oxygen to produce 62.5g of iron (III) oxide, how many grams of oxygen are involved in the reaction?
The amount of oxygen involved in the reaction would be 20.7 g
The equation of rusting of iron is as follows:
[tex]4Fe + 3O_2 ---> 2Fe_2O_3[/tex]
The mole ratio of Fe to O2 is 4:3.
Mole of 48.3 g Fe = mass/molar mass
= 48.3/56
= 0.8625 moles
Equivalent mole of O2 = 0.8625 x 3/4
= 0.6469 moles
Mass of 0.6469 moles O2 = mole x molar mass
= 0.6469 x 32
= 20.7 g
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Why is it important to be careful when walking on an icy sidewalk?
Ice moves faster than you do.
There is less friction on an icy surface.
Ice is heavier than you, so it is a greater force.
none of the above
Answer:
The is less friction on an icy surface
Explanation:
This is because when u walk on plain ground there is steady friction on the surface but when u walk on an icy floor these is barely any friction which is why it's hard to walk on.
Answer:
There is less friction on an icy surface.
Hope that helps.
Explanation:
Why do some atoms form chemical bonds while others do not?
Answer:
Atoms of these elements have full outer electron shells. These atoms are stable and very rarely form bonds with other atoms. If the electronegativity values between two atoms are comparable, they may still form chemical bonds to increase the stability of their valence electron shell
Explanation:
What is the significance of cell division?
A. to make ATP
B. to prevent replication
C. to repair and replace other cells
D. to make glucose
what natural resources are used to make plastic bags
Answer:patrolieum
Explanation:
Students in Mr. Garcia's class were having a race! No, not running. Instead they rolled tennis balls down a wooden track. The tennis balls have the same mass and diameter. Using the data table, decide which ball had the MOST kinetic energy.
Answer:
it's entertaining. Energy though is the answer
HELP ME PZLMSMS
E
D
D
F
F
Answer:
10.C
11.B
15.A
Explanation:
What is Nuclear fusion
Answer:
Nuclear fusion is a reaction in which two or more atomic nuclei are combined to form one or more different atomic nuclei and subatomic particles (neutrons or protons).
What are some examples of a physical change? (list more than 2 examples)
Answer:
Examples of physical change include changes in the size or shape of matter. Changes of state, for example, from solid to liquid or from liquid to gas, are also physical changes. Some of the processes that cause physical changes include cutting, bending, dissolving, freezing, boiling, and melting.
Explanation:
I hope this helps
(b) at 400k both compounds are gases. at this temperature, which compound, ch4(g) or ccl4(g), behaves more like an ideal gas? justify your answer, including reasoning about both molecules.
CH4 has more ideal gas behavior than CCl4 due to its higher intermolecular interaction.
We must note that ideal gases have minimal interaction with each other. Hence, in deciding which gas has ideal gas behavior, we have to consider the gas that has the least degree of intermolecular interaction.
However, the both gases contain nonpolar molecules but CCl4 has a greater molecular mass and has more intermolecular interaction than CH4 hence CH4 has greater ideal gas behavior than CCl4.
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cellus
A student measures the acidity of a solution and
concludes that it has a pH of 2.70. However, the
seller claims that its pH is 3.20. What is the
percent error in the student's measurement?
Answer:
15.63%
Explanation:
The formula of error percentage is:
([experimental value-real value]/real value)100%
You divide the subtraction of the absolute value of experimental value (the one you got during a experiment) and the one that's "proven" to be right by again, the proven value. You got a decimal and all you have to do is multiply it by 100%
Answer:
on acellus the answer is 16%
I hate acellus
Explanation:
I know the answer is A/1 but I’m not sure how to explain it, I would like some help on the explanation part
3. The accompanying diagram represents a cell in water. Formulas of molecules that can move freely across the cell membrane are shown. Some molecules are located inside the cell and others are in the water outside the cell.
(Picture) diagram
Based on the distribution of these molecules, what would most likely happen after a period of time?
A. The concentration of O₂ will increase inside the cell.
B. The concentration of CO₂ will remain the same inside the cell.
C. The concentration of O₂ will remain the same outside the cell.
D. The concentration of CO₂ will decrease outside the cell.
Answer:
number one is the correct option
Please what the element it is
Answer:
Helium
Explanation:
One electron shell is shown in the model of Helium drawn by Bohr, and it has two electrons inside of it. The atomic number of helium is 2, so the number of protons and electrons that can be used to make its Bohr diagram is the same as its number.
Suppose you have samples of three unknown solids. Explain how you could use their properties to determine whether or not they are ionic solids.
Given a sample of three unknown solids, we would be able to deduce which are ionic solids by their melting and boiling points, conductivity in water, and the insulation they provide.
What are Ionic solids?An ionic solid is a solid formed by ionic bonds. They are the solid version of ionic compounds, which are held together by strong electrostatic energies. What properties do they possess?Among their many properties, ionic solids possess high melting and boiling points.These solids are also known to conduct electricity well when dissolved into water, however, this can be tested after melting them as they will not conduct electricity in a solid state.A final property that we can use to identify them is that they provide a good means of insulation.Each of these properties can be tested and will allow us to determine the ionic solids amongst the samples.Therefore, we can find the ionic solids amongst the samples by testing their melting and boiling points, conductivity in water, and the insulation they provide, given that each of these should provide high values to indicate an ionic solid.
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What do you already know about gases?
Answer:
gasese molecules are always in free state