This diagram shows the basis for forming which of the following
Proteins
Polysaccharide
Nucleus acids
Lipids
Answers
(I didn't have this as a question on any of my quizzes, but I will try my best. I wish you luck!)
Answer: Proteins
This is a peptide bond, which is a bond that forms between two amino acids through a condensation reaction. Amino acids make proteins.
Related Questions
Which statement defines specific heat capacity for a given sample
Answers
The statement that defines the specific heat capacity for a given sample is the quantity of heat that is required to raise 1 g of the sample by 1°C (Kelvin) at a constant pressure.
What is specific heat capacity?Specific heat capacity is the of heat to increase the temperature per unit mass.
The formula to calculate the specific heat is Q = mct.
The options are attached here:
The temperature of a given sample is 1 %.The temperature that a given sample can withstand.The quantity of heat that is required to raise the sample's temperature by 1 °C1 °C (Kelvin).The quantity of heat that is required to raise 1 g of the sample by 1°C (Kelvin) at a constant pressure.Thus, the correct option is 4. The quantity of heat that is required to raise 1 g of the sample by 1°C (Kelvin) at a constant pressure.
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(You do) If you have 47.2 mol of Na available, along with an excess of Cl₂, how many grams of NaCl can you produce?
Equation: 2Na+Cl2=2NaCl
Answers
Answer:
2,760 grams NaCl
Explanation:
To find grams of NaCl, you need to (1) convert moles of Na to moles of NaCl (via mole-to-mole ratio from reaction) and (2) convert moles of NaCl to grams (via molar mass from periodic table). The final answer should have 3 significant figures based on the given measurement.
2 Na + Cl₂ --> 2 NaCl
Molar Mass (NaCl) = 22.99 g/mol + 35.45 g/mol
Molar Mass (NaCl) = 58.44 g/mol
47.2 moles Na 2 moles NaCl 58.44 grams
---------------------- x --------------------------- x ------------------------- =
2 moles Na 1 mole NaCl
= 2,758.368 grams NaCl
= 2,760 grams NaCl
What is a renewable resources
Answers
Answer: A renewable resource is a resource that can easily be replaced over a short amount of time.
Explanation: Unlike the non-renewable resources, they can be replenished.
Examples for non-renewable: coal, oil, and fossil fuels.
Examples for renewable resources: Wind, nuclear, solar power, and water.
How many moles of naoh will react with 13.5 moles of k3po4
Answers
Answer: 40.5 mol
Explanation:
Since this is a double replacement reaction, the unbalanced equation is something like follows:
[tex]\text{K}_{3}\text{PO}_{4}+\text{NaOH} \longrightarrow \text{KOH}+\text{Na}_{3}\text{PO}_{4}[/tex]
Balancing this equation,
[tex]\text{K}_{3}\text{PO}_{4}+3\text{NaOH} \longrightarrow 3\text{KOH}+\text{Na}_{3}\text{PO}_{4}[/tex]
From this equation, we can conclude that for every 3 moles of sodium hydroxide consumed, 1 mole of potassium phosphate is consumed.
This means the answer is 13.5(3)=40.5 mol
how do gases exert pressure into a cylindrical container
Answers
Answer: The molecules are continually colliding with each other and with the walls of the container. When a molecule collides with the wall, they exert small force on the wall The pressure exerted by the gas is due to the sum of all these collision forces. The more particles that hit the walls, the higher the pressure. If a gas is heated up, its particles move around more quickly. They hit the walls of their container harder and more often. This increases the pressure. Sometimes the pressure gets so great that the container bursts.
Explanation:
Answer:
When a molecule collides with the wall, they exert small force on the wall The pressure exerted by the gas is due to the sum of all these collision forces.
Explanation:
The molecules are continually colliding with each other and with the walls of the container. When a molecule collides with the wall, they exert small force on the wall The pressure exerted by the gas is due to the sum of all these collision forces. The more particles that hit the walls, the higher the pressure.
Describe the properties of alkali metals. based on their electronic arrangement, explain whether they exist alone in nature.
Answers
The alkali metals can't exist alone in nature because of incomplete outermost shell of alkali metals.
What are the properties of alkali metals?The alkali metals have the high thermal and electrical conductivity. It has high lustre, ductility, and malleability as compared to other materials. Each alkali metal atom has one electron in its outermost shell which make more reactive.
So we can conclude that the alkali metals can't exist alone in nature because of incomplete outermost shell of alkali metals.
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At 25oc, enough distilled water is added to a 30.0 ml sample of hno3(aq) with a ph of 4.20 so that the final ph of the diluted solution is 5.20. the volume of distilled water added to the original solution is closest to
Answers
The volume of distilled water added to the original solution is closest to 300.0 ml.
What is pH?The potential of hydrogen is a measure of the acidity or alkalinity of a solution equal to the common logarithm of the reciprocal of the concentration of hydrogen ions in moles per cubic decimetre of solution.
Concentration of 30.0 ml sample of [tex]HNO_3[/tex] solution is = 6.31 X [tex]10^{-5}[/tex] M
pH of diluted [tex]HNO_3[/tex] solution = 5.20
We know that,
[tex]pH= -Log [H^+][/tex]
[tex]5.20= -Log [H^+][/tex]
[tex][H^+] = 10^{-5.2} = 6.31 X 10^{-6} M[/tex]
Hence, concentration of unknown diluted [tex]HNO_3[/tex] solution is 6.31 X [tex]10^{-5}[/tex] M.
By the use of the equation:
[tex]HNO_3[/tex] Concentration = [tex]HNO_3[/tex] diluted
[tex]V_{dil} = \frac{(C_conc X V_conc)}{(C_{dil})}[/tex]
[tex]V_{dil}[/tex] = (6.31 X [tex]10^{-5}[/tex] M X 30.0 ml) ÷ (6.31 X 10^{-6} M)
[tex]V_{dil} = 300.0 ml[/tex]
Hence, the volume of distilled water added to the original solution is closest to 300.0 ml.
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This diagram models a sound wave from a car horn hitting a wall. According to the model, which statement best describes what happens to the sound energy when the sound wave hits the wall?
Answers
Answer:
When sound wave hits the wall , some portion of the sound is reflected back to air which is converted into heat energy and
lost in the atmosphere and some of its transmitted through the walls.
Which information must be known about a compound to find the molecular formula from the empirical formula?
Answers
The molecular mass of the compound is required to calculate the molecular formula from the empirical formula.
What is a molecular formula?A chemical formula that gives the total number of atoms of each element in each molecule of a substance.
Dividing the molar mass of the compound by the empirical formula mass. The result should be a whole number or very close to a whole number. Multiplying all the subscripts in the empirical formula by the whole number will give the resultant molecular formula.
Hence, the molecular mass of the compound is required to calculate the molecular formula from the empirical formula.
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Which two phase changes occur when you increase the heat?
Answers
Answer:
Heat going into a substance changes it from a solid to a liquid or a liquid to a gas. Removing heat from a substance changes a gas to a liquid or a liquid to a solid.
Liquid → Gas:
VaporizationGas → Liquid:
CondensationSolid → Liquid:
Melting or fusion
Solid → Gas: Sublimation
Explanation:
Why is water used as a solvent in many solutions?
A Water dissolves other water molecules.
B Water dissolves any chemical.
C Water dissolves nonpar molecules.
D Water dissolves polar molecules.
O A
OB
O C
O D
Answers
explanation: because use nonpartisan molecules
Determine the molar mass of a 0.458-gram sample of gas having a volume of 1.20 l at 287 k and 0.980 atm. group of answer choices 1.954 g/mol 73.6 g/mol 7.18 g/mol 9.17 g/mol
Answers
Considering the ideal gas law and the definition of molar mass, the molar mass of the sample of gas is 9.17 [tex]\frac{g}{mol}[/tex].
Ideal gas lawAn ideal gas is a theoretical gas that is considered to be composed of randomly moving point particles that do not interact with each other. Gases in general are ideal when they are at high temperatures and low pressures.
The pressure, P, the temperature, T, and the volume, V, of an ideal gas, are related by a simple formula called the ideal gas law:
P×V = n×R×T
where:
P is the gas pressure.V is the volume that occupies.T is its temperature.R is the ideal gas constant. The universal constant of ideal gases R has the same value for all gaseous substances.n is the number of moles of the gas. Definition of molar massThe molar mass of substance is a property defined as its mass per unit quantity of substance, in other words, molar mass is the amount of mass that a substance contains in one mole.
Molar mass of the sample of gasIn this case you know:
P= 0.980 armV= 1.20 LT= 287 KR= 0.082 [tex]\frac{atmL}{molK}[/tex]n= ?Replacing in the ideal gas law:
0.980 atm× 1.20 L= n× 0.082[tex]\frac{atmL}{molK}[/tex]× 287 K
Solving:
(0.980 atm× 1.20 L)÷ (0.082[tex]\frac{atmL}{molK}[/tex]× 287 K)= n
0.04997 moles= n
On the other hand, you know that the mass of the sample of gas is 0.458 grams. Replacing in the definition of molar mass:
[tex]molar mass=\frac{0.458 grams}{0.04997 moles}[/tex]
Solving:
molar mass= 9.17 [tex]\frac{g}{mol}[/tex]
Finally, the molar mass of the sample of gas is 9.17 [tex]\frac{g}{mol}[/tex].
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Identify the genotypic and phenotypic ratios of offspring in the standard monohybrid cross.
Parent 1: _______________
Garden pea plant with homozygous gene pair for round seed
Garden pea plant with homozygous gene pair for wrinkled seed
Genotype (Parent 1): _______________
RR
rr
Parent 2: _______________
Garden pea plant with homozygous gene pair for round seed
Garden pea plant with heterozygous gene pair for round seed
Genotype (Parent 2): _______________
RR
Rr
Answers
The genotype and phenotype ratio for the first cross will be 100% Rr and 100% round, while the second cross will be 1RR:1Rr, 50/50 round and wrinkled respectively.
Monohybrid crossesAssuming that the seed shape allele is R(r).
For the first cross: RR x rr
Rr Rr Rr Rr
Genotype ratio = 100% Rr
Phenotype ratio = 100% round
For the second cross: RR x Rr
RR Rr RR Rr
Genotype ratio = 1RR : 1Rr
Phenotype ratio = 50% round and 20% wrinkled.
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How many cells are in bacteria? (any links added will be reported!)
Answers
Answer:
There is 1 cell in bacteria and it is called Prokaryotic cells
Explanation:
what is the colour of our oxygen
best answer will get 30 points
Answers
Answer:
colourless
Explanation:
although the gaseous form of oxygen is colourless
when it liquefies it turns into a blue fluid.
hope this helps:)
What is the mass in grams of each of the following?
a.) 6.02 x 1024 atoms Bi
c.) 6.02 x 1022 atoms He
e.) 6.02 x 10¹5 atoms U
b.) 1.00 x 1024 atoms Mn
d.) 6.02 x 10¹5 atoms N
Answers
Answer:
a. 208g Bi
c. 0.0400g He
e. 2.38g U
b. 9.12g Mn
d. 1.40g N
Explanation:
I apologize in advance if any are incorrect. Hopefully this helps.
why does the sloth have both a scientific name and common name
Answers
An element A combines with element B. The electrons are transferred from the atom A to the atom B. .
(a) What is the nature of bond between A and B?
(b) What are the two main properties expected compound AB?
(c) What happens if this compound is dissolved in water? To
Answers
(a) The nature of bond between A and B is an ionic bond.
(b) The two main properties of the ionic compounds are:
Ionic Compounds have high boiling and melting points as they're very strong and require a lot of energy to break.The electrostatic forces of attraction between oppositely charged ions lead to the formation of ions.(c) If the ionic compound is dissolved in water, the ions in the solid separate and disperse uniformly
What is an ionic compound?Ionic compounds contain ions and are held together by the attractive forces among the oppositely charged ions.
An ionic bond is formed by the complete transfer of some electrons from one atom to another. The atom losing one or more electrons becomes a cation—a positively charged ion.
In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion.
When ionic compounds dissolve in water, the ions in the solid separate and disperse uniformly throughout the solution.
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What best describes the relationship between photosynthesis and cellular respiration? a.Celluar respiration and photosynthesis are identical reactions. b. photosynthesis is just like celluar respiration, but oxygen is involved. c. celluar respiration and photosynthesis are not related at all. d. photosynthesis and celluar respiration are opposite reactions.
Answers
The statement 'photosynthesis and cellular respiration are opposite reactions' best describes the relationship between photosynthesis and cellular respiration.
What is cellular respiration?Cellular respiration is a chemical process where foods and oxygen are used to generate ATP in aerobic conditions.
Conversely, photosynthesis is a chemical process where light and carbon dioxide are used to generate chemical energy.
In conclusion, the statement 'photosynthesis and cellular respiration are opposite reactions' best describes the relationship between photosynthesis and cellular respiration.
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What is true about the breakdown of starch?
a.
Animals, but not plants, can break down starch.
b.
Organisms break down starch into carbon, hydrogen, and oxygen atoms.
C. Organisms break down starch into carbohydrate subunits.
d.
Starch breakdown is not a chemical reaction
Answers
Answer:
Option C
Explanation:
Organisms break down starch into glucose
Which is a carbohydrate subunitThe organisms are found in our digestive system helps in break down of starch and turns them into glucoseAnswer:
Organisms break down starch into carbohydrate subunits.
Explanation:
Starch is a necessary amount of our bodyIt is used as an carbohydrate subunit well known as glucoseIt is converted through organismsSo option C is correct
Please hurry! classify the following as a
heterogeneous mixture,
homogeneous mixture (solution), or
a pure substance:
s'mores
a. heterogeneous mixture
b. homogeneous mixture/solution
c. pure substance
Answers
Answer:it’s A
Explanation:
Smores are made up of different materials are made by squashing a hot, oozing marshmallow with chocolate between two Graham crackers. This is heterogeneous mixture.
What are S’mores?A dessert consisting usually of toasted marshmallow and pieces of chocolate bar sandwiched between two graham crackers. Graham crackers, marshmallows, and chocolate are used to make s'mores. Homogenous mixture: A homogeneous mixture is a mixture of substances blended so thoroughly that you cannot see individual substances. Example- A mixture of salt and water, A mixture of water and sugar.
Heterogeneous mixture: A heterogeneous mixture is a mixture of two or more compounds. Example- Vegetable soup is a heterogeneous mixture. Any given spoonful of soup will contain varying amounts of the different vegetables.
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A sample of helium gas has a volume of 6.50l at a pressure of 845 mmhg and a temperature of 25oc. what is the pressure of the gas in atm when the volume and temperature of the gas sample are changed to 1850 ml and 325 k
Answers
Answer:
4.25atm
Explanation:
[tex]\frac{P1V1}{T1}\\[/tex]=[tex]\frac{P2V2}{T2}[/tex]
where ,
p1 =845/760=1.11atm
v1=6.50l
t1=25c +273k=298k
p2=?
v2=1850/1000=1.85l
t2=325k
so answer is 4.25 atm
2.
An ion has 15 protons, 16 neutrons, and 18 electrons.
a.
b.
What is the atomic number?
What is the mass number?
What is the overall charge?
d. Write the isotope notation.
C.
Answers
For B to find the atomic mass you would just have to add the protons and neutrons so 15+16=31 and as we can see Phosphorus does have a mass of 31 so for B it would be 31
For C it would be 5
And for D it would be the atomic mass of Phosphorus which is 31 over the atomic number which is 15 so it would be P31/15
Why the bond angle of ammonium is larger than water?
Answers
Answer:
This repulsion is stronger than the repulsion between the lone pair and the three bond pairs on the nitrogen atom. Since the repulsions on the bond pairs in H2O molecule are greater than that in NH3 the bond angle in water is less than that of ammonia.
How might this graph be different if the farmers had grown a wide variety of potato plants or had included other crops in their fields? Construct an explanation to support your answer. Construct an explanation to support your answer.
Answers
The graph would not have plummeted if various species were planted due to improvement of the potato crops.
What is variety?
The term variety has to do with the planting of different species of plants on the same farm. We know that the planting of different species of the same crop helps to improve the resistance to diseases of a plant.
Hence, the graph would not have plummeted if various species were planted due to improvement of the potato crops.
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Which are examples of biotic factors? Select three options.
rotting log
stream water
dead leaves
bacteria
soil
Answers
The biotic factors are bacteria soil, dead leaves, and stream water.
What is an abiotic factor?An abiotic factor is a non-living part of an ecosystem that shapes its environment.
Biotic and abiotic factors make up a community via interaction.
Biotic factors are considered living things (having "life") while abiotic factors are simply non-living things.
The dead leaves of plants are an abiotic factor, the bacteria in soil are living matter and stream flowing, etc.
Hence, the biotic factors are bacteria soil, dead leaves, and stream water.
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Explain the process of how clouds form
Answers
Answer:
clouds are formed when the invisible water vapour in the air condenses into visible water droplets or ice crystal
Answer: Clouds need two things to form: cool air and particles on which water vapor can condense. Clouds form as air cools. Cold air cannot hold as much water vapor, so the water vapor condenses. Water vapor condenses on small particles in the atmosphere, such as smoke, salt, and dust. As a result, clouds form.
Explanation: correct on edge
Select the correct answer. the compound diborane can be used as a rocket propellant. what is the percent composition of boron in diborane (b2h6)? a. 22% b. 25% c. 39% d. 75% e. 78%
Answers
The percent composition of boron in diborane (b2h6) is 78% because the mass of boron is higher than hydrogen atom.
What is diborane?Diborane is a poisonous, reactive gas that is produced by the action of acids on borides. Diborane is used as a reducing agent for making other chemicals and also act as a catalyst.
So we can conclude that The percent composition of boron in diborane (b2h6) is 78% because the mass of boron is higher than hydrogen atom.
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The compound diborane can be used as a rocket propellant. the percentage composition of boron in diborane (B2H6) is 75%. Option D. This is further explained below.
What is the compound diborane?Generally, Diborane is simply defined as a compound having the molecular formula B2H6, Diborane is more often known as diborane.
In conclusion, As a rocket fuel, diborane is a useful chemical. Diborane (B2H6) contains 75 percent boron by weight.
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A 140.05g sample of NiSO4 . XH2O is heated until there is no further decrease in the mass. The mass of the anhydrous salt is 77.5g. What is the value of X?
Answers
From the calculations, the value of x is found to be 7.
What is the anhydrous salt?The anhydrous salt is the salt that does not contain the water of crystallization.
We know that;
Number of moles of anhydrous salt = number of moles of hydrated salt
Number of moles of anhydrous salt = 77.5g/155 g/mol = 0.5 moles
Number of moles of hydrated NiSO4= 140.05g/155 + 18x
Thus;
0.5 = 140.05g/155 + 18x
0.5 (155 + 18x) = 140.05
77.5 + 9x = 140.05
x = 140.05 - 77.5 /9
= 7
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What health benefits can you get from consuming fiber? (select all that apply.)
soluble fiber can be absorbed into your skin to increase skin cells.
fiber helps digestion and can prevent constipation.
fiber can help create red blood cells.
soluble fiber helps lower cholesterol, which may prevent heart disease.
Answers
Answer:
Above all are correct answer.
some other benefits are like, Dietary fiber increases the weight and size of your stool and softens
Answer:
I Think its fiber helps digestion and can prevent constipation.and soluble fiber helps lower cholesterol, which may prevent heart disease.
Explanation: