Answer:
Their structure is related to their function.
Explanation:
Protein structure is related to their function. Therefore, the correct option is option D among all the given options.
What is protein?Proteins are huge biomolecular and macromolecular structures made up of one or even more long amino acid residue chains. Proteins serve a wide range of roles inside animals, including catalyzing metabolic events, DNA replication, reacting to stimuli, provides support to organisms and cells including transporting chemicals.
Proteins differ largely in their amino acid sequence, which is determined by the genetic code from their genes and generally culminates with protein folding into such a particular 3D structure that dictates its function. Protein structure is related to their function.
Therefore, the correct option is option D.
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Calculate the normal concentration of a solution containing 20.8 g in 400 ml.
Answer:
52 g/L
Explanation:
First, 400 mL / 1000 = 0.4 L
20.8 g / 0.4 L = 52 g /L
Calculating Moles of Particles
QUICK CHECK
How many moles of particles are formed by dissolving one mole of each of the following in water?
Ethanol
CaCl2
5 X = 1 mole(s) of particles
25 X = 3 mole(s) of particles
COMPLETE
COMPLETE
(NH4)2SO4
Sucrose
mole(s) of particles
3 X = 1 mole(s) of particles
DONE
COMPLETE
Na2HPO4
mole(s) of particles
3
Answer:
check the picture down below
Explanation:
b. How many grams of H20 is needed to react with 20.0 grams of P4010
P4010 + 6H20 -----> 4H3PO4
20
12 3.2
12bw
7. A certain music box ha the shape of a cube. Ea
cm long. What is the surface area of the box?
8. Find the amount of tin needed to make a milk to
cm and a height of 5cm.
9. Angelo is wrapping a present. The box he is using is
of 10 cm, a width of 7 cm and a height of 5 cm. Find
gift wrapper he needs to wrap the entire box?
10.
The side of the a cube measures 12 cm. Sc
a
help me this is due soon
Answer:
Hot magma change climate continents drift block sunlight folded mountains form rock deposits
Explanation:
brainliest now
Nitrogen (iv) oxide is passed through the combustion tube before copper is heated.Give a reason for this?
to generate steam which act on copper
What information does Gibbs free energy give about a reaction?
A. It tells how quickly the reaction will proceed to equilibrium.
B. It tells if the reaction will proceed spontaneously or not.
C. It tells what the most stable forms of the products are.
D. It tells what the activation energy of the forward reaction is.
Answer: b
Explanation:
How many grams of FeCo3 will be produced from 57.2g FeCl2
Answer:
287.30 g of FeCO₃
Solution:
The Balance Chemical Equation is as follow,
FeCl₂ + Na₂CO₃ → FeCO₃ + 2 NaCl
Step 1: Calculate Mass of FeCl₂ as,
Molarity = Moles ÷ Volume
Solving for Moles,
Moles = Molarity × Volume
Putting Values,
Moles = 2 mol.L⁻¹ × 1.24 L
Moles = 2.48 mol
Also,
Moles = Mass ÷ M.Mass
Solving for Mass,
Mass = Moles × M.Mass
Putting Values,
Mass = 2.48 mol × 126.75 g.mol⁻¹
Mass = 314.34 g of FeCl₂
Step 2: Calculate Mass of FeCO₃ formed as,
According to equation,
126.75 g (1 mole) FeCl₂ produces = 115.85 g (1 mole) FeCO₃
So,
314.34 g of FeCl₂ will produce = X g of FeCO₃
Solving for X,
X = (314.34 g × 115.85 g) ÷ 126.75 g
X = 287.30 g of FeCO₃
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Identify the independent /manipulated variable
Answer:
independent- test variable
manipulated - outcome variable; if needed, there could be changes.
Explanation:
knowledge
Which is most reactive out of calcium, potassium, and magnesium?
Answer:
As we have already discussed, reactivity of alkali metals tends to increase as you go down the group. Therefore, sodium is less reactive with water than is potassium, likewise with the alkaline metals; calcium is more reactive than magnesium
Between a water molecule and an anion, like Cl-, a _____A_____ occurs between a _____B_____ of the water molecule and the anion.
Between a water molecule and an anion, like Cl-, a hydrogen bon occurs between hydrogen atom of the water molecule and the anion.
What is hydrogen bond?Hydrogen bond is a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other. Hydrogen atom in water molecule attract anion due to presence of hydrogen bond.
So we can conclude that hydrogen bond occurs between hydrogen atom of the water molecule and the anion.
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Answer:
Explanation:88766
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A 30.4ml sample of 2.38 M solution of KCI (molar mass = 74.55 g/mol) is prepared. How many grams of KCI are in the solution?
Do not report units in your answer. Report your answer with two places past the decimal point.
ignore this, it wont let me exit this screen/ tab for some reason..
Amphetamine (C9H13N) is a weak base with a pKb of 4.2.
Calculate the pH of a solution containing an amphetamine concentration of 215 mg/L .
Express your answer to two decimal places.
Weak base: [OH⁻] = √Kb.C
pKb = 4.2
[tex]\tt Kb=10^{-4.2}[/tex]
c = concentration
MM Amphetamine (C9H13N) = 135.21 g/mol
c = 215 mg/L = (0.215 g : 135,21 g/mol) / L = 0.00159 mol/L = 1.59 x 10⁻³ mol/L
[tex]\tt [OH^-]=\sqrt{10^{-4.2}\times 1.59\times 10^{-3}}=3.17\times 10^{-4}[/tex]
pOH = 4 - log 3.17
pH = 14 - (4 - log 3.17)
pH = 10 + log 3.17 = 10.50
the pH of an acidic solution is 2.47. what is the [H+]
[tex]pH=-\log[H^{+}]\\\\\implies [H^{+}] =10^{-pH}=10^{-2.47}=0.0034~M[/tex]
1) Identify two different mineral nutrients present in the fertilizer
that helped the plant recover. Then, describe how each nutrient
benefits the plant.
The two different mineral elements that a fertilizer can contain are:
Phosphorus - build up of nucleic acid and ATPNitrogen- synthesis of proteinsWhat are fertilizers?Fertilizers are chemical substances added to the soil in order to improve crop growth and development.
Fertilizers are artificially made to contain mineral elements that are needed by the plants. Some of the mineral elements are as follows:
PhosphorusNitrogenPottasiumPhosphorus helps in the build up of nucleic acids and ATP for energy. Nitrogen is useful in the synthesis of proteins.Learn more about minerals at: https://brainly.com/question/18078524
Answer:
is the answer above right? im literally struggling rn
Explanation:
In picture 4, the net force on the car is mostly the result of? A. Gravity. B. Constant velocity. C. Wind. D. Friction.
Answer:
D beacuse I think that's Force
Chromium reacts with bromine to produce chromium(iii) bromide
The balanced chemical equation for the reaction between chromium and bromine to produce chromium(III) bromide is:
2 Cr + 3 Br2 → 2 CrBr3
This equation shows that two chromium atoms react with three molecules of bromine to form two molecules of chromium(III) bromide.
What is a redox reaction?A redox reaction is a type of chemical reaction that involves the transfer of electrons between reactants. The term "redox" comes from the combination of two processes during the reaction: reduction, which involves the gain of electrons by a reactant, and oxidation, which involves the loss of electrons by a reactant.
Why is the above reaction an example of a redox reaction?The reaction is an example of a redox reaction, where reduction and oxidation occur simultaneously. Chromium is oxidized, while bromine is reduced. The reaction also shows the importance of balancing the number of atoms on both sides of the equation to ensure that the law of conservation of mass is satisfied.
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I need help with Discussion of chemical reaction of experiment Asp please!!
Answer:
may I help?............
What type of molecule is cis-2-pentene?
O A. Alkane
B. Alkyne
C. Branched alkane
D. Alkene
The given molecule, cis-2-pentene, is an Alkene. The correct option is D. Alkene
Saturated & Unsaturated HydrocarbonsAlkanes, Alkenes, and Alkynes are examples of simple hydrocarbons.
Alkanes are the simplest organic compounds. They have only single bonds between carbon atoms and are called saturated hydrocarbons. Their nomenclature usually ends in -ane.Alkenes on the other hand have at least one carbon-carbon double bond. Their nomenclature usually ends in -ene. Alkynes have one or more carbon-carbon triple bonds.Their nomenclature usually ends in -yne. Alkenes and alkynes are called as unsaturated hydrocarbons.The given molecule is cis-2-pentene
Since the name of the molecule ends in "ene", the molecule is an Alkene.
Hence, the given molecule, cis-2-pentene, is an Alkene. The correct option is D. Alkene
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Answer: Alkene
Explanation: just took tha test
Which statements describe the motion of the object represented by the graph? Select three options.
The object is moving away from the origin.
The object is moving towards the origin.
The object started at the origin.
The object started at 2 meters.
The object is traveling at a constant velocity.
Answer:
The object is moving away from the origin.
Explanation:
Answer:
The object is moving away from the origin
The object started at 2 meters.
The object is traveling at a constant velocity.
Explanation:
The line on the graph is moving in the upward direction which means the farther right on the graph you go the farther up the line is. The line also has a constant slope which indicates that the object is moving at a constant rate. and if you look at x=0 the y=2 so therefor the object started at 2 meters.
In this circuit, energy is transferred from a battery to a circuit wire and then to a light bulb, where some of it leaves the system. Starting from the battery, which series shows the correct order of energy transformations taking place in this circuit?
light and heat
chemical
electrical
put them in order
Answer:
chemical electrical light heat
Explain how oxygen and carbon dioxide move with breathing.
Answer/Explanation:
With oxygen, it is what you breathe in so obviously, it is going to move around into your body. But with carbon dioxide, it is what you breathe out. When you breathe in, your body takes in the oxygen and the releases the carbon dioxide. Carbon dioxide is what plants actually consume, while they release oxygen.
I hope this helps!
-No one
What is the difference between metallic and non metallic oxides?
Answer:
Metal oxides are compounds composed of metal ions and oxide ions. Nonmetal oxides are compounds composed of nonmetal atoms and oxygen atoms. The main difference between metal oxides and non metal oxides is that metal oxides are basic compounds whereas nonmetal oxides are acidic compounds.
Explanation:
have a great day ahead
tC
Answer:
Metals react with oxygen to form metallic oxide while Nonmetals react with oxygen to form non-metallic oxide. metallic oxides are basic in nature while Nonmetallic oxides are acidic in nature.
Metal oxides are compounds composed of metal ions and oxide ions. Nonmetal oxides are compounds composed of nonmetal atoms and oxygen atoms. The main difference between metal oxides and non-metal oxides is that metal oxides are basic compounds whereas nonmetal oxides are acidic compounds.
METALS:
Metals usually do not combine with hydrogen. Only a few reactive metals combine with hydrogen to form ionic metal hydrides.
--------------------------------------------------------------------
NON-METALS:
Non-metals react with hydrogen to form stable, covalent hydrides.
Explanation:
Have a great rest of your day
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1. Can you please put the following chromatography solvents in order of polarity as a chromatography solvent: acetone, n-propanol,
water, hexane, diethyl ether, methanol and explain
2. chromatography with a mixture of n-propanol and water. Would it make sense to add hexane to this mixture to try and make it work better? why?
3. The basic food colors you can buy are red, blue, green, and yellow. Think about what you know about colors
and predict which of these might be a single colored compound and which ones might contain more than one.
Write down your prediction. If you have the colors listed and want a purple color, what would you do?
The order of increasing polarity of the solvents is; hexane< diethyl ether < acetone < n-propanol < methanol < water
What is chromatography?Chromatography literarily means "color writing". It provides a means of separating the components of a mixture based on its components.
The solvent in chromatography is the mobile phase while the adsorbent is the stationary phase. The order of increasing polarity of the solvents is; hexane< diethyl ether < acetone < n-propanol < methanol < water
If we have a mixture of n-propanol and water, it would be good to add hexane to the mixture for the sake of the elution of non-polar solutes.
The secondary color green may be composed of more than one color while red, blue and yellow are single colors.
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How many moles of HCl are in 57 mL of 0.17 M HCl ?
[tex]\text{Given that,}\\ \\\text{Volume,}~V= 57 mL = 0.057 L\\\\\text{Molar concentration,}~ S = 0.17 ~mol/L\\\\\text{Number of moles,} ~ n=?\\\\S = \dfrac{n}{V} \\\\\implies n = SV = 0.17\times 0.057 =0.00969 ~mol ~ HCl[/tex]
What does absolute zero physically mean at the particle level?
ASAP!
Answer:
Absolute zero is the lowest limit of the thermodynamic temperature scale, a state at which the enthalpy and entropy of a cooled ideal gas reach their minimum value, taken as zero kelvin.
Explain ionization suppressants as applied to atomic spectrometry
An ionization suppressor is an alkali metal capable of preventing ionization, which can be used in atomic spectroscopy to determine matter composition.
What is ionization?Ionization refers to the phenomena capable of converting neutral atoms/molecules to electrically charged atoms/ions.
Ionization is a process by which radiation (e.g., alpha, beta, gamma rays) can pass energy to inert matter.
Some examples of ionization suppressors include salts of alkali metals (for example, potassium), which can be used in atomic spectroscopy to determine matter composition.
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All of the following are sources of air pollution EXCEPT
-mobile sources
- Factories
-scrubbers
-Landfills
Answer:
Mobile sources
..........................
If a Hh mom has an offspring with a hh dad, what is the probability that the offspring will have a dominant phenotype?
Question 2 options:
20%
10%
50%
40%
Answer:
I think 50%
Explanation:
im not really sure
23.4 grams of Al2(SO3)3 is yielded through a chemical reaction. How many moles is this?
Answer:
.0796 mole
Explanation:
Al2 (SO3)3 add the molecular weights
2 * Al = 2 * 26.982 +
3 * S = 3 * 32.06 +
9 * O = 6 * 15.999 = 294.135 gm per mole
Now... you have 23.4 grams of this substance
23.4/294.135 = .0796 mole
EDITED !
Oxidation Number of Carbon in C6H12O6
Correct option is C)
C
6
H
12
O
6
6x+12−12=0
C has oxidation number = 0
Sorry if my answers wrong.