Atoms in the amino acids become the h₂O molecule produced by their action in the model and come off from the central carbon and nitrogen but not from the carboxyl, R side chain, or amine.
An amino acid is a group of organic molecules that consist of a basic acidic carboxyl group (―COOH), amino group (―NH2), and an organic R group (or side chain) that is different from each amino acid. Amino acid, the term is a short form of α-amino [alpha-amino] carboxylic acid.
Whereas, the peptide bond is the chemical bond which is a chemical bond formed between two molecules when the carboxyl group of a particular molecule reacts with the amino group of the other molecule, leading to releasing a molecule of water (H2O).
Each molecule consists of a central carbon atom referred to as the α-carbon, to which both a carboxyl group and amino are attached. The remaining two bonds of the α-carbon atom are generally occupied by the R group and a hydrogen (H) atom .
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Why does the United kingdom have a temperate climate instead of a polar climate
Answer:
https://www.bbc.co.uk/bitesize/guides/zpykxsg/revision/3 (i know ppl hate it when you put links but i actually think this may explain it)
Explanation:
What is the number of Co2 in a 220 gram
I need help I will give crown
Answer:
This is a scientific model.
Explanation:
A scientific model is a representation of systems of ideas, events or processes.
This drawing offers explanations that enables the water cycle to be predicted.
MULTIPLE CHOICE
This equation represents an unbalanced chemical reaction:
Nal + Cl2 → NaCl + 12
When the equation is balanced, which coefficient should be placed before NaCl?
Answer:
C 2
Explanation:
2Nal + Cl2 → 2NaCl + I2
This is balanced equation
what are three different facts about mass
plz tel will give brainlyest
Answer: all mass takes up space. everything has mass. Theres a unit of mass called a slug thats not the bug!
Explanation:
How can the rate of a reaction be decreased? question 4 options: a. lowering the temperatureb. increasing the amount of reactants c. having more surface area d. adding a catalyst
The rate of a reaction can be decreased by lowering the temperature or adding an inhibitor.
Lowering the temperature of a reaction reduces the kinetic energy of the molecules, causing them to collide less frequently and with less energy, which slows down the reaction rate. Inhibitors are substances that reduce the activity of a catalyst, which can decrease the rate of a reaction. They work by binding to the catalyst and changing its shape, preventing it from binding to the reactants or slowing down its catalytic activity.
In chemical reactions, reactant molecules must collide with sufficient energy and proper orientation for the reaction to occur. The rate of a reaction can be increased by increasing the frequency and effectiveness of these collisions. This can be achieved by increasing the temperature, adding more reactants, or increasing the surface area of the reactants.
Lowering the temperature decreases the kinetic energy of the molecules, reducing the frequency and effectiveness of collisions. Increasing the amount of reactants increases the frequency of collisions, leading to an increase in the rate of reaction. Increasing the surface area of reactants exposes more molecules to collisions, increasing the frequency of collisions and therefore the rate of reaction.
A catalyst is a substance that increases the rate of a chemical reaction without being consumed by the reaction itself. Catalysts work by lowering the activation energy required for the reaction to occur, increasing the frequency of effective collisions between reactant molecules.
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a student sets up two reactions. reaction 1 uses 0.110 mol/lmol/l of reactant, and reaction 2 uses 0.400 mol/lmol/l of reactant. how many times faster is reaction 2 compared to reaction 1?
When a student sets up two reactions. reaction 1 uses 0.110 mol/lmol/l of reactant, and reaction 2 uses 0.400 mol/lmol/l of reactant, reaction 2 is 3.64 times faster than reaction 1.
The rate of reaction is the speed at which reactants are converted into products in a chemical reaction. It is typically measured as the change in concentration of a reactant or product per unit time. It can be affected by a number of factors, including temperature, concentration, surface area, and the presence of a catalyst.
The rate of a reaction is directly proportional to the concentration of the reactant. This means that if the concentration of the reactant is doubled, the rate of the reaction will also double.
Rate 2 / Rate 1 = (Concentration of reactant 2 / Concentration of reactant 1)
To find the rate ratio of reaction 2 to reaction 1, we need to substitute the given values in the above equation.
Rate 2 / Rate 1 = (0.400 mol/L) / (0.110 mol/L = 3.64
Therefore, reaction 2 is 3.64 times faster than reaction 1.
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Which of the following elements is used to make metal products?
oxygen
potassium
calcium
iron
Its Iron and Potassium because if you look at the periodic table,and you go down the list of metals, you can see what metals are there.
What is the dominant intermolecular force that determines the solubility of the amine hydrochloride salt of ethyl 4-aminobenzoate in water?.
ion-ion, is the dominant intermolecular force that determines the solubility of the amine hydrochloride salt of ethyl 4-aminobenzoate in water.
What is hydrochloride ?It is standard practice to transform amines into their hydrochlorides in order to increase their water solubility, which might be advantageous for compounds used in pharmaceuticals. More than 200 hydrochlorides are listed as active components in pharmaceuticals in the European Pharmacopoeia. In comparison to free bases, these hydrochlorides might dissolve more easily in the digestive system and be absorbed into the bloodstream faster. Furthermore, many amine hydrochlorides have a longer shelf life than their corresponding free bases.
Amine hydrochlorides are latent forms of a free base, which is more reactive. In this sense, protection is granted by the production of an amine hydrochloride. The hydrochlorides of the amino acids serve as an example of this phenomenon. Shelf-stable glycine methyl ester hydrochloride is easily transformed into reactive glycine methyl ester, a substance.
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Consider what happens when a sample of the explosive TNT is detonated under atmospheric pressure. What is the sign of q for this process?
The sign of q for this process is negative as heat is released into the surroundings when a sample of explosive TNT is detonated under atmospheric pressure.
When TNT(Trinitrotoluene) is detonated under atmospheric pressure, it undergoes an exothermic reaction which releases a large amount of heat and gas. This process is highly exothermic and releases energy in the form of heat, light, and a shock wave. The force exerted by the air on the surface above it is called Atmosphere Pressure. Atmospheric pressure is measured using a device called barometer. The standard atmosphere is a unit of pressure given by 101,325 Pa, which is equivalent to 1013.25 millibars, 760 mm Hg, 29.9212 inches Hg, or 14.696 psi.
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in the ous/ic system which species is named with the ic ending
In the ous/ic system, the naming of chemical species is based on the level of oxidation state of the central element in the compound. The species with the higher oxidation state is named with the "ic" ending, while the species with the lower oxidation state is named with the "ous" ending. This system helps to differentiate between two species that contain the same elements but have different oxidation states.
In the ous/ic system, many species are named with the ic ending. Some examples include the Atlantic herring, the Arctic tern, and the Pacific salmon. The ic ending typically indicates that the species belongs to a certain family or group. For example, many fish species in the herring family are named with the ic ending. However, it's important to note that not all species in the ous/ic system are named with this ending, and some may have different suffixes such as ate or ide. Overall, the ous/ic system is a useful tool for categorizing and identifying different species in the animal kingdom.
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what are examples of soluble salts (metal+acids)
Answer:
Chloride salts - made of HCI
Nitrate salts - made of HNO3
Sulfate salts - made of H2SO4
These are all the examples I could think of.
A plant cell takes in carbon dioxide gas, sunlight, and water. Structures in the cell produce sugar for the
plant to use as food to power cell processes. Which characteristic of life is BEST described in this scenario?
#1 of 6-
A All living things respond to stimulus.
B All living things obtain and use materials and energy.
C All living things contain DNA.
D
All living things grow and develop.
G
Answer:
D All living things grow and develop
Explanation:
the question is asking about photosynthesis and use of sugar for metabolic process like growth , use of energy for cell divison etc . this is basic for all living things.
What mass of sulfuric acid (H2SO4) is contained in 50.00 mL of a 5.85 M solution? grams
Answer:
28.69 grams
Explanation:
To find the mass, we first need to find the moles. Once we have the moles, it is easy to use the molar mass of H2SO4 to find its mass.
To find the moles, remember that molarity (M) is equal to the moles divided by the volume (L). The volume HAS TO be converted to liters!
M = moles / V
5.85 M = moles / 0.05 L
moles = 0.2925
Now we know that we have 0.2925 moles of sulfuric acid. The molar mass of sulfuric acid is 98.08 g/mol.
0.2925 moles * (98.08 g / mol) = 28.69 grams
Make sense? If you have any questions, don't hesitate to ask!
when water unfreezes what happens to the volume of the sample
it increases
it decreases
it stays the same
Answer:
It eventually decreases.Explanation:
Frozen water is known to have more volume, but less density. When water slowly gets unfrozen, it'd volume decreases and its density increases. Hence, when the water gets unfrozen, it's volume decreases.
Is this molecule a polar or non polar?
Answer:
This is polar
Explanation:
If the arrows are of different lengths, and if they do not balance each other, the molecule is polar.
If the arrangement is asymmetrical, the molecule is polar.
Hope this helped!!!
can the atomic mass of an element vary? can the atomic mass of an element vary? no, it is fixed; otherwise a new element will be formed. yes. adding or losing neutrons will change the atomic mass without forming a different element. yes. adding or losing protons will change the atomic mass without forming a different element. yes. adding or losing electrons will substantially change the atomic mass.
Answer:Yes. Adding or losing neutrons will change the atomic mass without forming a different element.
Explanation: Brainly
Whats the atomic weight of thorium?
Answer:
232.04u is the atomic weight of Thorium.
if water is added to a 0.70 molar solution of CuSO4 what will change
A. molarity will increase
B. Molarity will decrease
C. the amount of CuSO4 will decrease
D. No change in molarity or amount of salute
Answer:
B. Molarity will decrease
Explanation:
Molarity is one of the measures of the molar concentration of a solution. It is calculated by dividing the number of moles of the solute by the volume of the solvent. This means that the higher the amount of solute in relation to the volume of solvent, the higher the molarity of that solution.
In essence, adding water to a solution dilutes it i.e it increases the solvent's volume in relation to the solute, causing the molarity to decrease. In a nutshell, diluting a solution (by adding water or more solvent) causes the molarity of such solution to decrease. For example, if water is added to a 0.70 molar solution of CuSO4, the molarity of the solution will DECREASE.
What is the charge on an ion with 21 protons, 30 neutrons, and 18 electrons.
A.) 2+
B.) 3+
C.) 4+
D.) 4-
Answer:
3+
Explanation:
Ignore neutrons.
Protons are positive and electrons are negative. To find a charge, it is protons minus electrons. In this atom, there are 21 protons and 18 electrons
21-18=3
Positive 3
Ions can be made by single element or covalently bonded group of elements. The covalently bonded group of elements is called polyatomic ions or polyatomic atoms. The correct option option B.
What is Ions?Any species that contain charge whether it is positive charge or negative charge is called ions. The example of polyatomic ions are sulfate, phosphate, nitrate etc.
Cation is the species that loose electron and attain positive charge while anion is a species which gain electron and attains negative charge so when anion and cation combine in fixed ration the the overall charge of the molecule is zero that is molecule is neutral.
Protons are positive and electrons are negative. To find a charge, it is protons minus electrons. In this atom, there are 21 protons and 18 electrons, 21-18=+3
Therefore the charge on an ion is +3.
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Hypothesis: If you can measure the pH of a range of acids and bases using a universal pH indicator, then you can use those values to calibrate a cabbage pH indicator. To determine the pH of a solution using a pH indicator paper, you need a .
To determine the pH of a solution using a pH indicator paper, you need a color chart or a color scale that corresponds to different pH values.
This color chart or scale is used to compare the color of the pH indicator paper after it has been immersed in the solution. The pH indicator paper is impregnated with a universal pH indicator, which is a chemical compound that changes color depending on the acidity or alkalinity of the solution.
The indicator undergoes a chemical reaction with the hydrogen ions (H+) or hydroxide ions (OH-) present in the solution, resulting in a color change.
By comparing the color of the pH indicator paper with the color chart or scale, you can determine the approximate pH of the solution. The color chart usually provides a range of colors corresponding to different pH values, allowing you to match the observed color to the nearest pH value.
In the hypothesis mentioned, the aim is to calibrate a cabbage pH indicator using the pH values obtained from a universal pH indicator. Therefore, in addition to the pH indicator paper and color chart, you would also need a range of solutions with known pH values to establish a calibration curve specific to the cabbage pH indicator.
In summary, to determine the pH of a solution using a pH indicator paper, you need a color chart or scale that correlates the observed color of the pH indicator paper with different pH values. This chart or scale serves as a reference for interpreting the color change and determining the pH of the solution.
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Answer: COLOR KEY
Explanation: CS
Write What you learned with examples from the Video.
You will need to have 10 of what you learned with examples..
A tutorial concerning atomic orbitals can help one comprehend the fundamental tenets of quantum mechanics pertaining to atoms and their electrons.
What can one learn from such tutorial?This tutorial encompasses the shapes, extents, as well as energies of atomic orbitals; moreover, it shows how they congregate to create molecular orbitals.
In addition to that, it notifies us on how the electronic arrangements of atoms determine their chemical traits and functions such as responsiveness and its capability to bond with other atoms.
Thus, a tutorial concerning atomic orbitals builds up a foundation for understanding the behavior of matter at both the atomic and molecular levels.
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Note that the video was about Orbitals in Atoms. Here is some information about that.
What about Basic Atomic Orbitals?Existence of electrons in an energy state is referred to as Basic Atomic Orbitals.
Characterized by their shape, energy, and probability of containing an electron, the orbitals are categorized into various types such as s, p, d and f - each with a unique structure and distinct energy levels. For instance, the spherical shape of an s-orbital possesses greater energy when away from the nucleus.
Meanwhile, a p-orbital has two lobes separated by a node. Of utmost importance when examining atoms, molecules, and chemical reactions is gaining knowledge about atomic orbitals. Unlike other orbitals, d and f varieties possess a high degree of complexity regarding shape as well as energy distribution.
Physically speaking,the probability that electrons exist within these orbitals can be determined through measuring electron densities based on their distances from nuclei.
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What is the unit for the answer?
23.67 boops
x
0.256 snoots
35 boops
Х
520. zoinks
Х
92 snoots
2
218 snoots
34 wout
Х
2
8765 wows
345 zoinks
boops
snoots
WOWS
zoinks
wows/snoots
boops/zoinks
Answer:Answer to: A function f is defined on the interval ~[0,4], and its derivative is { e^{sinx} - 2cos3x } a. on what interval is f increasing? b....
Missing
Explanation:
Assume that temperature and number of moles of gas are constant in this problem.
Use the graph to complete the statement below.
This graph shows that pressure and volume have
The relationship can be seen as a nonlinear inverse relationship.
Relationship of volume and pressureGas particles are squeezed and have less room to move as pressure rises. As a result, the gas takes up less space. Similar to this, as pressure drops, the space available for the gas particles to flow expands, increasing volume.
It's crucial to remember that Boyle's law counts on the temperature and gas volume remaining constant. In order to adequately represent the relationship between volume and pressure during deviations from ideal conditions, such as high pressures or low temperatures, additional considerations, such as the compressibility factor or the ideal gas law, may be necessary.
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the following reaction gives a product with the molecular formula c4h8o2. draw the structure of the product.
The following reaction gives a product with the molecular formula C₄H₈O₂. The diagram of the structure of the product can be seen in the image attached below.
The reaction between C₂H₂(ONa)₂ and C₂H₄Br results in the formation of the product C₄H₈O₂ and 2NaBr.
This reaction undergoes an SN₂ mechanism since there is no stable carbocation formed. In the reaction -O⁻Na⁺ attacks the ortho position in C₂H₄Br to form C₄H₈O₂.
In SN₂ mechanism is a nucleophilic substitution reaction where one bond is formed while another one is broken simultaneously.
The mechanism for the reaction can be seen in the image attached below.
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Which of the following reactions
is BALANCED and shows
INCOMPLETE combustion?
A. 2CH +40, - 5CO+6H,O
B. 2C₂H+40₂ → 7CO₂ + 6H₂O
C.
2C₂H+70₂4CO₂ + 6H₂O
D. 2C,H, +50, + 4CO + 6H₂0
The balanced reaction that shows incomplete combustion is 2C4H10 + 5O2 → 4CO + 6H2O.
option D.
What is balanced equation for incomplete combustion?The balanced equation for incomplete combustion involves a reactant, usually a hydrocarbon fuel, reacting with a limited supply of oxygen to produce carbon monoxide (CO) instead of carbon dioxide (CO2) and water (H2O).
Out of the options given, the balanced equation that shows incomplete combustion is:
D. 2C4H10 + 5O2 → 4CO + 6H2O
This equation shows incomplete combustion because it produces carbon monoxide (CO) instead of carbon dioxide (CO2). The equation is balanced because there are equal numbers of atoms of each element on both the reactant and product sides of the equation.
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50 POINTS!! CAN SOMEONE PLEASEEEE HELP ME do this for my chemistry class please i need it done asap!! to give me the answers your probably going to have to write it on paper then attach the picture to your answer!! thank you so much!! <3
The chlorine atom only requires one more electron to fulfill its octet because the potassium atom only has one valence electron and has seven total electrons.
How do atoms work?Protons, positive charged particles, and neutrons, neutral charged particles, make up the nucleus of each atom. Around the nucleus are electrons, which are negative particles. Atoms of the same element share the same chemical characteristics and mass, but atoms of other elements have unique chemical characteristics and masses. Compounds are created when atoms join in ratios of few whole numbers.
Describe a compound?A compound is a substance made up of two or more types of elements together in a specific proportion of their atoms. As the components are combined, they interact with one another.
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Select the correct answer.
Is this equation completely balanced?
2C8H8 + 2502 → 8CO2 + 18H2O
A
No, because the number of carbon, hydrogen & oxygen atoms on both sides of the equation are not equal.
B.
No, because the number of oxygen atoms on both sides of the equation are not equal.
C. Yes, because all of the coefficients are in their lowest whole number ratio.
D.
No, because the number of hydrogen atoms on both sides of the equation are not equal.
E.
Yes, because the number of products is equal to the number of reactants.
Answer:
A
No, because the number of carbon, hydrogen & oxygen atoms on both sides of the equation are not equal.
Hope this helps!
If the pressure starts at 36 Kia what is the final pressure
answer:
is Well-Known Member. For a 35" you should be in the 28-32 range on road.
Explanation:
your welcome make brainlist
An increase in the temperature of a substance will _____ the fraction of molecules that have enough kinetic energy to escape the liquid phase and will therefore cause a(n) _____ in the vapor pressure.
An increase in the temperature of a substance will increase the fraction of molecules that have enough kinetic energy to escape the liquid phase and will therefore cause an increase in the vapor pressure.
At a certain temperature, the particles in a liquid have enough energy to change into gases. Boiling (also known as vaporisation) is the process of a liquid turning into a gas, whereas condensation is the process of a gas turning into a liquid.When a liquid's temperature rises, the molecules' kinetic energy rises as well, which might weaken intermolecular forces.
As a result, the liquid's viscosity decreases and the liquid can flow more freely. Liquid viscosity reduces as temperature rises, whereas gas viscosity rises. Viscosity diminishes as temperature rises because intermolecular forces deteriorate.
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