The amount of the amino acid glycine that is found in Stan’s apparatus is more than that of murchison meteorite.
What is amino acid?It should be noted that amino acid simply means organic compounds that contain both amino and carboxylate.
In this case, the amount of the amino acid glycine that is found in stan’s apparatus is more than that of murchison meteorite. This was depicted by the fraction of the three amino acids in the scenario.
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The actual amount of the amino acid glycine found in Stan’s apparatus is more than the amount of glycine in the Murchison meteorite.
What is amino acid?
Amino acids are the building blocks of proteins. The building blocks of life are amino acids and proteins.
Amino acids remain after proteins are digested or broken down. Amino acids are used by the human body to build proteins that aid the body to Break food down.It should be noted that amino acid simply means organic compounds that contain both amino and carboxylate.In this example, the amount of glycine detected in Stan's equipment is more than that found in the Murchison meteorite. The fraction of the three amino acids in the scenario represented this.
Hence amount of amino acid is more in Stan's apparatus as compared to the Murchison meteorite.
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You see color when light waves are reflected off an object or ____ by an object
Answer:
absorbed
Explanation:
Different colors of light can be reflected or absorbed and that determines color. For instance an object that absorbs every color but green will appear green to the human eye.
Sample data from titration lab:
Amount of analyte; (HCI): 19.54 mL
Amount of titrant: (NaOH): 12.33mL
Molar concentration of NaOH: 0.5 mol
The molarity of the HCl would be:
VM
The numbers I used are probably wrong
Based on the volumes of HCl and NaOH reacted, the molarity of HCl is 0.3 M
What a titration?A titration is a process in volumetric analysis in which the given volume of a substance of known concentration reacting with a volume another solution of unknown concentration is used to determine the unknown concentration of another solution
In the titration given, an unknown concentration of HCl reacts with 0.5 M NaOH solution.
The equation of the reaction is given below:
HCl + NaOH -----> NaCl + H2OAt equivalence point, 1 mole of HCl reacts with 1 moles of NaOH
moles of NaOH = 12.33 × 0.5 = 6.165 moles
moles of HCl = 19.54 × M
From above, moles of HCl = 6.165 moles
Molarity of HCl, M = 6.165/19.54
Molarity of HCl = 0.3 M
Therefore, the molarity of HCl is 0.3 M
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Answer:
0.317
Explanation:
right on edge
Hello people ~
CO2 extinguishers help extinguish fires by –
A. Cutting supply of nitrogen.
B. Limiting the supply of fuel.
C. Reducing the heat of the surroundings.
D. Cutting the supply of oxygen
Answer:
Cutting the supply of oxygen
Explanation:
We know that a thing need three things to burn
Oxygen Heat flammable object .Co_2 stops oxygen supply so fire gets extinguished
What enables humans to "see" light in the infrared range of the electromagnetic spectrum?
RF technology
UV converter
microwave sensor
night-vision goggles
Night vision Goggle's help human to see light in the infrared range of the electromagnetic spectrum.
What is Night vision Goggle's?Night-vision device Goggle is an optical device that is use to view images and allows images to be produced or refracted at different levels of lnfrared light approaching from electromagnetic spectrum.
Therefore, Night vision Goggle's help human to see light in the infrared range of the electromagnetic spectrum
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if 146.5 g of chromium(lll) chlorate decomposes, what mass of oxygen can be produced?
Answer:
The Equation for this reaction is as follow,
2 Cr(ClO₃)₃ → 2 CrCl₃ + 9 O₂
According to eq,
604.68 g (2mole) of Cr(ClO₃)₃ produces = 288 g (9 moles) of O₂
So,
146.5 g of Cr(ClO₃)₃ will produce = X g of O₂
Solving for X,
X = (146.5 g × 288 g) ÷ 604.68 g
X = 69.77 g of O₂
If a reaction is second-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 4, the reaction rate will _____
Answer:
A reaction is second order with respect to a reactant.
Rate =k[A]
2
(i) If the concentration of the reactant is doubled, the rate of reaction becomes 4 times .
(ii) If the concentration of the reactant is reduced to half, the rate of reaction becomes one fourth.
Explanation:
If a reaction is second-order with respect to a particular reactant, when the concentration of that reactant is increased by a factor of 4, the reaction rate will increased by factor 16.
How do we calculate the rate of second order reaction?Rate of the second order reaction will depends on the concentrations of one second-order reactant or two first-order reactants as:
Rate(1) = k[A]²
If the concentration of reactant becomes 4 times the initial concentration then rate will be:
Rate = k[4A]²
Rate(2) = 16k[A]²
Rate(2) = 16Rate(1)
Hence rate will increased by 16 times.
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If an object does Not explode, catch fire, or dissolve, how would you describe this object? (Three answers)
Non-combustible
eg:-glass,water,stone, Portland cement etc ...
Answer:
Noncombustible
Explanation:
Not explode means no blastsCan't catch fire hence no combustionnot dissolve means not reacts with H and OSo
Some examples are ,glass ,stone
hello people ~
Give the ratio in which hydrogen and oxygen are present in water by volume.
(a) 1:2
(b) 1:1
(c) 2:1
(d) 1:8
Answer:
Explanation:
The volume of Hydrogen and Oxygen molecules are not the same but assuming that they are, the ratio in water which is H2O would be
(c) 2:1
From the table of available reagents select the one(s) you would use to convert cyclohexanone to the following compound:
A reagent is a compound that is used for the detection of the absence or presence of another substance.
What are reagents?Your information is incomplete as the available reagents aren't given. Therefore, an overview will be given.
Reagents are the integral part of a chemical reaction as they facilitate a reaction. A reagent is usually used tests.
Some typical examples of reagents include Tollens reagent, Fehling's reagent, Million's reagent, etc.
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The reagents that would be used to convert cyclohexanone to the following compound: hydrogen cyanide, potassium cyanide, and H₃O⁺, heat.
What is cyclohexanone?It is an organic compound with a chemical formula [tex]\rm (CH_2)_5 CO[/tex].
The cyclohexanone is used as Insecticides, paint and varnish remover, synthetic resins, etc.
It is not harmful to humans and animals, inhalation cause irritation.
Thus, the compound: hydrogen cyanide, potassium cyanide, and H₃O⁺, heat.
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help ty! I just need help with the third one
Answer:
D
Explanation:
because if a flea is on a dog that is a parisite to host relashionship
Answer:
for number 3 is D
Explanation:
but i am not 100% sure of that
A solute is added to water and a portion of the solute remains undissolved. When equilibrium between the dissolved
Answer:
are you to measures how much solute dissolved with the water or trying to measure how much more water you need the solute to dissolve in ?
The solute is a component of the solution that is added to a solvent to make a solution. when equilibrium is attained then the solution will be saturated.
What is a saturated solution?A saturated solution is a solution that contains the maximum amount of dissolved solute particles in it and cannot further dissolve solutes added additionally.
When the solute is added and does not get dissolved then the equilibrium between dissolved and undissolved is reached and the solution becomes saturated.
Therefore, the solution is saturated.
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During Taylor's second test of a car with a mass of 200 grams, she recorded 11 seconds, 11.4 seconds, and 11.2 seconds for her 3 trials. What would be the mean value she would use to compare with the other cars?
11 seconds
33.6 seconds
11.2 seconds
11.53 seconds
Answer:
the answer is 11.2 seconds. I listened to the other person and picked 33.6 but that was wrong.
Explanation:
took test
The video uses visual representations to show the generation and travel of radio waves. What did you learn about radio waves from these representations?
Answer: I learned that almost every technology has radio waves that spread out from their sources.
Explanation:
Please help with this question
Which of these describes an ethical dilemma that drug designers could face?
a. whether people should take medicine or if instead they should
seek alternative treatments.
b. a drug lowers blood pressure but can cause severe coughing
spells.
c. a new drug is effective in preventing cancer cells from
reproducing
o d. a drug for blood pressure is absorbed in the colon. it is effective,
but occasionally it can erode the colon walls.
The statement 'whether people should take medicine or if they should seek alternative treatments' describes an ethical dilemma that drug designers face.
What is drug development?Drug development refers to all the processes from target drug identification to drug validation and commercialization.
Drug development involves different stages of development including preclinical and clinical trials.
Ethical dilemmas in drug development include the release of a drug that is ineffective when compared to parallel treatments.
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Answer:
A drug for blood pressure is absorbed in the colon. It is effective, but occasionally it can erode the colon walls.
Explanation:
i just took the test and got it right.... i hope this helps :)
What chemical property determines the strength of an acid?.
Devise a three‑step synthesis of the product from 1‑methylcyclohexene
The three step synthesis of the product from 1-methyl cyclohexane includes the addition of;
C6H5CO3H in CH2Cl2C6H5Li in etherPCC in CH2Cl2.Three step synthesis from 1 methyl cyclohexeneThe three steps reaction involves the use of Reagannts such as;
Reagent 1: C6H5CO3H in CH2Cl2.Reagent 2: C6H5Li in ether.Reagent 3: PCC in CH2Cl2.Each step in the synthesis is arranged in the order:
Step 1: Epoxide formationStep 2: Nucleophilic additionStep 3: Oxidation of OH group.Read more on three step synthesis;
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Three step synthesis of the product from 1‑methylcyclohexene includes epoxide formation, nucleophilic attack and oxidation of -OH group.
What is synthesis reaction?Synthesis reactions are those reactions in which formation of new product takes place by the rearrangement or combination of reactant molecules.
Given question is incomplete so the complete pic of the question is attached below. In the given reaction reagents 1, 2 and 3 are used is C₆H₅CO₃H in CH₂Cl₂, C₆H₅Li in ether and PCC in CH₂Cl₂ respectively.
In the tree step synthesis process, in the first step formation of epoxide takes place, in the second step attack of nucleophile on epoxide takes place and finally in the third step oxidation of hydroxyl group to ketone group takes plce.
Hence 3 step synthesis includes epoxide formation, nucleophilic attack and oxidation of -OH group.
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which elements are not likely to bond with other elements? and why
Answer:
Helium, Neon, Argon, Krypton, Xenon, Radon, and Oganesson
Explanation:
they have full outer shells
What is ∆H for the reaction of sulfur dioxide with oxygen?
2SO2(g) + O2(g) → 2SO3(g)
(∆Hf0 SO2(g) = –296.8 kJ/mol; ∆Hf0 SO3(g) = –395.7 kJ/mol)
A.)–98.9 kJ
B.)–197.8 kJ
C.)1.385 × 103 kJ
D.)197.8 kJ
Answer:
B.) –197.8 kJ
Balanced equation : 2SO₂(g) + O₂(g) → 2SO₃(g)
Given:
SO₂(g) = –296.8 kJ/molSO₃(g) = –395.7 kJ/mol================================================================
products : 2 ( –296.8 ) + O₂ = -593.6 kJ/mol + O₂reactant : 2 ( –395.7 ) = -791.4 kJ/molproducts energy = reactant energy
-593.6 + O₂ = -791.4
O₂ = -791.4 - ( -593.6)
O₂ = –197.8 kJ
The equation for the burning of hydrogen is:
2H2(g) + O2(g) → 2H2O(g)
One mole of hydrogen gas is mixed with one mole of oxygen gas and burnt. What will
be present after the reaction?
A chemist creates a reaction between nitrogen and oxygen to form nitrogen monoxide. This reaction is shown by the equation N2(g) + O2(g) ⟶ 2NO(g). The time interval of this reaction is t1 = 12 seconds to t2 = 22 seconds. During this reaction, the O2 concentration changes from 0.237 mol/L to 0.207 mol/L.
What is the average reaction rate for O2 in this reaction?
Answer: here's the answer to your question
1.3 ×10¹ is the average reaction rate for O[tex]_2[/tex] in this reaction N2(g) + O2(g) ⟶ 2NO(g).
What is rate of reaction?
The pace during which a chemical response takes place is known as the reaction rate and rate of reaction. It is proportional to the rise in product concentration per unit time and the fall in reactant concentration per unit time. Response times can differ wildly.
For instance, cellulose burns in a fire in a matter of seconds as opposed to the sluggish, years-long oxidative corrosion of iron that occurs under Earth's atmosphere. For the majority of reactions, the rate gets slower as it goes along. By tracking the concentration changes over time, one can calculate the pace of a reaction.
concentration of N[tex]_2[/tex] =0.34/0.75=0.45M
concentration of O[tex]_2[/tex] =0.34/0.75=0.45M
concentration of NO=1.2/0.75=1.6
Kc = [NO]²/ [ N[tex]_2[/tex] ] × [ O[tex]_2[/tex] ]
= [0.45]²/ [ 0.45 ] × [ 1.6 ]
= 1.3 ×10¹
Therefore, 1.3 ×10¹ is the reaction rate.
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Justify why sound cannot travel through space.
Answer:
Sound does not travel at all in space. The vacuum of outer space has essentially zero air. Because sound is just vibrating air, space has no air to vibrate and therefore no sound.
rate brainliest!
A chemist is studying a chemical compound that
has equal numbers of carbon atoms and hydrogen atoms. She calculates that the
carbon atoms have a mass of 24 grams. What is the mass of the hydrogen atoms?
Explain your reasoning.
The mass of hydrogen atoms in the compound would be 2 grams.
Stoichiometric calculationThe carbon atoms in the compound have a mass of 24 grams.
One carbon atom has a mass of 12 grams. Thus, there are two (12 x 2 = 24) carbon atoms in the compound.
This means that there are also two hydrogen atoms in the compound. One hydrogen atom weighs 1 gram. Hence, the mass of the hydrogen atoms in the compound will be 2 grams.
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Consider the chemical equation. 2h2 o2 right arrow. 2h2o what is the percent yield of h2o if 87.0 g of h2o is produced by combining 95.0 g of o2 and 11.0 g of h2? use percent yield equals startfraction actual yield over theoretical yield endfraction times 100.. 56.5% 59.0% 88.5% 99.7%
The percent yield of H₂O, if 87.0 g of H₂O is produced by combining 95.0 g of O₂ and 11.0 g of H₂ is 87.87%.
How do we calculate mass from moles?Mass of any substance will be calculated by using their moles as:
n = W/M, where
W = given or required mass
M = molar mass
Moles of 95g of Oxygen (O₂) = 95g / 32g/mol = 2.96 moles
Moles of 11g of hydrogen (H₂) = 11g / 2g/mol = 5.5 moles
Given chemical reaction is:
2H₂ + O₂ → 2H₂O
From the stoichiometry of the reaction, it is clear that:
1 moles of O₂ = reacts with 2 moles of H₂
2.96 moles of O₂ = reacts with 2×2.96=5.92 moles of H₂
Here hydrogen is the limiting reagent as it has lower moles and formation of water depends on this only.
2 moles of H₂ = produces 2 moles of water
5.5 moles of H₂ = produces 5.5 moles of water
Mass of 5.5 moles of water will be calculated as:
W = (5.5mol)(18g/mol) = 99g
Given theoretical yield of water = 87g
% yield of water will be calculated as:
% yield = (87 / 99)×100 = 87.87%
Hence required value is 87.87%.
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Answer:
D
Explanation:
Which of the following are duplicated during cell division in a human cell?.
All cell constituents are duplicated during cell division in a human cell i.e. mitosis and meiosis type of cell division.
What are duplicated during cell division in a human cell?During mitosis, a cell duplicates all of its internal parts and formed two identical daughter cells. During duplication, all parts have two sets which is equally distributed into two daughter cells in mitosis type of cell division.
While on the other hand, during meiosis, a cell divides into four daughter cells having haploid chromosomes i.e. half number of chromosomes.
So we can conclude that cell constituents are are duplicated during cell division in a human cell.
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How many moles of oxygen are in 8.25 g of oxygen
Answer:
0.258 moles of Oxygen.
Explanation:
Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Have a wonderful day!
Two posssible lewis structures for the molecule ch2s are given. determine the formal charge on each atom in both structures
The formal charge on each atom can be known by counting up the number of valence electrons that is present on each atom.
What is Lewis structure?The term Lewis structure is the representation of a compound using its symbols and showing the valence electrons as dots. This question is incomplete as the Lewis structures were not shown.
If it is shown, we can know the formal charge on each atom by counting up the number of valence electrons that is present on each atom.
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Find grocery items in your home look and see the product label at the back of each item identify the elements or compounds on each item use the table below for this activity grocery time 123456789 10 elements compounds
The chemical elements and compounds that are present in a grocery item such as mayonnaise include:
OilEmulsifier Vinegar SpicesSugarWhat is a product label?A product label can be defined as a paper document which contains information about the nutrients, chemical elements, and other compounds that are present in a product such as a battery, food or an edible material.
This ultimately implies that, a product label is a paper document which is used by manufactures to specify the nutrients, chemical elements, and other compounds that were used to make a particular product.
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The percentage of keys you type correctly is A. accuracy B. correctness C. exactness D. precision WHO EVER GETS THIS EARNS BRAINLIST!
Make a prediction about what will happen in this chemical reaction.
1. Add about 5 mL of Copper (II) sulfate solution into a small beaker.
2. Add a small bundle of steel wool (iron).
3. Leave to sit while you complete the rest of your reactions, but be sure to keep an
eye on this one throughout the lab.
Since iron is more reactive than copper, when steel wopl is placed in a solution of copper (II) sulfate solution into a small beaker, it dissolves and copper metal is produced.
What is a displacement reaction?A displacement reaction is one in which a more reactive element displaces another from its compound.
Reactive metals displace less reactive metals from their solutions.
Iron is a more reactive metal than copper and will displace copper from a solution of its salt.
Therefore, when steel wool is placed in a solution of copper (II) sulfate solution into a small beaker, the iron dissolves and copper metal is produced.
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