334.22 grams of sodium chlorate and 91.56 grams of magnesium hydroxide would be produced respectively.
Stoichiometric calculationFrom the equation of the reaction:
[tex]Mg(ClO_3)_2 + 2NaOH --- > 2NaClO_3 + Mg(OH)_2[/tex]
The mole ratio of magnesium chlorate to sodium hydroxide is 1:2.
With 2.72 moles of magnesium chlorate and 3.14 moles of sodium hydroxide provided respectively, the sodium hydroxide is limiting in availability.
Mole ratio of NaOH and [tex]NaClO_3[/tex] = 1:1
equivalent mole of [tex]NaClO_3[/tex] = 3.14 moles
Mass of 3.14 moles [tex]NaClO_3[/tex] = 3.14 x 106.44 = 334.22 grams
Mole ratio of NaOH and [tex]Mg(OH)_2[/tex] = 2:1
Equivalent mole of [tex]Mg(OH)_2[/tex] = 3.14/2 = 1.57 moles
Mass of 1.57 moles [tex]Mg(OH)_2[/tex] = 1.57 x 58.32 = 91.56 grams
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Check Your Learning
What mass of CO is required to react with 25.13 g of Fe2O3
according to the equation Fe₂O3 + 3 CO2 Fe + 3CO₂?
Answer:
convert the 25.13 g of Fe2O3 into moles by dividing by its molar mass (159.69) to get that. When looking at the stoichiometric coefficients, we can see that for every 1 mole of Fe2O3, there needs to be 3 moles of CO.
Explanation:
Concentrated HCl is 15 M (15 molar). A 500 mL quantity of this solution is diluted by adding water to give a final volume of 2.5 L. What is the molarity of the resulting solution
The molarity of the resulting solution obtained by diluting the stock solution is 3 M
Data obtained from the question Molarity of stock solution (M₁) = 15 MVolume of stock solution (V₁) = 500 mL Volume of diluted solution (V₂) = 2.5 L = 2.5 × 1000 = 2500 mL Molarity of diluted solution (M₂) =? How to determine the molarity of diluted solutionM₁V₁ = M₂V₂
15 × 500 = M₂ × 2500
7500 = M₂ × 2500
Divide both side by 2500
M₂ = 7500 / 2500
M₂ = 3 M
Thus, the volume of the resulting solution is 3 M
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What is the volume of the sphere? 8 cm
Decomposition occurs when...
Answer:
Decomposition begins at the moment of death, caused by two factors: 1.) autolysis, the breaking down of tissues by the body's own internal chemicals and enzymes, and 2.) putrefaction, the breakdown of tissues by bacteria.
Explanation:
hope it will help you
The chemical colchicine is used in the production of karyotypes. Colchicine prevents spindle fibers from forming during the cell cycle. What is a result of preventing spindle fibers from forming?
The result of preventing spindle fibers from forming is mitotic division stops in metaphase and cannot proceed to anaphase.
What is colchicine?Colchicine is a drug use to remove swelling and decrease the amount of uric acid production.
It prevents the formation of spindle fibers during the cell cycle.
Thus, the correct option is C.
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Which fundamental force allows you to use a compass?
O A. Strong nuclear
OB. Gravitational
C. Weak nuclear
OD. Electromagnetic
Which change to a DNA molecule would have the least effect on an organism? an addition to a base sequence at the beginning of a gene a deletion from a base sequence in the middle of a gene a substitution in a base sequence that does not code for a protein a substitution that creates a “stop” code in the middle of a gene
Answer:
Change in a single nitrogen base in the DNA sequence will not have any significant effect on the organism.So A: an addition to a base sequence at the beginning of a gene
Explanation:
This is known as point mutation and it does not have any significant change in the protein and it is least harmful type of DNA mutation.
How many moles of carbon dioxide are there in 52.06 g of carbon dixoide
Answer:
Moles of substance are defined ratio of the given mass of the substance to the molar mass of the substance.
Given :
The 52.06 grams of carbon dioxide.
To find :
The moles of carbon dioxide.
Solution:
The mass of carbon dioxide = 52.06 g
The molar mass of carbon dioxide = 44.01 g/mol
The moles of carbon dioxide:
1.183 moles of carbon dioxide are there in 52.06 g of carbon dioxide.
Explanation:
One atomic mass unit ( 1 amu)
is equal to the mass of a carbon-12 atom multiplied by the quantity
Answer: 1/12
Explanation:
A carbon-12 atom has a mass of 12 amu, so multiplying this by 1/12, we get 1 amu.
4.
A dead alkaline battery is found to contain a compound of manganese and oxygen. Its percentage composition
is 70.0% Mn and 30.0% O. What is the empirical formula of this substance?
The dead battery with a percentage composition of 70.0% Mn and 30.0% O has the empirical formula Mn₂O₃.
What is an empirical formula?An empirical formula is the minimal relationship between the atoms in a chemical formula.
A dead alkaline battery is 70.0 % Mn and 30.0 % O. To find the empirical formula, we will divide each percentage by the molar mass of the element.
Mn: 70.0/54.94 = 1.27O: 30.0/16.00 = 1.88Then, we divide both numbers by the smallest one.
Mn: 1.27/1.27 = 1O: 1.88/1.27 ≈ 1.5Finally, we multiply both numbers by 2 so that they are whole numbers.
Mn: 1 × 2 = 2O: 1.5 × 2 = 3The empirical formula of the compound is Mn₂O₃.
The dead battery with a percentage composition of 70.0% Mn and 30.0% O has the empirical formula Mn₂O₃.
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Each substance to the right of the arrow in a chemical equation is a.
right 9 in a equation
Answer:
x+y = 12
Explanation:
shfb gfgjj ghjj dvgg ggggg ghggs ufac t g dgyyh
Circulacion de electrones en un material conductor en determinado tiempo.
Answer:
falso
Explanation:
tiempo no determinado El circulation de elctrones
Question 2 of 35
Which two phrases describe ice storms?
A
A. Temperatures way below freezing
B. A large amount of snow falling
C. Temperatures near freezing
D. A large amount of ice forming
Please help!
An ice storm is a temperature below freezing resulting from large amount of snow falling, i.e., options A and B.
What is ice storm?Freezing rain causes ice storms. Raindrops travel into a tiny layer of below-freezing air near the earth's surface, where they freeze on contact with the ground, trees, automobiles, and other things.
Ice forms when cold rain freezes in contact with surfaces below the freezing point.
Thus, the correct options A and B.
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23 Which device requires electrical energy to
produce a chemical change?
(3) voltaic cell
(1) electrolytic cell
(2) salt bridge
(4) voltmeter
Answer:
electrolytic cell
Explanation:
Electrolytic cell used electrical energy to do electrolysis.
Then by using oxidation and reduction ions produced it does produce chemical changes
Option A
3. Humans discovered how to use fire and tools. How was this knowledge passed along to younger generations?
Communication skills were developed so knowledge could be passed along to younger generations.
Primitive knowledge was instinctive so that the basic skills of fire and tools came naturally to everyone.
Younger people were forced to spend long hours building fires and making tools.
O The younger generations were able to figure out how to use tools on their own.
Communication skills were developed so knowledge could be passed along to younger generations.
How knowledge will pass through generations?Knowledge will pass from one generation to another with the help of education. The skill people give education to their youngers about fire and tools. In this way, skills of fire and tools pass from one generation to another.
So we can conclude that communication skills were developed so knowledge could be passed along to younger generations.
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Answer:
A
Explanation:
Which reaction takes place in a nuclear fission reactor?
OCH N
→
239
O Pu+ He 242 Cm
94
96
O 27 Co+He→Co+n
139
O 235 U+n Kr+¹Ba+3/n
56
92
The reaction that takes place in a nuclear fission reactor is as follows: 235/92 U + 1/0n 94/36Kr + 139/56 Ba + 3/0n.
What is a nuclear fission reactor?A nuclear fission reactor is the place where nuclear chain reactions occur that produce energy by fission.
Nuclear fission is the nuclear reaction in which a large nucleus splits into smaller ones with the simultaneous release of energy.
Therefore, the option that involves the splitting of atoms into smaller ones is as follows: 235/92 U + 1/0n 94/36Kr + 139/56 Ba + 3/0n.
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PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
ITS B
Explanation:
MY CONSCIOUS MIND IS TELLING ME
Assume that your electrical power company gets its energy from a hydroelectric dam. Outline all of the energy changes that occurred from the falling water that turned the generators at the dam to the hot air that was produced from your hair dryer this morning.
Kinetic energy in different forms occurred from the falling water that turned the generators at the dam to the hot air that was produced from your hair dryer this morning.
What is Kinetic energy ?Kinetic energy is a form of energy that an object or a particle has by reason of its motion. If work, which transfers energy, is done on an object by applying a net force, the object speeds up and thereby gains kinetic energy.
Kinetic energy (water) to electric energy (dam) as the hydroelectric dam works.
Then, as the current travels from the plant to your crib, electric energy to heat energy (wire resistance).
Then, when you are using the dryer electric energy to heat energy (hot air) and sound energy (air particles vibrate due to the heat energy).
Therefore, Kinetic energy in different forms occurred from the falling water that turned the generators at the dam to the hot air that was produced from your hair dryer this morning.
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HELP NEED DONE ASAPP BEFORE 11:59PM!!!!
Predict the total pressure in Container C if the initial pressure in Container A was tripled and. Container B was reduced by one-third then mixed in Container C.
Container A Oxygen 287 kPa
Container B Nitrogen 429 kPa
Container C Oxygen + Nitrogen
Pressure
=
P total
Answer:
I think B sorry if wrong
Explanation:
have a good day
Assume a parent isotope has a half-life of 100 million years. How old is a sample that
contains 15% of its original parent isotope?
250 million years
270 million years
200 million years
100 million year
Answer:
270 million
Explanation:
1/2 ^n = .15 (.15 is 15% in decimal)
log both sides
n log (1/2) = log (.15 )
n = 2.737 half lives
EACH half life is 100 million
2.737 * 100 million = 273.7 million
Classify each of the following as a homogeneous and heterogeneous mixture
Soda water, wood, air, soil, vinegar, filtered tea
Soda water, wood, air, soil, vinegar, filtered tea.
Answer:
Homogeneous mixtures : Soda water, vinegar and filtered tea. Heterogeneous mixtures : Wood and soil.
The pressure of x ml of a gas was increased from 2 atm to 4 atm at constant temperture. what will be the new volume?
The new volume of the gas given the data from the question is 1/2X mL
Data obtained from the question
Initial volume (V₁) = X mL
Initial pressure (P₁) = 2 atm
New pressure (P₂) = 4 atm
New Volume (V₂) = ?
How to determine the new volume
The new volume of the gas can be obtained by using the Boyles’ law equation as illustrated below:
P₁V₁ = P₂V₂
2 × X = 4 × V₂
2X = 4V₂
Divide both side by 4
V₂= 2X / 4
V₂ = 1/2X mL
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An example of polytamic anoin would be a. Ca+2 b. NH4+ c. F d. PO4-3
[tex]PO_4^{-3}[/tex] and [tex]NH^{4+}[/tex] are polyatomic anions composed of two or more atoms.
What is a polyatomic anion?A polyatomic ion is an ion composed of two or more atoms. Examples: The hydroxide cation ([tex]OH^-[/tex]) and the phosphate cation ([tex]PO_4^{3-}[/tex]) are both polyatomic ions.
[tex]PO_4^{-3}[/tex] and [tex]NH^{4+}[/tex] are the polyatomic anions because both contain more than 1 atom.
Hence,[tex]PO_4{-3}[/tex] and [tex]NH^{4+}[/tex] are polyatomic anions composed of two or more atoms.
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How many grams of SO2 would you need to dissolve in 100g of 40 degree water to make a saturated solution?
If you heated the solution to 90 degrees would the new solution be unsaturated, or supersaturated?
The grams of SO₂ that would be dissolved in 100 g of 40 degree water to make a saturated solution can be calculated by making solubility curve.
What is mass?Mass is the quantity of matter of a physical body.
If you want to calculate the mass of Sulfur dioxide in 100 g of 40 degree, you have to make a solution curve.
With the increase in temperature, the solubility increases as well
Thus, the grams of SO₂ that would be dissolved in 100 g of 40 degree water to make a saturated solution can be calculated by making a solubility curve.
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Which structure is the Lewis structure for ammonia (NH3)?
Answer:
C
Explanation:
Because NH3 has 8 valence electrons, and Hydrogen can only have 1 bond
Cyclohexenone is a useful starting material for drug synthesis. For each reaction, predict the major addition product for the reaction between an α,β‑unsaturated ketone and carbon nucleophile
Cyclohexenone is a useful starting material for drug synthesis. For each reaction. The major additional product for the reactions are respectively given as;
A soft electrophile A hard electrophileThis is further explained below.
What is an electrophile?Generally, An electrophile is simply defined as a species of a chemical compound that may receive an electron pair from a carbonyl group in order to establish chemical bonds.
In conclusion, It is common practice to add 1,4 significance to the alkene of asymmetric nucleophiles when using organocuprate reagents in the process at the top.
Grignard reagents often add 1,2 to the carbonyl of asymmetric carbonyl compounds in the bottom reaction
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Cyclohexenone is a useful starting material for drug synthesis. For each reaction. The major additional product for the reactions are respectively given as;
A soft electrophile
A hard electrophile
What is an electrophile?Generally, An electrophile is simply defined as a species of a chemical compound that may receive an electron pair from a carbonyl group in order to establish chemical bonds.
In conclusion, It is common practice to add 1,4 significance to the alkene of asymmetric nucleophiles when using organocuprate reagents in the process at the top.
Grignard reagents often add 1,2 to the carbonyl of asymmetric carbonyl compounds in the bottom reaction
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Which describe beta decay? check all that apply. in beta decay, a proton becomes a neutron and a positron. in beta decay, a neutron becomes a proton and an electron. in beta decay, a neutron becomes a proton and a gamma ray. beta decay releases energy. beta decay releases a helium-4 nucleus.
The statements which best describe beta decay are: option 1, 2 and 4.
What is a beta particle?A beta particle can be defined as an isotope which typically undergoes radioactive decay through the emission of a radiation with a -1 charge.
Based on scientific information and records from radioactivity, we can infer that the statements which best describe beta decay are:
During beta decay, an atom of proton becomes a neutron and a positron. During beta decay, an atom of neutron becomes a proton and an electron.Beta decay releases energy.Read more on beta decay here: https://brainly.com/question/12448836
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Answer:
1,2,4
Explanation:
A solid chloride E which sublimes on heating reacted with an alkali F to give a choking gas G.G turns red litmus paper blue . identify E, F and G
Answer:
E:ammonium chloride
F:sodium hydroxide
G:ammonia
how many valence electrons does sr2+ have
Answer:
8 valence electrons
Explanation: