Taking into account the definition of oxidation number, the oxidation numbers for bromine in the molecule H₂Br₂O₆ is +5.
Definition of oxidation numberThe oxidation number is the charge that an atom has; is an integer that represents the number of electrons an atom puts into play when it forms a given compound.
In other words, the oxidation number of an element is a value that indicates the number of electrons that element gains or loses when it combines with another.
Oxidation number determinationTo determine the oxidation state of different elements it is necessary to know that:
The oxidation number of hydrogen in a compound is +1, except in metal hydrides, where is –1.The oxidation number of oxygen in a compound is –2, except in peroxides, where it is –1.On the other side, the sum of the oxidation numbers of the existing elements in a chemical formula must add up to zero.
Then, considering the oxidation numbers of each element, multiplying it by the number of existing elements in the chemical formula and adding it and equaling it to zero, the value of the missing oxidation number can be obtained.
Oxidation number for bromineIn this case, the oxidation numbers of bromine is calculated as:
H₂Br₂O₆: 2× (+1) + 2× (oxidation numbers of nitrogen) + 6×(-2)= 0
2 + 2× (oxidation numbers of nitrogen) - 12= 0
2× (oxidation numbers of nitrogen) - 10= 0
2× (oxidation numbers of nitrogen) =10
oxidation numbers of nitrogen= 10÷2
oxidation numbers of nitrogen= +5
Finally, the oxidation numbers for bromine in the molecule H₂Br₂O₆ is +5.
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Choose the word or phrase that best completes each sentence about the columbian exchange. In the columbian exchange, potatoes, tomatoes, beans, corn, and turkeys went from. In the columbian exchange, carrots, onions, bananas, and horses went from. Was a medicine from the americas that was brought to europe and africa to treat malaria
Answer:
In the Columbian Exchange, potatoes, tomatoes, beans, corn, and turkeys went from the Americas to Europe.
In the Columbian Exchange, carrots, onions, bananas, and horses went from Europe to the Americas. Quinine was a medicine from the Americas that was brought to Europe and Africa to treat malaria.
Answer:
1. the Americas to Europe
2. Europe to the Americas
3. Quinine
Explanation: i did the assignment
The purpose of a(n) is to allow the writer to express a viewpoint that opposes a stated opinion on a topic
Answer:
counterclaim
Explanation:
The purpose of a counterclaim is to allow the writer or an author to express a viewpoint that opposes a stated opinion on a topic.
What is a counterclaim?In English language, a counterclaim can bed defined as a statement which is written by a writer or an author to express his or her viewpoint in opposition to a stated opinion on a topic.
In conclusion, we can infer and logically deduce that the purpose of a counterclaim is to allow the writer or an author to express a viewpoint that opposes a stated opinion on a topic.
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Read the underlined portion of the passage again. Endurance means "to bear, or put up with" what is the main idea of this text? people are willing to suffer for a cause they believe in king is calling on everyone to help those in need african americans have a right to be tired of waiting for change
The main idea of this text is that African Americans have a right to be tired of waiting for change.
What is endurance?Endurance is known as a term that connote the act or method of working really hard without resting.
Here, the term also means when a person works very hard even in the midst of obstacles, difficulty or pain. An example of endurance is when African Americans advocate for a right to change.
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Answer:
Its C
Explanation:
You and your friend are making 30 liters of sodium water
An experiment was conducted to determine whether the price of a golf club affected the distance a golfer could hit a golf ball. A sample of 60 golfers were randomly assigned to one of two groups, c or e. The 30 golfers in group c were given a club and told the price of the club was cheap; the 30 golfers in group e were given the same club and told the price of the club was expensive. In reality, there was no difference in price. The golfers used their assigned clubs to hit a golf ball as far as they could. The distance, in yards, that each golfer hit the golf ball was recorded, and the mean distance calculated for each group. A two-sample t-test for a difference in means will be conducted
The true statements about the data from the t-test will be:
The data was collected using random assignment, the golfers were assigned randomly to the two groups.The data was also collected using random selection.The distribution of the difference in the sample means will be normally distributed as well according to the central limit theorem.What is a t-test?
A t-test simply means a type of inferential statistic that is used to determine if there is a significant difference between the means of two groups,
From the complete question, the data was collected using random assignment, the golfers were assigned randomly to the two groups, it was also collected using random selection and the distribution of the difference in the sample means will be normally distributed.
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How might mike smith have benefited from chemotherapy that was developed using precision medicine?
Mike Smith was able to benefit from chemotherapy that was developed by using precision medicine because the chemotherapy was tailored to Mike's needs.
What is a chemotherapy?In medicine, the term means a special drug treatment that entails the admission of powerful chemicals which helps to kill fast-growing cells in the body.
The precision medicine of chemotherapy is very effective because it is a targeted therapy that works by either stopping or slowing the growth or spread of cancer.
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Given f (x) = 1 (4 − x)2, what is the value of f (16)?
Answer:
f(16)=1*(4-16)*2
=1*(-12))*2
=-24
Andrea is designing the seating arrangement for a concert in her local park. To give everyone a good view, each row must have 4 more seats than the row before it, and the 1st row can only have 10 seats. Explain to andrea how to create an equation to predict the number of seats in any row. Then, using your equation, show your work to determine the number of seats in row 20
The number of seats in row 20 is; 86 seats
What is the Arithmetic Sequence?We are going to use the arithmetic sequence formula since we require the previous term in a sequence.
The arithmetic sequence formula is;
aₙ = a + (n − 1)d,
where;
a is the first term of the sequence
n is the position of the term in the sequence
d is the common difference
aₙ is the nth term of the sequence.
Our sequence is 10, 14, 18, 22 up to row 20.
Using the sequence formula;
a_20 = 10 + (20 − 1)4.
a_20 = 10 + (19* 4)
a_20 = 10 + 76
a_20 = 86.
Thus, the number of seats in row 20 was 86 seats.
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How many ways can you choose 3 leaders from a class with 15 students?
Consider the polynomial 6x2 – 8x + 2. what is the gcf of the polynomial? what is the equivalent factored form of the polynomial?
Answer:
2 is the GCF
2(x-1)(3x-1) is the equivalent factored form
Answer:
B and C
Consider the polynomial 6x2 – 8x + 2.
What is the GCF of the polynomial?
✔ 2
What is the equivalent factored form of the polynomial?
✔ 2(3x – 1)(x – 1)
Explanation:
Describe how vacation stress may negatively affect your family life
Which type of plant would most likely be the most nutritionally valuable to a human?
Big ideas math: course 2 accelerated (california edition) solutions
A conditional statement, symbolized by p → q, can be written as an “if-then
statement” in which p is the hypothesis and q is the conclusion. Here is an example.
hypothesis, conclusion,
If a polygon is a triangle, then the sum of its angle measures is 180 .
p q
°
Which of the following is one way that the automobile industry affected the growth of cities? a people came to urban centers where auto manufacturing plants and related industries were located. B many people began to leave urban areas where automobile manufacturing was centered because of the noise and pollution. C automobile plants located in the major cities led to gentrification and increased housing prices. D some urban centers grew dramatically as new car dealerships began appearing in the downtown areas
One of the ways that the automobile industry affected the growth of cities is: A. people came to urban centers where auto manufacturing plants and related industries were located.
What is a settlement?A settlement can be defined as any geographical region (area) where a community is started or established, in order to accommodate a group of people such as a family.
The types of settlement.In Sociology, there are two (2) main types of settlement and these include the following:
Rural settlementUrban settlementAn urban settlement describe towns and cities and it is mostly characterized by industrialization such as the establishment of an automobile industry. Consequently, this would influence the migration of people to this type of settlement because it would provide more jobs.
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Balance this nuclear reaction by supplying the missing nucleus. Replace each question mark with an appropriate integer or symbol
A nuclear reaction is the change in the identity of an atomic nucleus.
What is nuclear reaction?Your information is incomplete. Therefore, an overview of nuclear reaction will be given. It should be noted that a nuclear reaction simply means the process whereby two nuclei collide to produce one or more nuclides.
In this case, nuclear reaction is the change in the identity if an atomic nucleus that's induced by bombarding it with a particle that's energetic.
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On a draft paper jot down all your ideas about the word happiness
Answer:
While many people are pursuing happiness, few really comprehend what it entails. Happiness is partly genetic, which goes some way to explaining why some people are born to be happy, much to our surprise. However, if you don't have a cheerful gene, you don't have to be depressed. Happiness is essentially a frame of mind characterized by a sense of fulfillment and contentment. As a result, people can feel pleased even when things are challenging or unpleasant.
Using the formula for kinetic energy of a moving particle k=12mv2, find the kinetic energy ka of particle a
Explanation:
Question not complete
Formula for kinetic energy = K.E=½mv²
Which two systems interact to maintain homeostasis
The circulatory system and nervous system
Why is it important to ensure child rights in the country brainly
Explanation:
The healthy development of children is crucial to the future well-being of any society. Because they are still developing, children are especially vulnerable – more so than adults – to poor living conditions such as poverty, inadequate health care, nutrition, safe water, housing and environmental pollution.
If 12 waves pass a point in 4 seconds, the frequency of vibration is
Answer:
Frequency = 3 Hz
Explanation:
What is the effect of repeating the word great in this excerpt? it suggests that feeding troops is a hopeless cause. It illustrates how many nations are actually fighting in the war. It stresses a positive idea and invigorates the audience. It shows what a huge burden has been placed on farmers
In this speech that was made by the American president, the effect of repeating the word great shows that
It stresses a positive idea and invigorates the audience.Summary of the speech by RooseveltThe summary of this speech was how the farmers of the US have helped in feeding a lot of people during the war in the country and around the world.
He used the word great to show his respect for the farmers and the good things that they do.
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Answer:
It stresses a positive idea and invigorates the audience.
Explanation:
correct on edge
A few years after a major oil spill, which area is most fragile in terms of its biodiversity? benthic areas the polar waters the middle water tropical areas
A few years after a major oil spill, the area which is most fragile in terms of its biodiversity is the middle water.
What is an oil spill?An oil spill can be defined as a process through which liquid petroleum or oil (hydrocarbon) is released into the physical environment, especially the sea or other body of water.
Generally, the middle water is the part of a marine ecosystem that is most susceptible to a major oil spill because it is most fragile in terms of its biodiversity.
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3 known families who owned the big corporations in the philippines
Answer:
zubel family . lucio tan . abiotiz clan
Sam deposited $4400 in a savings account earning 6% compounded monthly. if she makes no other deposits or withdrawals, how much will she have in her account in two years?
For f− , enter an equation that shows how the anion acts as a base
Answer:
F- (aq)+ H2O (l) = HF (aq)+ OH- (aq)
Explanation:
F- (aq)+ H2O (l) = HF (aq)+ OH- (aq)
base + acid = conjugate acid + conjugate base
If you are working on Mastering Chemistry, be sure to include the phases!
Fluoride ion (F⁻) can act as a base by accepting a proton (H⁺) to form hydrogen fluoride (HF).
What is chemical reaction?Breaking chemical bonds between reactant molecules (particles) and creating new bonds between atoms in product particles are two aspects of chemical reactions (molecules).
While there are the same number of atoms both before and after the chemical transition, there will be a change in the number of molecules.
The chemical equation for this reaction can be written as:
F⁻(aq) + H⁺(aq) → HF(aq)
In this equation, "aq" represents the aqueous phase, indicating that the species are dissolved in water.
The fluoride ion acts as a base by accepting a proton (H⁺) from the acid (which acts as an acid) and forming the weak acid, hydrogen fluoride (HF).
Thus, this is the equation that shows the way in which the anion acts as a base.
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Find the probability that a randomly selected chocolate bar will have less than 200 calories brainly
Answer:
the dog
Explanation:
is flying overtake the airplane
The electrolysis of molten alcl3 for 4. 25 hr with an electrical current of 25. 0 a produces ________ g of aluminum metal
The electrolysis of molten AlCl3 for 4.25 hr having the current of 25Ampere will produces 35.67g of aluminum metal.
What is Electrolysis?Electrolysis can be described as the process where by electric current is passed through a substance to effect a chemical change.
The mass of the deposited metal can be calculated as
=[tex]W = CEt/96500[/tex]
Given;
t = time taken = 4.25hr
we can convert the time given from ( hrs) to secs as follows;
60secs=1 mins
60*60 secs = 1 hr
Then 25hrs= 4.25*60*60 = 15300s
C = Current = 25.0 A
E = Equivalent mass of Aluminum =9
Atomic-mass/valency = 27/3 = 9
If we substitute the values we have;
[tex]W = ( 27*9*15300)/96500[/tex]
= 35.67g
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The height of an acorn falling out of a tree is h=-16t^2+25
The value of h or height of the acorn falling out of the tree is 9.
This question is incomplete, the complete question is:
The height of an acorn falling out of a tree is [tex]h=-16t^2+25[/tex]. If an acorn takes 1 second to fall to the ground. What is the value of h.
Given the data in the question;
Height of the acorn falling out of a tree; [tex]h=-16t^2+25[/tex]Time taken for the acorn to fall to the ground; [tex]t = 1[/tex] EquationAn equation is simply a mathematical formula that expresses the equality of two expressions, using the equals sign.
To determine the value of h, we substitute the value of t into the given equation.
[tex]h = -16t^2 + 25\\ \\h = -16(1)^2 + 25\\\\h = -16 + 25\\\\h = 9[/tex]
Therefore, the value of h or height of the acorn falling out of the tree is 9.
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The original value of the reaction quotient, qc , for the reaction of h2(g) and i2(g) to form hi(g) (before any reactions take place and before equilibrium is established), was 5. 56. On the following graph, plot the points representing the initial concentrations of all three gases. Label each point with the formula of the gas
The reaction quotient can be obtained from the initial concentration while the equilibrium constant can only be obtained from the concentrations at equilibrium.
What is reaction quotient?The term reaction quotient refers to the amount of reactants and products that are present in the system at a particular time. Given a reaction;
H2(g) + I2(g) ⇄ 2HI
Qc = [HI]^2[H2] [I2]
The question is incomplete as the other details are not clear. However, It is important to note that reaction quotient can be obtained from the initial concentration while the equilibrium constant can only be obtained from the concentrations at equilibrium.
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Express Ksp in terms of molar solubility, x , for the salts with the given formulas. ab(s) Ksp= ab2(s) Ksp= ab3(s) Ksp= a3b2(s) Ksp=
The molar solubility product (Ksp) of the salts is as follows:
[tex]\mathbf{Ksp = x^2}[/tex][tex]\mathbf{Ksp = 4x^3}[/tex][tex]\mathbf{Ksp = 27x^4}[/tex][tex]\mathbf{Ksp = 108x^5}[/tex]What is Molar Solubility?The solubility product (Ksp) is the equilibrium constant for the dissolution of a substance. The solubility product (Ksp) of a chemical substance is the fraction of concentrations at equilibrium
Given that:
The molar solubility of the salt = xFor the salt AB(s), we have:
[tex]\mathbf{AB_{(s) } \leftrightharpoons A^+_{(aq)} + B^-_{(aq)} }[/tex]
[tex]\mathbf{[ A^+] = [B^-] = x}[/tex]
[tex]\mathbf{Ksp = [ A^+] [B^-] = x^2}[/tex]
For the salt AB²(s), we have:
[tex]\mathbf{AB^2_{(s) } \leftrightharpoons A^+_{(aq)} + 2B^-_{(aq)} }[/tex]
[tex]\mathbf{Ksp = [ A^+] [2B^-]^2}[/tex]
[tex]\mathbf{Ksp = [ x] [2x]^2} \\ \\ \mathbf{Ksp =4x^3}[/tex]
For the salt AB³(s), we have:
[tex]\mathbf{AB^3_{(s)} \leftrightharpoons A^+(aq) + 3B^-_{(aq)}}[/tex]
[tex]\mathbf{Ksp = [ A^+] [3B^-]^3 } \\ \\ \mathbf{ Ksp = [ x] [3x]^3 } \\ \\ \mathbf{Ksp= 27x^4}[/tex]
For the salt A³B²(s), we have:
[tex]\mathbf{A^3B^2_{(s)} \leftrightharpoons 3A^+(aq) + 2B^-(aq)}[/tex]
[tex]\mathbf{Ksp = [ 3A^+] [2B^-]^3} \\ \\ \mathbf{Ksp = [ 3x]^3 [2x]^2} \\ \\ \mathbf{Ksp = 108x^5}[/tex]
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