Answer:
A. terrified
Explanation:
What is the oxidation number for bromine in the molecule h2br2o6
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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Jayne has been tested to have an iq of 70. This suggests that she has a ____ level of intellectual disability
Answer:
She has a low level of intellectual disability.
Which statements apply to a certificate of deposit (cd)? choose two answers. It is always purchased as a short-term investment. It can be purchased from a banking institution. It is always purchased as a long-term investment. It can be purchased for almost any amount. It is purchased through an individual's employer
The two statements that refer to the certificate of deposits are:
It can be purchased from a banking institution.It can be purchased for almost any amount.What is a certificate of deposit?This is also referred to as time deposit. The deposit is a certificate that is issued to a person that is keeping money in a bank for a particular time period at a given rate of interest.
This certificate is gotten for almost any amount of money from the banks that are issuing them.
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Answer:
B. It can be purchased from a banking institution.
C. It can be purchased for almost any amount.
Explanation:
A marketing student is estimating the average amount of money that students at a large university spent on sporting events last year. He asks a random sample of 50 students at one of the university football games how much they spent on sporting events last year. Using this data be computed a 90% confidence interval, which turns out to be ($217, $677)
Answer: C) No conclusion can be drawn
Explanation:
A pension fund manager is considering three mutual funds. the first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a t-bill money market fund that yields a sure rate of 5.5%. the probability distributions of the risky funds are:
The probability computed about the pension fund manager indicates that the standard deviation of the portfolio is 21.93%
How to calculate probability?From the complete information, the covariance between fund returns will be:
= 34% × 25% × 0.11
= 0.9350%
The weight of the bond fund is given as 0.407281. Therefore, the weight of the stock fund in portfolio will be:
= 1 - 0.407281
= 0.592719
Therefore, the standard deviation will be:
= 23.56% × 0.9309471
= 21.93%
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Which of the following are possible benefits of alley cropping in the rain forest? select the two correct answers
The possible benefits of alley cropping in the rain forest include:
Increase in diversityMaintenance of soil nutrient.What is Alley Cropping?Alley cropping can be defined as a cropping technique that involves the planting of shrubs or trees in organized rows to maintain soil nutrients and increases biodiversity, especially in a rain forest.
Alley cropping also helps to control soil erosion.
Therefore, the possible benefits of alley cropping in the rain forest include:
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Compare the functions f(x) and g(x) and choose the correct statement. F(x)=3x−2
The functions f(x) and g(x) are represented by their equations
The correct statement is that function g(x) is translated 2 units down to function f(x)
How to determine the correct statementThe functions are given as:
f(x) = 3x - 2
g(x) = 3x
Substitute 3x for g(x) in function f(x)
f(x) = g(x) - 2
The above means that:
Function g(x) is translated 2 units down to function f(x)
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By which process do visible light rays pass through a window glass
Which element of an argument acknowledges that the opposing position has some merit? claim appeal concession counterargument
Answer:
C.
Explanation:
The element of an argument that acknowledges that the opposing position has some merit is a concession. The correct option is c.
What is an argument?Giving an argument entails offering a group of premises as justifications for believing the conclusion. It's not always necessary to criticize or insult someone when making an argument. Arguments can also be employed to back up the beliefs of others.
An example of an argument is as follows: You should put in a lot of effort if you want to find a decent career. The four main parts of an argument are the claim, the reason, the support, and the warrant.
Claims may be subject to dispute. Information is employed, but it is arranged in accordance with the five main parts of an argument: the claim, the justification, the supporting evidence, and the counterclaim.
Therefore, the correct option is c, concession.
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T is considered as one of earth’s large ecosystems, with its own kind of climate, soil, plants, and animals
Answer:
The Biosphere
Explanation:
How many carbon atoms do glucose fructose and galactose have
Answer:
each contain 6 carbon atoms
Explanation:
Read "hope" by emily dickinson. Which theme is best supported by the poem? hope is not useful when someone faces challenges. Hope is not an emotion that people understand. Hope is best for people in only small doses. Hope can sustain people through difficult times
The theme that is best supported by the poem is that Hope can sustain people through difficult times.
What is the theme of the poem hope about?The main Themes in “Hope” is the Thing that has to do with the Feathers. Here, Hope is said to be the major theme that is found in all of the poem.
Emily in her view or statement stated that hope is one that resides in the hearts that is often used for good. It is one that tends to liberates us from pain and gives us the strength.
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Answer:
d. hope can sustain people through difficult times
Explanation:
Nucleophilicity is a kinetic property. a higher nucleophilicity indicates that the nucleophile will easily donate its electrons to the electrophile and that the reaction will occur at the faster rate. the reaction rate also depends on the nature of the electrophile and solvent. rank the following reactions from fastest to slowest based on the nucleophilicity of the nucleophile.
The ordering of the reaction based on the based on the nucleophilicity of the nucleophile will be equation 2 > equation 1 > equation 3.
What is a reaction?It should be noted that a chemical reaction simply means the change in chemicals to another form.
In this case, the ordering of the reaction based on the based on the nucleophilicity of the nucleophile will be equation 2 > equation 1 > equation 3.
This is depicted because tertiary amide is greater than secondary amide which is also greater than primary amide.
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A retail outlet is being designed in a strip mall in nebraska. For this outlet, the installed fiberglass insulation to protect against heat loss in the winter and heat gain in the summer will cost an estimated $100,000. The annual savings in energy due to the insulation will be $18,000 at eoy one in the 10-year life of the outlet, and these savings will increase by 12% each year thereafter. If the annual interest rate is 15%, is the cost of the proposed amount of insulation justified?
The cost of insulation is not justified because the current equivalent energy savings is $88,000, which is less than the price of insulation. Installation will set you back $90,000.
What is insulation?Insulation is defined as a material created to stop heat or sound from spreading from one place to another. Additionally helpful in lowering noise pollution is insulation. An energy-efficient home will use very little extra energy for heating and cooling.
Current equivalent energy is defined as the energy that an electron gains when its electrical potential rises by one volt. There are numerous ways that this action can occur, including thermal, electromagnetic, mechanical, and electrical. The principle of mass energy equivalence states that energy and mass have equivalent amounts.
Thus, the cost of insulation is not justified because the current equivalent energy savings is $88,000, which is less than the price of insulation. Installation will set you back $90,000.
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Angelica uses a coordinate plane to make a map of her neighborhood. The point at (4, 3) represents the location of her house, and the point at (10, 8) to represent the location of the gas station. She wants to drive to the gas station using the straight line shown below. Use what you know about right triangles to find out how far she will drive. Each unit on the graph represents 1 mile. In this answer, give the length of the straight line shown on the graph, and explain how you calculated it
Answer:
the distance between the 2 locations is 7.81 miles
If a penny is made of 3. 11 grams of copper, how many atoms of copper are in the penny? show your calculations and answer with unit
Answer:
Assuming a penny is made of pure copper Cu, then the molar mass of Cu can be used to determine the number of atoms in a penny.
The number of atoms in a mole is the Avogadro constant [math]N_{0}[/math]
The molar mass of Cu is [math]M_{Cu} =[/math] 63.546 grams per mole Cu
How Much Does A Penny Weigh? U.S. pennies since 1982 weigh 2.5 grams or 3.11 grams
Use the Moles to Grams Conversion Formula to solve for moles N[math]_{Cu}[/math]
Choose the mass of a penny to be [math]m_{penny}[/math] = 2.5 g for this question. (Repeat it with [math]m_{penny}[/math] = 3.11 g for yourself.)
Solution:
Find the number of moles of Cu in a penny [math]N_{Cu}[/math]
Find then number of atoms using
Explanation:
How far below the bridge will kate eventually be hanging, once she stops oscillating and comes finally to rest? assume that she doesn't touch the water
The distance below the bridge that kate will eventually be hanging, once she stops oscillating and comes finally to rest is: d = mg/k + L.
DistanceLetForce exerted by a spring=F=kx
Let x = (d – L)
Let d= Total length of the bungee cord
Let set this equal to the gravitational force
F(spring) = k(d – L)
F(gravity) = mg
Hence:
k(d – L) = mg
(d – L) = mg/k
d = mg/k + L
Inconclusion the distance below the bridge that kate will eventually be hanging, once she stops oscillating and comes finally to rest is: d = mg/k + L.
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The height of a plant over time is shown in the table below. Using a logarithmic model, what is the best estimate for the age of the plant when it is 19 inches tall? plant height t, time in months h, height in inches 1 18 2 18. 21 3 18. 33 4 18. 42 5 18. 48 6 18. 54 10 months 14 months 16 months 28 months
The best estimate for the age of the plant at 19 inches tall height is; 28 months
How to use a logarithmic Model?We are given the time in months as;
1, 2, 3, 4, 5, 6 months.
We are also given the corresponding heights for those months respectively as; 18.2, 18.21, 18.33, 18.42, 18.46, 18.54
Now, when we punch those values into an online regression calculator, we arrive at the regression equation as;
y = 18.001 + 0.3ln(x)
We want to find the best estimate for the age of the plant at 19 inches tall height. Plugging in 19 for x in the regression equation gives;
y = 18.001 + 0.3ln(19)
Solving theis gives; y = 28 months
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By applying the strategy of containment the united states hoped to prevent the
A wheel is turning about an axis through its center with constant angular acceleration. Starting from rest, at t = 0, the wheel turns through 8. 20 revolutions in 12. 0 s. At t = 12. 0 s the kinetic energy of the wheel is 36. 0 j. For an axis through its center, what is the moment of inertia of the wheel?
Answer: 0.975 m^2
Explanation:
θ = 0.5αt^2
8.20 revolutions = 8.20 x 2π = 51.52 rad
51.52 = 0.5α(12)^2
α = 0.716 rad/s^2
ω = αt = 0.716(12) = 8.592 rad/s
KE = 1/2Iω^2
36 = 0.5I(8.592)^2
I = 0.975 m^2
Therefore, the moment of inertia of the wheel is approximately 0.975m^2
What is the length of the radius, r? 10 units 12 units 20 units 24 units
Answer:12
Explanation:
A mining company received government permission to purchase land for surface mining activities. this land was previously used by local ranchers for feeding their livestock. which of these plans prevents the permanent dislocation of local ranchers due to mining in this location?
Answer:
Feeding the Livestock
Explanation:
Feeding the Livestock prevents them from being able to use the location because now it's damaged.
can someone tell me what is AP
Answer:
a sequence of numbers in which each differs from the preceding one by a constant quantity (e.g. 1, 2, 3, 4, etc.; 9, 7, 5, 3, etc.)
Red squirrels usually eat hazelnuts, but due to a reduction in their food source, they had to share resources with gray squirrels. The number of red squirrels decreased over time, and gray squirrels gradually replaced the red squirrels because they are better adapted to the environment. This is an example of
According to the context, gray squirrels gradually replaced the red squirrels due to a process of adaptation of these to the environment in which they are immersed, this is an example of natural selection.
What is natural selection?It is the process of adaptation to the environment by which only organisms with certain characteristics reproduce.
Thus, natural selection is the process that favors the organisms best adapted to deal with their environment, allowing them to reproduce and transmit their characteristics to future generations.
Therefore, we can conclude that according to the context, gray squirrels gradually replaced the red squirrels due to a process of adaptation of these to the environment in which they are immersed, this is an example of natural selection.
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Given △def, which is not equal to cos(f)? sin(f). Sin(d). Tan(f). Cos(d)
Answer:I believe it is tan(F) answer C
Explanation: sorry fam you just gotta trust ig
also if anyone wants to give a more mathematical answer here is the triangle they are using
Evaluate three consequences of not applying for funding for your studies
The three consequences of not applying for funding for your studies are:
Inadequate money to pay for your education.Lack of focus in your be studies.Inability to buy necessary educational resources.Consequences of not applying for funding for your studies Inadequate money to pay for your education: If you don't apply for finding, a student might find it difficult to pay for his fees.Lack of focus in your be study: A student who is experiencing difficulty in paying fees will have a divided attention and won't focus on studies.Inability to buy necessary educational resources: The student will find it difficult to but the necessary learning resources that will aid their studies.Learn more about education:
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When 1. 00 mole of nh4no3 dissolves in water, the enthalpy change is δh = + 25. 7 kj. What is the enthalpy change if 17. 5 grams of nh4no3 are dissolved in water?
The enthalpy change involved in the dissolution of 17. 5 grams of NH₄NO₃ in water is +5.47 KJ
Data obtained from the question 1 mole of NH₄NO₃ has an enthalpy change of +25 KJ 17.5 g of NH₄NO₃ =? How to determine the enthalpy change for 17. 5 g of NH₄NO₃1 mole of NH₄NO₃ = 14 + (1×4) + 14 + (3×16) = 80 g
Thus, we can say that:
80 g of NH₄NO₃ has an enthalpy change of +25 KJ
Therefore,
17.5 g of NH₄NO₃ will have an enthalpy change of = (17.5 × 25) / 80 = +5.47 KJ
Thus, the enthalpy change for 17.5 g of NH₄NO₃ is +5.47 KJ
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Which texas governor worked for public support of bread bonds
The Texas governor who worked for public support of "bread bonds" was Miriam Amanda Ferguson.
Who is Miriam Amanda Ferguson?Miriam Amanda Ferguson was an American politician who was born on the 13th of June, 1875 in Bell County, Texas, United States of America and she died on the 25th of June, 1961 in Austin, Texas, United States of America.
Miriam was elected to serve as the governor of Texas on two occasions during which supported many "New Deal" initiatives such as "bread bonds" along with federal funds to provide public support and address their welfare needs.
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An employee wants to earn at least $255 at his job this week. He earns $68 on monday. If the employee earns $8. 50 per hour, which number line shows the hours he needs to work the remainder of the week?
Answer:
He will need to work 22 more hours in the remainder of the week
Which of the following types of evidence is considered the most accurate in classifying organisms, according to the majority of scientists?
Answer: Molecular
EXPLANATION;form and evolutionary relationships.