The pH of the solution is 10.74. the pH refers to the hydrogen ion concentration. It is a measure of the acidity of the solution.
What is pH?pH is the degree of acidity or alkalinity of a solution.
The equation of the reaction is;
KOH + HBrO ==> KBrO + H2O
The number if moles of KOH =20.0 ml x 1 L / 1000 ml x 0.150 mol/L = 0.003 moles KOH
The number of moles of HBrO = 20.0 ml x 1 L / 1000 ml x 0.300 mol/L = 0.006 moles HBrO
Since the reaction is 1:2;
[BrO-] = 0.003 mols / 0.04L = 0.075M
Now the pH, is obtained from;
KBrO + H2O ==> KOH + HBrO
BrO- + H2O ==> HBrO + OH-
Kb of BrO- = 1x10-14 / 2.5x10-9 = 4x10-6
Kb = 4x10-6 = [HBrO][OH-] / [BrO-]
From the ICE table;
4x10^-6 = (x)^2 / 0.075
x = 5.48x10-4 M = [OH-]
pOH = -log 5.48x10-4 M = 3.26
pH = 14 - pOH
pH = 10.74
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help pls hurry time ticking hurry plsssssssssss
Answer:
option 1
Explanation:
cuz and open circle means a greater than or less sign and the down shaded part means 22 is greater
hope it helps :D
Answer:
The answer is C
Explanation:
It matches the graph shown.
If the triangle is equilateral then it is equiangular brainly
Answer:
Always true
Explanation:
An equiangular triangle has three equal sides, and it is the same as an equilateral triangle.
Hope my answer helped :)
__________ is the source error that can be avoided by locating questions sensitive to bias and changing or dropping them.
Answer: social desirability .
Explanation: your welcome <3 .
8-5 skills practice using the distributive property page 33
This exercise refers to the explanation of what distributive property is especially in relationship to addends.
What is distributive property?The process of obtaining the product of the addition of two or more addends by a figure that gives the same result as multiplying each addend individually by that figure and then adding their products together is referred to as distributive property.
How is Distributive Property Applied?A great example of distributive property is given below:
When asked for the answer of 5 (6 +1), applying distributive property, we have:
5(6+1) = 5 x 6 + 5 X 1 = 35.
Note that the 5 outside the bracket is used to multiply everything inside the bracket, hence the effect of Distributive Properties.
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scalable flexible and adaptable operational capabilities are included in
Ans The NRF guiding principles
Explanation:
The NRF is built on scalable, flexible, and adaptable concepts.
Scalable, flexible, and adaptable operational capabilities are indeed included in the (NRF)National Response Framework's five key principles.
The National Response Framework (NRF) is a comprehensive guide developed by the United States Department of Homeland Security to facilitate effective response and recovery efforts during emergencies, disasters, and incidents. The NRF's five key principles, known as the "Five Mission Areas," outline the fundamental aspects of emergency management. These mission areas include:
1. Prevention: Activities aimed at preventing emergencies or disasters from occurring. This involves measures such as risk assessment, hazard mitigation, and public education to minimize the likelihood of incidents.
2. Protection: Actions focused on safeguarding individuals, critical infrastructure, and key assets from potential threats and hazards.
3. Mitigation: Efforts to reduce the impact and severity of disasters by implementing measures to minimize the potential damage and disruption caused by hazards.
4. Response: Immediate actions are taken to address and manage the consequences of an incident. This includes coordinating emergency response activities, mobilizing resources, conducting search and rescue operations, providing medical assistance, and ensuring public safety.
5. Recovery: Activities aimed at restoring affected communities and rebuilding the impacted areas after an incident. This includes facilitating the recovery process, providing assistance to individuals and businesses, restoring critical services, and rebuilding infrastructure.
In summary, scalable, flexible, and adaptable operational capabilities are integral to the National Response Framework's five key principles, as they enable effective emergency management and response during various incidents and disasters.
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some cofactors participating in reactions of the citric acid cycle are given. identify the position or positions each cofactor has in the cycle by selecting the appropriate letter or letters designating that position in the cycle diagram.
The cofactor and the appropriate letter or letters showing the position in the cycle diagram are:
NADH+H+ - BDJFADH2- HGTP - FWhat is a cofactor?A cofactor is known to be a kind of chemical compound that is said to be non-proteinous in nature. It is also known to be a metallic ion that is often needed in any reaction as a kind of catalyst in that chemical reaction.
Note that the Cofactors is often seen as the "helper molecules" that boast biochemical transformations and as such the letters that show the position in the cycle diagram are the ones given above.
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Read the following sentence.
Pliny once wrote that Phoenician sailors who cooked on blocks of natron (soda) on a beach discovered glass accidentally.
Is the underlined phrase essential (restrictive) or nonessential (nonrestrictive)? Explain your reasoning
Answer:
The underlined phrase is essential. It isn't just any group of Phoenician sailors who discovered glass, nor is it that Phoenician sailors in general discovered it; the sentence refers to a particular group of sailors that used blocks of natron to cook on the beach.
Explanation:
source…Quizlet
I hope this helps
Have an AMAZING day. :)
The term “Kiwi” as a nickname for New Zealanders comes from __________.
a. the Maori term for “non-Maori,” or person of European descent
b. the Maori term for “native” or “first”
c. the flightless bird native to the country
d. the Chinese gooseberry, called kiwifruit in New Zealand
Answer: C “The flightless bird native to the country”
Explanation:
None of the other answers make sense and I also took the quiz and got this question right.
Sort ideas related to three types of education into the correct categories
The ideas are to be categorized into either the "University or College", "Vocational school" or On-Job training class".
What entails the University or College?Its required two, four or more yearsIts is the most expensive optionIt is required in many field as pre-requisiteWhat entails the Vocational school?Its has technical training emphasisIt is usually two yearsWhat entails the On-Job training class?It is usually for weeks opr monthIt is for specific jobsRead more about education
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Answer:
this is the answer, here is an image that shows that answer
Explanation:
A regular deck of cards has 52 cards. assuming that you do not replace the card you had drawn before the next draw, what is the probability of drawing three aces in a row?
The probability of drawing three aces in a row is the likelihood of drawing three aces
The probability of drawing three aces in a row is 0.000181
How to determine the probability?In a standard deck of 52 cards, there are 4 aces.
Given that the selection is without replacement; then we have the following selections:
First: 4 aces in 52 cardsSecond: 3 aces in 51 cardsThird: 2 aces in 50 cardsThe probability is then calculated as;
[tex]P = \frac{4}{52} * \frac{3}{51} * \frac{2}{50}[/tex]
Evaluate the products
[tex]P = 0.00018099547[/tex]
Approximate
[tex]P = 0.000181[/tex]
Hence, the probability of drawing three aces in a row is 0.000181
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Thomas made use of bright and glaring font colors for his website. how does this practice affect the core message of the website?
Answer:
The answer is D :) on plato
Explanation:
From a point 54.0 feet from the base of a flagpole, the angle of elevation to the top of the flagpole is 68.5°. find the height of the flagpole.
The flagpole forms a right-triangle with its base and its top
The height of the flagpole is 137.1 feet
How to determine the height?To determine the height, we make use of the following tangent trigonometry ratio
[tex]\tan(68.5) = \frac{h}{54.0}[/tex]
Where:
h represents the height of the flagpole.
So, we have:
[tex]h = 54.0 * \tan(68.5)[/tex]
Evaluate
[tex]h = 137.1[/tex]
Hence, the height of the flagpole is 137.1 feet
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Western and central europe: 740,000 adults and children living with h i v and 12,000 deaths due to h i v. eastern europe and central asia: 1.7 million with h i v and 84,000 deaths. east asia: 750,000 with h i v and 43,000 deaths. south and southeast asia: 7.8 million with h i v and 90,000 deaths. oceania (including australia and new zealand): 81,000 with h i v and 4,000 deaths. middle east and north africa: 460,000 with h i v and 36,000 deaths. sub-saharan africa: 24.7 million with h i v and 2.1 million deaths. which area of the world has the most people living with hiv/aids? the middle east and north africa sub-saharan africa south and southeast asia eastern europe and central asia
Answer:
B. Sub-Saharan Africa
Explanation:
based on the information provided in figure 1 and figure 2, which of the following best predicts the effects of a mutation in the promoter of the tyr gene that prevents it from being transcribed?
Based on the information provided in figure 1 and figure 2, Skin pigmentation will not be altered, leading to a negative selection pressure.
What is the figure about?The Figure shows the making of α-MSH in keratinocytes as a result of UV radiation.
The option that effects of a mutation in the promoter of the tyr gene that prevents it from being transcribed is that Skin pigmentation will not be altered, leading to a negative selection pressure.
Conclusively, in Figure 1, TYRTYR is needed for the steps in the melanin synthesis pathway but when it was not shown properly, it hinders melanocytes from synthesizing melanin even if there was an exposure to UVUV radiation. This would therefore leads to a negative selection pressure.
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A sales tax of 6% is added to the price of an item. if marisa buys an item, which expression indicates how much she will pay in all?
Answer:
n+6% of n
Explanation:
Let's just say n is the amount of money needed to buy that product. If 6% tax is added to that amount then that amount's 6% will be the added tax.
Answer:
n+0.06n.
Explanation:
If two angles are supplementary angles, then both of them are: a) acute angles b) obtuse angles c) right angles d) none of these.
Answer:
right angle
Explanation:
because every right angle is equal to 90°
Find out where cancún, guadalajara, and oaxaca are located in mexico and describe one interesting attraction you can find at each one.
The location and interesting attractions of the different cities of cancún, guadalajara, and oaxaca are; Described in the answer below
Where is the location of some cities?Cancun: It is a city located in the southeastern part of Mexico, in the state of Quintana Roo, in the Yucatan peninsula and one of the most famous destinations in Mexico. One thing that you can see here is the Mayan ruins known as "El Rey."Guadalajara: This city is located in western Mexico and is the capital of the state of Jalisco. One of the most important touristic attractions of this city is the Hospicio Cabañas.Oaxaca: This city is located in the state of Oaxaca at the Centro District in the Central Valleys region of the state, on the foothills of the Sierra Madre. One of the most important attractions of Oaxaca is the festival of the "Guelaguetza."Read more about City Location at; https://brainly.com/question/15563495
Unit 11 volume and surface area homework 3 answer key
The surface area in physic refers to the total amount of space or area that is covered by the surface of an object or matter.
What are examples of Surface Areas?The surface area of a Prism for instance is given as:
(2 × Base Area) + (Base perimeter × height);
While the surface area of a Cube is :
6 x A² where a is the length of each side.
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Hi, Does anyone have Collabify too?
Answer:
probably
Explanation:
there are a lot of people
Consider the following claim: group behavior can increase the chances for an individual and a species to survive and reproduce
Lesson 16 solve problems with equations answer key
Based on the calculations, the value of x and y in this equation are both equal to 5.
What is a system of linear equations?A system of linear equations can be defined as an algebraic equation of the first order that has two (2) variables with each of its term having an exponent of one (1).
Given the following data:
x + y = 10 .....equation 1.
x = 5. .....equation 2.
How to evaluate an equation.In order to evaluate the given mathematical equation, we would substitute equation 2 into equation 1 as follows:
[tex]5+y=10\\\\y=10-5[/tex]
y = 5.
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The combustion of ethane in the presence of excess oxygen yields carbon dioxide and water: 2c2h6 (g) + 7o2 (g) → 4co2 (g) + 6h2o (l) the value of δs° for this reaction is ________ j/k⋅mol.
The value of entropy change (δs°) for this chemical reaction is equal to -620.4 J/molK.
What is entropy change?The entropy change of a chemical reaction can be defined as the difference between the total entropy change that is associated with the products and the total entropy change for the reactants.
In Chemistry, the standard entropy of formation for the given chemical compounds and element are:
[tex]S_{O^2}= 205\;J/molK[/tex]
[tex]S_{C_2H_6}= 229.6\;J/molK[/tex]
[tex]S_{H_2O}= 69.9\;J/molK[/tex]
[tex]S_{CO_2}= 213.6\;J/molK[/tex]
Mathematically, the entropy change of a chemical reaction is given by this expression:
[tex]\Delta S_{rxn}=\sum [n \times products]-\sum [n \times reactants]\\\\\Delta S_{rxn}=\sum [4S_{CO_2}+ 6S_{H_2O}]-\sum [2S_{C_2H_6}+ 7S_{O_2}]\\\\\Delta S_{rxn}=\sum [(4\times 213.6) + (6 \times 69.9)]-\sum [(2\times 229.6) + (7 \times 205)]\\\\\Delta S_{rxn}=\sum [854.4 + 419.4]-\sum [459.2 +1435]\\\\\Delta S_{rxn}=\sum [1273.8]-\sum [1894.2]\\\\\Delta S_{rxn}=-620.4\;J/molK[/tex]
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A 2-column table with 4 rows. The first column labeled elevation (meters) has entries 500, 1000, 1500, 2000. The second column labeled temperature of air (degrees celsius) has entries 11. 8, 8. 5, 5. 3, 2. 0. As elevation increases, temperature decreases. At which elevation will sound travel fastest? 500 meters 1,000 meters 1,500 meters 2,000 meters
Answer:
500 on edge :)
Explanation:
Answer:
A The first one! 500!
Explanation:
I got it right.
A network administrator is measuring the transfer of bits across the company backbone for a mission critical financial application. the administrator notices that the network throughput appears lower than the bandwidth expected. which three factors could influence the differences in throughput? (choose three.)
The three factors that could influence differences in lower levels of network throughput compared to the bandwidth expected are:
The current volume of traffic crossing the networkThe kind of traffic that passes through the networkThe delay (latency) that is created by the number of network device(s) connections that the data is crossing.What are throughput and bandwidth in networking?Throughput indicates the amount of data sent from a source at any particular time, whereas bandwidth indicates the amount of data that might potentially be transmitted from a station at any given moment.
You have crucial data for measuring network performance provided you know the network's throughput and bandwidth levels. Operators who want a comprehensive view of their network's performance need to understand how throughput, as well as, bandwidth is operating.
The three factors that could influence differences in lower levels of network throughput compared to the bandwidth expected are:
The current volume of traffic crossing the networkThe kind of traffic that passes through the networkThe delay (latency) that is created by the number of network device(s) connections that the data is crossing.Learn more about network throughput and bandwidth here:
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what number do u see
Answer:
4628 or 4528
Explanation:
I wear glasses
Based on the equation and the titration results what is the concentration of the h2so4(aq)
Answer:
The value is going to be 0.96 M. You would need to refer to the chart so that you can solve the question properly. To solve for the value of this, you need to know the value of each mole. The equation is going to be MaVa=MbVb x (12). You would need to change the concepts to (0.16)(36.0) x = 0.48.
If two supplementary angles are congruent what is the measure of each
90° because l think each right angle is equal to 90°
which of the stream types had a statistically lower macroscopic invertebrate species diversity than the seasonal streams?
Intermittent streams are streams that exhibit lower macroscopic invertebrate species diversity than seasonal streams.
What is species diversity?Species diversity, also called biodiversity, refers to the richness of species living in a given community.
A community such as, for example, a stream, is composed of all populations living in a geographic region and thus forming part of an ecosystem.
Species diversity is a fundamental issue for the overall health and homeostasis of the ecosystem.
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Which inequality represents the number line:
Answer:
The answer is A
Explanation:
[tex]\frac{7}{7}[/tex] = 1 whole
[tex]\frac{7}{1}[/tex] = 7 wholes
The rest of the answer choices do not equal a whole.
Math accelerated chapter 8 equations and inequalities answer key
In math equations and inequalities, they are said to be both mathematical sentences that is created to link two expressions such as the use of symbol >, <, ≤ or ≥. when two items are in a state of inequality.
What is equation and inequality?An equation is known to be a type of mathematical statement that depicts the equal state of two expressions. It is often depicted with the symbol = which shows equality.
While an inequality is known to be a mathematical statement that shows that two given expression is said to lesser than or more than one another.
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