The quantity of heat that is required to raise this sample of liquid water is 20,900 Joules.
Given the following data:
Mass of liquid water = 50.0 grams.Initial temperature = 50°CFinal temperature = -50°CScientific data:
Specific heat capacity of water = 4.18 J/g °C.Specific heat capacity of ice = 2.108 J/g °C.How to calculate the quantity of heat.Mathematically, quantity of heat is given by this formula:
[tex]Q = mc \theta[/tex]
Where:
m is the mass.c is the specific heat capacity.[tex]\theta[/tex] is the change in temperature.Substituting the given parameters into the formula, we have;
[tex]Q=50.0 \times 4.18 \times (-50-50)\\\\Q=209(-100)[/tex]
Quantity of heat = -20,900 Joules.
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Jim has recently been losing weight though he is hungry all the time. His partner noticed that he is drinking a lot of water and is dozing off while watching tv or at a movie. Jim suspects that he is simply aging, while his partner (who is taking a hlth 1100 class) suspects he may have
Jim suspects that he is simply aging, while his partner suspect's it may be due to diabetes or may also be due to hard workouts and exercises. Both situations may hamper physical performance.
What is physical performance?Physical performance refers to the ability to perform different types of physical workouts and exercises.
Physical performance largely depends on muscular endurance and external factors such as training.
The loss of physical performance may be due to aging or also caused by hard workouts and exercises.
Moreover, diabetes is a disease characterized by a faulty carbohydrate (glucose) metabolism, which can also increase the appetite.
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Jim's partner (who is taking a HLTH 1100 class) suspects he may have diabetes.
What is diabetes?Diabetes can be defined as a type of disease which occurs when enough insulin is not being produced by the pancreas or when the body does not respond properly to the ones that are being produced.
Some of the symptoms of diabetes include the following:
Loss of weight.High frequency of hunger.Fatigue Blurry visionTingling hands or feet.High appetite for water due to thirst.In conclusion, Jim's partner (who is taking a HLTH 1100 class) suspects he may have diabetes.
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Which potential energy diagram represents the change in potential energy that occurs when a catalyst is added to a chemical reaction?
The dotted line showing a new potential energy diagram with a shorter activation energy hill than that in the original potential energy diagram best represents it.
What is Potential energy?This is the type of energy present in a body by virtue of its position.This can be converted to various forms of energy.
In a chemical reaction, the change in potential energy that occurs when a catalyst is added to a chemical reaction is best represented by dotted line showing a new potential energy diagram with a shorter activation energy hill than that in the original potential energy diagram.
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Laura sees a horse pulling a buggy. Which statement best describes the forces acting on the horse and buggy? the net forces exerted on the horse and cart are the same, but the action force is larger. The net forces exerted on the horse and cart are the same, but they are in the same direction. The net forces exerted on the horse and cart are not the same, so the two forces cancel out. The net forces exerted on the horse and cart are not the same, so they are not balanced forces
The statement which best describes the forces acting on the horse and buggy is: D. The net forces exerted on the horse and cart are not the same, so they are not balanced forces.
The two types of force.In Science, there are two (2) main types of force that act on all objects and these include:
Unbalanced forceBalanced forceWhat is a balanced force?A balanced force refers to a type of force that is only produced when two or more forces (net forces) that are acting on an object (buggy) are equal in magnitude and as such, it does not result in a change of motion (acceleration).
In this scenario, the net forces exerted on the horse and cart are not equal or the same in magnitude, so they are not balanced forces. Thus, resulting in a change of motion of the buggy.
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Answer:
d
Explanation:
Harper lee develops her theme of "appearance vs. Reality" in these chapters. Write a paragraph of at least 125 words about how this theme is demonstrated in the people
Appearance and reality concept is common with humans. The appearance factor is known as what seems to be, in terms of human experience.
The above concept shows a form of opposition between what things are and what they really are in the reality of things.
What is appearance vs. Reality?This concept tells us that the way a thing may appear does not mean that is the way it is. The appearance of a thing implies how that thing looks,
But the reality of things is known to be the the true state of things as they actually are found or the true state of a thing. Most times the Appearance of a thing or human can be deceiving or misleading.
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Which statement best describes the theme of a fictional text? a theme is stated during the exposition of a text. A theme is character’s opinion about a topic. A theme is an idea about a topic developed throughout the work by the author a theme is a dilemma faced by a character in the text
Answer:
C: A theme is an idea about a topic developed throughout the work by the author
Explanation:
Took the quiz.
The true statement is (c): A theme is an idea about a topic developed throughout the work by the author
How to describe a theme?In a play, fictional text or any similar literature; themes are used to convey the main idea about the subject or topic.
Themes can be one of (or a mix of) the following forms
CharactersSettingDialoguePlotHence, the true statement about a theme is (c)
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A mixed reality application detects the spatial layout of a room.
Which of the following best describes an advantage of burning biomass rather than burning fossil fuels in developing countries?
The advantage burning biomass has over burning fossil fuels in the developing countries is: the production of biomass is cheaper compared to fossil fuel extraction, which makes it more readily available for use.
What is Biomass?Biomass can be described as materials that are plant-based which are used to generate heat or electricity, such as energy crops, waste from farms and households, wood and wood residues.
In the developing countries, these biomass sources are cehaper to generate compared to fossil fuels.
Therefore, the statement that best describes the advantage burning biomass has over burning fossil fuels in the developing countries is: the production of biomass is cheaper compared to fossil fuel extraction, which makes it more readily available for use.
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The function of the allusion in line 4 might best be understood to convey
Based on line 4, the function of the allusion is to convey an information: that the lovers were oblivious to the world around them.
What is an allusion?In English literature, an allusion is a type of literary device and it can be defined as a reference in a text to a well known text, place, person, event, or thing.
This ultimately implies that, allusion avails an author the opportunity to compress (embed) a great deal of meaningful and significant information into a phrase or word such as "she felt like she had a golden heart."
In conclusion, the function of the allusion might best be understood to convey an information references the fact that the lovers were oblivious to the world around them.
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What is the best analysis of the casual relationship in this scene? this decision will cause caesar to flee from rome. This decision will cause the conspirators to abandon their plot. This decision will cause cassius to act on his plans more urgently. This decision will cause cassius and casca to move on without brutus’s decision
Answer:
C. This decision will cause Cassius to act on his plans more urgently.
Explanation:
edge
The best analysis of the casual relationship in this scene is that: B. This decision will cause Cassius to act on his plans more urgently.
The tragedy of Julius Caesar.In this exercise, the excerpt was taken from a literary work titled "The tragedy of Julius Caesar" in part 2; which illustrated a casual relationship between the characters, Cassius and Brutus.
Based on the The tragedy of Julius Caesar, we can deduce that the decision taken by Cassius will cause him to act on his plans more urgently.
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12.1 arithmetic sequences evaluate homework and practice
A small template to work with arithmetic sequences is given in this problem.
What is an arithmetic sequence?In an arithmetic sequence, the difference between consecutive terms is always the same, called common difference d.
The nth term of an arithmetic sequence is given by:
[tex]a_n = a_1 + (n - 1)d[/tex]
In which [tex]a_1[/tex] is the first term.
The sum of the first n terms is given by:
[tex]S_n = \frac{n(a_1 + a_n)}{2}[/tex]
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If the density of a bar of gold is 19.3 g/cm3 and you cut it into 4 pieces, what is the density of each piece of gold?
The density of each piece of gold is 19.3g/cm³.
If the bar of gold has a density of 19.3g/cm³ and it is cut into 4 piece, each piece will retain the same density as initial bar of gold because density is an intensive property and it does not rely the amount of substance or sample.
What is Density?Density is simply referred to as the mass of a unit volume of a substance.
It is expressed as;
[tex]p = \frac{m}{v}[/tex]
Where m is mass and v is volume.
Now, the ratio of two extensive property ( mass and volume ) will always give an intensive property.
Henec, Density is an intensive property.
Intensive property do not rely the amount of substance or sample, and they do not change due to conditions.
The density of each piece of gold is 19.3g/cm³.
If the bar of gold has a density of 19.3g/cm³ and it is cut into 4 piece, each piece will retain the same density as initial bar of gold because density is an intensive property and it does not rely the amount of substance or sample.
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Lesson 18 understand properties of transformations answer key
Understanding the properties of transformation means knowing the different ways in which a figure can be moved. These movements are:
You can slide the figure = TranslationYou can reflect the figure = ReflectionYou can rotate the figure = RotationWhat is transformation?Transformation is the modification or a shift in the shape and/or size of a figure. Majorly there exists three (3) types of transformation that change the shape of a figure from one place to another.
Translation: This is the movement of each point in the same direction with the same distance.Reflection: This is the flipping of a figure through an imaginary line.Rotation: This occurs via the turning of a figure at an axis of a fixed point.To understand the properties of transformation means to know the different ways in which a figure can be moved. These movements are:
You can slide the figure = TranslationYou can reflect the figure = ReflectionYou can rotate the figure = RotationLearn more about transformation here:
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What does number 8 wire mean to New Zealanders?
Answer:
Accordingly, the term "number 8 wire" came to represent the ingenuity and resourcefulness of New Zealanders, and the phrase "a number 8 wire mentality" evolved to denote an ability to create or repair machinery using whatever scrap materials are available on hand.
Explanation:
It is likely for a student to trip while running the hurdles for the first time. which could be the probability of a student tripping when running the hurdles for the first time?
The probability of a student tripping when running the hurdles for the first time is high.
What occurs if you run through the hurdles?Runners are known to be remain in their assigned lanes in all of a race, and, even though they may knock hurdles down while running over.
Note that based on the fact that runner is tripping when running the hurdles for the first time, it will have high of putting down hurdles but constant practice will help one overcome it.
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How does sancho know which locker is william's? the gym lady told him. bolsa lead him to it. sancho looked it up in the gym records. there is a sign with his name on it.
I don't know if I'm late to this but the answer is D, I took the quiz for this and got it right. :)
What is a theme of the play the glass menagerie? select the two correct answers.
Answer:
memory and nostalgia and gender roles
Explanation:
The glass menagerie takes place in toms memory the relationships represent the entrapment of each other.
Memory and nostalgia and gender roles the glass menagerie takes place in toms memory the relationships represent the entrapment of each other.
What is a theme?A theme simply has means the main idea that can be found in the literary work. It is the underlying message in the story. In this case, the themes of The Glass Menagerie are the one should be always live in the present but the plan for the future and it has the better to face the reality than to live in the fantasy world.
The theme of the story The Glass Menagerie include that one should always live in the present but the plan for the future. It has better to face the reality than to live in the fantasy world.
The Glass Menagerie has a "memory play" in which the Tom reminisces about his childhood during the Great Depression. It has depicts his mother, Amanda, attempting to retain a lost gentility in the face of abject poverty and cajoling her children into her vision of happiness.
Therefore, Memory and nostalgia and gender roles the glass menagerie takes place in toms memory the relationships represent the entrapment of each other.
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Arrange the steps in the order that allows oliver to determine the concentration of the base solution
The steps in the order that allows Oliver to determine the concentration of the base solution is given below:
Step 1-Write a balance equation for the reaction between the analyte and the titrant.Step 2-Calculate the 1 number of moles of titrant using the volume of titrant required and the concentration of titrant.Step 3-Calculate the 1 number of moles of analyte using the stoichiometric coefficients of the equation.Step 4- Calculate the concentration of the analyte using the number or moles of analyte and the volume of analyte titrated.What is the concentration of base?Concentration is known as a term that connotes the amount of acid or base that can be found in a given amount of solution.
A concentrated solution is known to be a solution that has a large amount of acid or base in a specific volume.
See options below
a. Write a balanced equation for the between the analyte and the titrant.
b. Calculate the number of moles of analyte using the stoichiometric coefficients Of the equation.
c. Calculate One number moles of titrant using One volume of titrant required and the concentration of titrant
d. Calculate Ole concentration of the analyte using the number of moles of analyte and the volume of analyte titrated.
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How does vonnegut use irony in this excerpt? the musicians are described as the opposite of what is expected. The normal music is described as the opposite of what is expected. Harrison’s actions contradict his character. Harrison’s words contradict his character
Vonnegut used irony in this excerpt as: B. The normal music is described as the opposite of what is expected.
What is Harrison Bergeron?Harrison Bergeron refers to a dystopian science-fiction short story that was written by Kurt Vonnegut and it was officially published in October 1961.
In Harrison Bergeron, when the musicians scrambled back into their chairs they were stripped of their handicaps by Harrison Bergeron. Also, he told the musicians to play their best and he'll make them ba-rons and du-kes and earls.
However, when the music started it was normal at first, cheap, silly, false.
In conclusion, we can deduce that Vonnegut used irony in this excerpt as the normal music is described as the opposite of what is expected.
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Answer:
B
Explanation:
:)
At which event must special care be taken when preparing food for the guests servsafe
Explanation:
if it is based on meal service it is buffet
An event that includes special care when preparing food for the guests is suitable when you invited them for special occasions in order to bring the closeness of relations with you.
Why special care must be taken for guests?Special care must be taken in order to serve guests with love, happiness, and dignity. This determines your standard of living, character, and activeness in front of them. If the guest is diabetic, it must be taken care of that the sweets are completely avoided or are prepared sugar-free.
It is required to take the care necessary precautions like the quantity of added salt, the spiciness of the food as per the guest's recommendations, etc. must also be taken to ensure that the dining experience is improved.
When guests are invited over for lunch or dinner for events like marriage meetings, company meetings, club meetings, etc. special care must be taken.
Therefore, it is well described above.
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Natalia paid $38. 95 for three medium-sized pizzas and a salad. Solve an equation to find the cost of one pizza, p, if natalia paid $11. 98 for the salad. Enter your answer in the box
Answer:
8.99
Explanation:
we have to divide 38.95-11.98 and divide the answer with three.
A spring with a spring constant of 400 n/m has a mass hung on it so that it stretches 10 cm. calculate how much mass the spring is supporting?
Answer:
4.1 kg
Explanation:
We'll begin by calculating the force acting on the spring.
Spring constant (K) = 400 N/mExtension (e) = 10 cm = 10/100 = 0.10 mForce (F) =?F = Ke
F = 400 × 0.10
F = 40 N
Finally, we shall determine the mass. This can be obtained as follow:
Force (F) = 40 NAcceleration due to gravity (g) = 9.8 m/s²Mass (m) =?m = F / g
m = 40 / 9.8
m = 4.1
Therefore, the mass the spring is supporting is 4.1 kg
About % of the population of a large country is. If two people are randomly selected, what is the probability both are ? what is the probability at least one is ? assume the events are independent
Using the binomial distribution, it is found that there is a:
0.0036 = 0.36% probability that both are allergic to pollen.0.1164 = 11.64% probability that at least one is allergic to pollen.What is the binomial distribution formula?The formula is:
[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]
[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]
The parameters are:
x is the number of successes.n is the number of trials.p is the probability of a success on a single trial.Researching the problem on the internet, it is found that:
6% of the population is allergic to pollen, hence p = 0.06.Two people are chosen at random, hence n = 2.The probability that both are allergic is P(X = 2), hence:
P(X = 2) = 0.06^2 = 0.0036.
0.0036 = 0.36% probability that both are allergic to pollen.
The probability of at least one is:
P(X >= 1) = 1 - P(X = 0) = 1 - 0.94^2 = 1 - 0.8836 = 0.1164.
0.1164 = 11.64% probability that at least one is allergic to pollen.
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What kind of sequence is the pattern 15, 17, 20, 24, 29, ...?
Decide whether the sentence needs a "personal a" or not. Miramos ___ los leones en el zoológico. The "personal a" is necessary. The "personal a" is not necessary
the answer is That "personal a" is not necessary.
Explanation:
I took test
What is the sum of the exterior angles of a 25-gon
Answer:
the answer is 15 gon
parce que la moitié de 25 ses 15 donc si on calcule aa fait 15 enft jsp jfait sa pr les points
Darwin explained that evolution occurred by a mechanism called choose... . the environment determines the choose... of an organism, which depends on choose... that help the organism survive and reproduce.
Answer:
Darwin created the Theory of evolution
Explanation:
This theory expanded species and fossils and expanded species and organisms over time.
Answer:
Explanation:
Darwin explained that evolution occurred by a mechanism called
natural selection. The environment determines the fitness of an organism, which depends on adaptations that help the organism survive and reproduce.
In a fixed volume, when temperature decreases, pressure
Explanation:
the pressure increases. Because the temperature of a gas is proportional to the average kinetic energy of the gas molecules. The particles moving faster collide with the walls of the container frequently with greater force. This causes the force on the walls of the container to increase so as the pressure increases.
Describe the similarities between the great depression and america's housing
Answer:
The similarity between the Great Depression and America’s housing and economic crisis that began in 2008 is:
They were business investments
According to the events which occurred during the Great Depression, there was a reduction of over half in the industrial production as there was a great financial loss based on the money invested in the industry.
As a result of this, we can see that although the housing and economic crisis and the Great Depression were similar because they were business investments, the effects of the Great Depression was greater.
Explanation:
Read the lines from the poem "the dragonfly. " link between water and air, earth repels you. What is the connotative meaning of the word repels?
Answer:
D or Avoids
Explanation:
I took the quiz
Answer:
D
Explanation:
Water vapor is an example of what type of solution?
Answer:
Explanation:
A solution means it is a 'homogenous' mixture. That is its composition and properties are uniform throughout the mixture. In case of water vapour in air(and also dust in air) it is not a homogenous mixture therefore cannot be considered as a solution.
Answer:
Gases
Explanation:
Water Vapor is like gases since it is in the form of a gas. There is little water molecules mixed in the water. So it is a GAS solution
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