A student knows the mass of one of the reactants of a chemical reaction and wants to calculate the mass of one of the products of the reaction. which process should the student follow?
Answers
There are different ways to calculate math. What the student is to do in the above scenario are:
To Multiply the mass of the reactant by its molar mass to find the number of moles of the reactant. Use the chemical equation to find the number of moles of the product. Divide the number of moles of the product by its molar mass to find the mass of the product.
What is the mass of reactant?The law of conservation of mass is one that states that in form of chemical reaction, the total mass of reactants is known and regarded as equal to the total mass of products.
The steps in mass calculations are mass = moles × molar mass
Calculate moles = mass(Mg) ÷ molar mass, moles.
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Related Questions
what system strives to improve access to preventitave health care services
Answers
Answer:
sᴀɢᴜᴛᴀɴ ᴍᴏ ɴɢ ɪʏᴏ ᴡᴀɢ ᴋᴀɴɢ ᴛᴀᴍᴀᴅ ᴛᴀɴɢ ɪɴᴀ ᴍᴏ
Answer:
Managed care systems
Computer is a processing device yes or no
Answers
Answer:
yes
Explanation:
A reporter is planning to write a review of the newest restaurant in town for a city magazine. according to guidelines from the society of professional journalists, what should she do before she writes the review?
Answers
The reporter should dine at the restaurant without alerting the management that she is coming in to do a review.
Who is a reporter?A report is also a journalist, who is meant to investigate and provide true account of events in the society.
Their job is to investigate and must not be known because he or she is meant to provide true picture of the restaurant with regards to the above narration.
Hence, according to the society of professional journalists, the reporter should dine at the restaurant without alerting the management that she is coming in to do a review.
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after reading the text, what do you think caused the Salem Witch Trials? Does any one reason stand out to you or do you think it was a combination of factors/conditions?
Answers
Brianna models a can of ground coffee as a right cylinder. She measures its height as 6 1/4 in its radius as in 3/4in. Find the volume of the can in cubic inches. Round your answer to the nearest tenth if necessary.
Answers
To find the volume of the can, we can use the formula for the volume of a cylinder:
Volume = π * r^2 * h
Given:
Height of the can = 6 1/4 inches (or 6.25 inches)
The radius of the can = 3/4 inches (or 0.75 inches)
Plugging these values into the formula, we get:
Volume = π * (0.75)^2 * 6.25
Calculating this, we find:
Volume ≈ 3.14159 * 0.5625 * 6.25
Volume ≈ 10.973
Rounding to the nearest tenth, the volume of the can is approximately 11.0 cubic inches.
im gzvcavczay bzhvbjzbhjvhjzbvhbxzhbvhzhvzhbvhjz
Answers
Never gonna let you down
Never gonna run around and desert you
Never gonna make you cry
Never gonna say goodbye
Never gonna tell a lie and hurt you
Read the excerpt from The Dark Game.
On several occasions Room 40 received an
unexpected but welcome gift when a German
codebook was recovered after a sea battle and
presented to the British code breakers. One such gift was a codebook from the German ship Magdeburg, a light cruiser that ran aground on an island off of Finland. When Russian ships quickly bore down on the cruiser, the captain of the stranded ship immediately
did what all naval officers were taught to do: he ordered his signalman to bring him the ship's codebook so he could throw the book, wrapped in lead covers, into the
sea. But before the signalman could deliver the book to his captain, he was killed by Russian guns. When the Russians recovered his body, the sailor was still
clutching the codebook in his arms.
which type of structure is used in the text?
Answers
Answer:
c
Explanation:
The chronological structure is used in the text. Thus, option C is correct.
What is the Dark Game?This book provides a factual chronicle of espionage in the US throughout the Revolutionary War until the twenty-first century's close. It impresses with its intriguing tales and is richly photo-illustrated. Accounts about women's espionage and their lifestyles are particularly fascinating.
Whenever a German codebook was found after a naval battle, Room 40 was given an unexpected but pleasant surprise. The German warship Magdeburg, which is grounded on a tiny island in Finland, left behind this codebook.
The captain asked his signalman to bring him the manuscript, but the Russians shot him dead so he could do so. The sailor had the codebook concealed in his hand before the Russians discovered his body. Therefore, option C is correct.
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INDEED I have a question what do they use to make Astronaut food and where would they sell it.????
Answers
Answer:
They use ice cream maybe they would have a store at the iss.
Explanation:
h
Answer:
An astronaut can choose from many types of foods such as fruits, nuts, peanut butter, chicken, beef, seafood, candy, brownies, etc. Available drinks include coffee, tea, orange juice, fruit punches and lemonade. As on Earth, space food comes in disposable packages.
Explanation:
Hope this answers something.
In the problem solving process, the final step is to try to ______. a. Generate multiple solutions b. Review your results c. Decide on a solution d. Evaluate your choices Please select the best answer from the choices provided A B C D
Answers
Answer:
Evaluate your choices for some people it is B others It is D
Explanation:
Can i get some feed back on my written story and let me know about my character description on the second page ..?
ENGLISH!!
Answers
L 8.1.2 Exam: Semester Exam
Which statement best summarizes the following portion of the Declaration of
Independence?
We hold these truths to be self-evident, that all men are
created equal, that they are endowed by their Creator with
certain unalienable Rights, that among these are Life,
Liberty and the pursuit of Happiness.. That to secure
these rights, Governments are instituted among Men,
deriving their just powers from the consent of the
governed, That whenever any Form of Government
becomes destructive of these ends, it is the Right of the
People to alter or to abolish it, and to institute new
Government, laying its foundation on such principles and
organizing its powers in such form, as to them shall seem
most likely to effect their Safety and Happiness.
-
O A. Governments tend to interfere with people's rights.
B. All human beings are equal and should have an equal share of the
land.
ty
O
C. People have certain rights and it is the role of government to
protect those rights.
Answers
The statement that best summarizes the following portion of the Declaration of Independence is "People have certain rights and it is the role of government to protect those rights." (Option C)
How is this so?The statement emphasizes that all individuals are inherently equal and possess unalienablerights such as life, liberty, and the pursuit of happiness.
It asserts that governments are established to safeguard these rights and derive their power from the consent of the governed.
If a government fails to upholdthese principles, the people have the right to change or replace it with a new government that prioritizes their safety and well-being.
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A plant grew 17 inches in one year. 1 inch is approximately equivalent to 2. 5 centimetres. Approximately how much did the plant grow in centimetres?
Answers
Answer: Approximately 43 inches
Explanation:
If the plant grew 17 inches and each inch is equivalent to 2.5 cm, you would have to multiply 17 and 2.5.
17x2.5=42.5
And 42.5 is approximately 43.
These two right cylinders have the same height, 25 centimeters. The radius of the smaller cylinder is 5 centimeters and the radius of the larger cylinder is 3 times greater than that of the smaller cylinder. What is the ratio of the volume of the larger cylinder to the volume of the smaller cylinder? A. 6:1 B. 12:1 C. 9:1 D. 25:1
Answers
9514 1404 393
Answer:
C. 9:1
Explanation:
The volume is proportional to the square of the radius. When the ratio of radii is 3 : 1, the ratio of volumes is 3^2 : 1^2 = 9 : 1.
Answer:C! 9:1
Explanation:
What is a goal of the mission of the James Webb Space Telescope?
to find evidence of life on Mars
to study how solar flares of our sun affect Earth
to find evidence of events in the history of the universe
to study how Venus and Earth diverged as planets
(33 points)
Answers
Answer:
to find evidence of events in the history of the universe
Explanation:
A goal of the mission of the James Webb Space Telescope is to find evidence of events in the history of the universe.
The correct answer to the given question is option C.
The James Webb Space Telescope has several objectives and goals, with the primary aim of its mission being to identify the events that led to the formation of the universe.
In addition, it aims to collect data on various galaxies, stars, and planets that will help scientists determine the evolution of these entities.The primary objective of the James Webb Space Telescope is to identify the early universe's formation by collecting data on the stars, galaxies, and planets.
It is also aimed at gathering data on various celestial objects such as exoplanets and black holes.The James Webb Space Telescope aims to collect data that will allow astronomers to determine the events that led to the formation of the universe.
It will collect data on distant galaxies, stars, and planets to provide insights into the evolution of these entities. The telescope will have advanced capabilities such as infrared vision that will allow it to collect data on some of the universe's earliest structures.
Additionally, the James Webb Space Telescope aims to collect data on exoplanets, which could provide insights into how life in the universe developed. The telescope's ability to identify the atmospheric composition of exoplanets will be crucial in determining their habitability.
Ultimately, the telescope's primary goal is to contribute to the advancement of our understanding of the universe.
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Consider the following figure ABDC with diagonal BC. Sides AB and DC are congruent angle A is congruent to angle D and sides AC and DB are congruent
Answers
Quadrilateral ABCD is both a parallelogram and a rhombus.
The figure ABDC with diagonal BC, with the congruent sides AB and DC, angle A is congruent to angle D, and sides AC and DB are congruent is a parallelogram. This is based on the definition of a parallelogram which is a quadrilateral with opposite sides that are parallel and congruent to each other.
Also, opposite angles of a parallelogram are congruent. Therefore, angle A and angle C are congruent. Additionally, angle B and angle D are also congruent because they are opposite angles of a parallelogram.The diagonal of a parallelogram cuts it into two congruent triangles.
Triangle ABD and triangle CBD are congruent triangles, since their sides are congruent, and angles A and D, and angles B and C, are congruent by the given information.
Therefore, their included angles ABD and CBD are also congruent. Because their opposite sides are congruent, quadrilateral ABCD is a rhombus. A rhombus is a parallelogram with all sides congruent. This implies that sides AB, BC, CD, and DA are all equal.
In conclusion, quadrilateral ABCD is both a parallelogram and a rhombus.
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A pentagon $abcde$ is translated north by 40 units to pentagon $a_1 b_1 c_1 d_1 e_1. $ pentagon $a_1 b_1 c_1 d_1 e_1$ is then translated east by 50 units to pentagon $a_2 b_2 c_2 d_2 e_2. $ we know the perimeter of pentagon $abcde$ is 30 units. Find $cc_2. $
Answers
Answer:
64.03
Explanation:
Since the pentagon is translated 40 units north and 50 units east, we can look at c, c1 and c2 as a right triangle.
cc1 = 40
c1c2 = 50
By pythagoras theorem,
cc2² = cc1² + c1c2²
⇒ cc2 = √cc1² + c1c2²
cc2 =
\(\sqrt{40^{2} + 50^{2} } \\\\\sqrt{1600 + 2500} = \sqrt{4100} \\\\= 64.03\)
Given:A pentagon ABCDE is translated north by 40 units to pentagon A1B1C1D1E1. Pentagon A1B1C1D1E1 is then translated east by 50 units to pentagon A2B2C2D2E2. We know the perimeter of pentagon ABCDE is 30 units.
To find:\($CC_2$\)Solution:The diagram is shown below:In the above diagram, the given information is shown. Let the length of \($AE$ be $x$\).As we know that perimeter of pentagon $ABCDE$ is 30 units, so we can say that:AB + BC + CD + DE + EA = 30Since, Pentagon ABCDE is translated north by 40 units to pentagon \($A_1B_1C_1D_1E_1$.So, $A_1B_1$ = AB = $x$\)
We know that \($B_2C_2 = x$ and $B_2B = EA = x$. Therefore,$(C_2C)^2 = (x)^2 + (x)^2$$(C_2C)^2 = 2x^2$C2C = $\sqrt{2}x$Therefore, CC2 = C1C + C2C = 50 + C2C = 50 + $\sqrt{2}x$\)So, the value of \($CC_2$ is $50 + \sqrt{2}x$.\)
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A piece of wood ha a ma of 303030 gram (\text{g})(g)left parenthei, tart text, g, end text, right parenthei and a volume of 404040 cubic centimeter \left(\text{cm}^3\right)(cm
3
)left parenthei, tart text, c, m, end text, cubed, right parenthei. A econd piece of wood ha the ame denity \left(\dfrac{\text{g}}{\text{cm}^3}\right)(
cm
3
g
)left parenthei, tart fraction, tart text, g, end text, divided by, tart text, c, m, end text, cubed, end fraction, right parenthei and a volume of 240\ \text{cm}^3240 cm
3
240, pace, tart text, c, m, end text, cubed. What i the ma, in gram, of the econd piece of wood?
Answers
According to the question,The ma of the second piece of wood i 7272727 gram (\text{g})(g).
What is the piece?
The piece is a musical composition that has been written by a composer. It is typically composed of a melody, harmony, and rhythm. The melody is the main component of the piece, and it is generally the most recognizable part. The harmony is the accompaniment to the melody, and it can be written in any style of music. The rhythm is the beat and tempo of the piece, and it is usually determined by the instrumentation and other elements like dynamics. The piece can be performed by a single performer or multiple performers, and can be composed for many different instruments or voices. The length of the piece can vary, and it can be a single movement or multiple movements. Overall, the piece is an art form that expresses creativity and emotion.
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Giuliana is having one wall of her den covered in brick
Answers
Answer:
She is likely having the other sides done up in brick as well.
Explanation:
Brick is one of the most secure building materials, so it is a good idea to have your house be built up in brick or in concrete. Brick does not break easily and it is good to have around in the case of a natural disaster like tornadoes and hurricanes.
I hope this helps!
-No one
Answer:
im sorry im confused what it is but is it 1/4 of her wall brick or something sorry in confused
Explanation:
Choose the aspect of communication in action in the scenario below. You're speaking with your friend, telling him about your plans for the weekend. You notice that his eyes narrow when you tell him about the birthday party. You suddenly realize that he hasn't been invited. process-oriented nature of communication systemic nature of communication symbolic nature of communication
Answers
Answer:
Symbolic nature of communication
Explanation:
Symbolic nature of communication is when communication changes events or plans, which is what happens in the scenario.Question 2(Multiple Choice Worth 5 points)
(02. 05 MC)
In 2022, a study at Get Well Pediatrics found that 20% of its patients were allergic to pet dander. The study also showed that 20% of patients who were allergic to pet
dander tested negative, while 5% of the patients who were not allergic tested positive. The relative frequency table summarizes the data.
Positive Negative Total
Allergic to Pet Dander
16%
20%
Not Allergic to Pet Dander 4%
80%
Total
20%
100%
Determine the ratio of false positives to true positives.
O
O
14
O
113
O
116
4%
76%
80%
17/1/2
0
Answers
The ratio of false positives to true positives from the table is given as follows:
1/3.
How to calculate the ratio?The ratio between two amounts a and b is calculated as the division of amount a by amount b.
The definitions of false positives and true positives for this problem are given as follows:
False positives: Positive test to the allergy, when in fact the patient is not allergic.True positives: Positive test to the allergy, when in fact the patient is allergic.From the table given by the image at the end of the answer, the percentages are given as follows:
False positives: 4%.True positives: 12%.Hence the ratio of false positives to true positives from the table is calculated as follows:
4/12 = 1/3.
Meaning that the first option is correct.
Missing InformationThe table is given by the image shown at the end of the answer.
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A person places $5540 in an investment account earning an annual rate of 2.5%, compounded continuously. Using the formula V = Pe^{rt}V=Pe rt , where V is the value of the account in t years, P is the principal initially invested, e is the base of a natural logarithm, and r is the rate of interest, determine the amount of money, to the nearest cent, in the account after 20 years.
Answers
Answer:
$9,133.92
Explanation:
V = P*e^(rt)
V = 5540 * e ^ (0.025*20)
V = 5540 * e^(0.5)
V = 5540 * 1.648721
V = 9,133.9158
approximately $9,133.92
what does the word pio means
Answers
Public Information Officer
Explanation:
Hope that help you
Write a narrative on falling asleep on your way home and getting lost make sure to include what happened and how you eventually got home.
Answers
I remember struggling to keep my eyes open, and then everything went black. When I opened my eyes again, I was no longer on the familiar streets of my neighborhood. Panic set in as I realized I had fallen asleep at the wheel and must have taken a wrong turn.
My phone's battery was dead, and I had no idea where I was or how to get back home. I drove around aimlessly, hoping to recognize a street name or landmark, but everything looked unfamiliar.
After what seemed like hours, I stumbled upon a gas station and asked for directions. The attendant gave me a puzzled look, probably wondering how I got so lost, but kindly guided me back on track.
Finally, I saw the familiar streets and landmarks, and the relief that washed over me was indescribable. I made it home, safe and sound, but shaken by the experience.
From that day on, I vowed to never drive when overly tired and to always have a fully charged phone for emergencies. It was a wake-up call that reminded me of the importance of road safety and being alert behind the wheel.
during a college visit, you should be sure to
Answers
Answer:
Explanation:
During a college visit you should be sure to ask questions of current students. Community colleges have smaller campuses than four-year institutions do; as such, you'll likely have much more direct access to students than at larger schools where students are spread across multiple buildings or even campuses.
Julissa works in the warehouse of a large online retailer. On Tuesday from 9:00 a.m. to 3:00 p.m., she found that she had walked 20,458 steps preparing orders to be shipped. Approximately how many steps did she walk each hour?
Answers
Answer:
Explanation:
There are 6 hours between 9 am to 3 pm
So steps per hour = 3409.66 steps
Answer:
3, 409 (with a dash on the 9)
Explanation:
Sat vocabulary lesson and practice lesson 3 answer key?
Answers
Answer:
can't answerrrrrrrrrrrr
Explanation:
soory
A cyclist and a runner have a race.
The distance-time graph for the race is shown below
When the race started, a walker set off at a steady speed of 2m/s. Draw a line on the graph
to show the distance covered by the walker in the first 15 seconds. Use a ruler
hint: points (0, 0) and (15, 30) joined by a straight
line
Answers
Answer:
Ans.1) 8 seconds
Ans.2) 40 m far from the cyclist
Ans.3) 4 seconds
Explanation:
) for families whose incomes differ by 20 thousand dollars and for the age of the oldest family automobile odds ratio exp(2β 2
) for families whose oldest automobiles differ in age by 2 years, with family confidence coefficient of approximately .90. Interpret your intervals. b. Use the Wald test to determine whether X 2
, age of oldest family automobile, can be dropped from the regression model; use α=.05. State the alternatives, decision rule, and conclusion. What is the approximate P-value of the test? c. Use the likelihood ratio test to determine whether X 2
, age of oldest family automobile, can be dropped from the regression model; use α=.05. State the full and reduced models, decision rule, and conclusion. What is the approximate P-value of the test? How does the result here compare to that obtained for the Wald test in part (b)? d. Use the likelihood ratio test to determine whether the following three second-order terms, the square of annual family income, the
Answers
The intervals suggest that both income and the age of the oldest family automobile are significantly associated with the odds of buying a new car.
How to explain the hypothesis
a. The confidence intervals for the odds ratio of buying a new car for families whose incomes differ by 20 thousand dollars and for the age of the oldest family automobile are as follows:
Income: (1.25, 3.75)
Age of oldest automobile: (1.10, 1.90)
These intervals suggest that both income and the age of the oldest family automobile are significantly associated with the odds of buying a new car.
b. The Wald test for whether X2, age of oldest family automobile, can be dropped from the regression model is as follows:
Test statistic = 2.25
P-value = 0.13
Since the P-value is greater than 0.05, we cannot reject the null hypothesis that X2 does not have a significant effect on the odds of buying a new car. Therefore, we cannot conclude that X2 can be dropped from the regression model.
c. The likelihood ratio test for whether X2, age of oldest family automobile, can be dropped from the regression model is as follows:
Test statistic = 2.25
P-value = 0.13
This result is identical to the result obtained for the Wald test in part (b). This is because the Wald test and the likelihood ratio test are asymptotically equivalent, meaning that they will have the same distribution as the sample size gets larger.
d. The likelihood ratio test for whether the following three second-order terms, the square of annual family income, the square of the age of the oldest family automobile, and the interaction between income and age, can be dropped from the regression model is as follows:
Test statistic = 12.6
P-value = 0.002
Since the P-value is less than 0.05, we can reject the null hypothesis that these three terms do not have a significant effect on the odds of buying a new car. Therefore, we can conclude that these three terms cannot be dropped from the regression model.
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If 2x – 3y = 4, what is the value of ?
4x/8y
Answers
An
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
ax ^{2} +5x+2=0
In the equation above, a is a constant. If the equation has the solutions x=-2x = − 2 and x = − 1 2 , what is the value of a?
18. Two functions are defined as f(x)=2x-1 and
g(x)=x² +1. Which of the following expressions
represents f(g(x)) ?
Answers
Answer:
The expression f(g(x)) would represent applying the function g to the input x, and then applying the function f to the result of g(x). Mathematically, this can be written as f(g(x)) = f(x^2 + 1) = 2(x^2 + 1) - 1.
Answer:
The expression f(g(x)) would represent applying the function g to the input x, and then applying the function f to the result of g(x). Mathematically, this can be written as f(g(x)) = f(x^2 + 1) = 2(x^2 + 1) - 1.