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At constant volume, the heat of combustion of a particular compound is –3947.0 kJ/mol. When 1.311 g of this compound (molar
1. 1 answer
2. 809 views
Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 7.00 MJ
1. 1 answer
2. 638 views
When 1367 J of heat energy is added to 44.1 g of hexane, C6H14, the temperature increases by 13.7 °C. Calculate the molar heat
1. 1 answer
2. 524 views
An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and
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2. 542 views
If you combine 360.0 mL of water at 25.00 °C and 120.0 mL of water at 95.00 °C, what is the final temperature of the mixture?
1. 1 answer
2. 555 views
Draw the product(s) of the following reactionCH3-CH2-C(triple bond)C-CH2 ---------> ? (Na/NH3)
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2. 719 views
Use spherical coordinates.Evaluate Triple integral SSSE where E lies between the spheres x^2 + y^2 + z^2 = 25 and x^2 + y^2 +
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2. 652 views
Change from rectangular to cylindrical coordinates. (Let r ≥ 0 and 0 ≤ θ ≤ 2π.)(a) (3, −3, 2) (b) (−2, −2sqrt3, 5)
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2. 1,052 views
Write the equations in cylindrical coordinates.(a) 3z = 2x^2 + 2y^2 (b) 7x^2 + 7y^2 = 4y
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2. 3,489 views
what is the solution to the following system?-2x-y=1 -4x-2y=-1
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2. 450 views
A stone is thrown vertically upward at 23 m/s. How fast is it moving when it reaches 14 m?
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2. 589 views
how do i figure out how fast a car is going when all i know is frequency?
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2. 336 views
-1/2 + 1/3 =Adding and subtracting fractions with rational numbers.
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2. 2,592 views
Why did Congress decide the election of 1800? Select twoa. based on the outcome, it was mandated by the us consitutuion *** b.
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2. 1,317 views
what was the flaw in the act passed by congress that established a tax on whiskey?a. it rewarded farmers who grew corn b. it did
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2. 5,928 views
x^3-(p+q-r)x^2+(pq-pr-qr)x+pqrHow to factor this??
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2. 501 views
How many electrons in CH3NH3+ ?
1. 1 answer
2. 1,028 views
Dissolved 0.7500 g calcium chloride dihydrate and impure, in distilled water and the volume was elevated to 200.00 mL in a
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2. 461 views
What is the oxidation state of Cr in K2Cr2O4?
1. 4 answers
2. 5,711 views
How do you calculate alkalinity in chemistry?Ex: List the values for total alkalinity for Sample A and Sample B A 104 drops of
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2. 417 views
What is the height of a cylinder with a volume of 384π cubic inches and a radius of 8 inches? Round to the nearest tenth of an
1. 2 answers
2. 1,662 views
Two investments totaling$49,500 produce an annual income of $1770. One investment yields 2% per year, while the other yields 4%
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2. 2,403 views
A 5.0 m portion of wire carries a current of 8.0 A from east to west. It experiences a magnetic field of 6.0 × 10^–4 T
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2. 1,010 views
There are 9 candidates running for 3 seats on a committee. How many different election results are possible?A. 36 B. 84 C. 504
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2. 1,043 views
Anita can clean a typical pool in 8 hours. Chao can clean a typical pool in 6 hours. How long should it take Anita and Chao
1. 74 answers
2. 16,597 views
The pressure P, of a gas varies inversely with its volume, V. Pressure is measured in units of Pa. Suppose that a particular
1. 2 answers
2. 2,181 views
A solution contains H2O2 in water. Complete decomposition of the H2O2 in 170 g of this solution yields 5.6 L of O2(g), measured
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2. 658 views
Read this excerpt from the prologue to act II of Romeo and Juliet:CHORUS: Now old desire doth in his death-bed lie, And young
1. 3 answers
2. 2,919 views
Under a spreading chestnut treeThe village smithy stands; The smith, a mighty man is he, With large and sinewy hands; And the
1. 4 answers
2. 1,228 views
Set up the simplified integral and compute the volume created when the area bounded by y=.25x4, y=4, and the y=axis (Quadrant 1)
1. 1 answer
2. 490 views
Three dynamics carts have force sensors placed on top of them.(cart 1, with mass of 2.2 kg, has one sensor --> cart 2, with mass
1. 4 answers
2. 8,003 views
A soccer ball is kicked toward the goal. The height of the ball is modeled by the function h(t) = −16t2 + 48t where t equals
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2. 1,067 views
A math test consists of 17 multiple choice questions,each with five possible answers (a, b, c, d, e), only one of which is
1. 1 answer
2. 874 views
I posted a question several days ago: The pH of human blood needs to be between 7.35 and 7.45. You want to prepare a buffer
1. 1 answer
2. 483 views
Hi, I am trying to find the pH of a buffer I created and then added NaOH to. This is my data:total volume of solution 34.2 mL
1. 2 answers
2. 531 views
Consider the following reaction.2 CO (g) + O2 (g) −→ 2 CO2 (g) What is most likely true about the entropy change for this
1. 2 answers
2. 1,053 views
If you launch a marble out of a launcher on a table with a given angle, and you know that range( distance it travelled) and time
1. 1 answer
2. 497 views
Find how many numbers bigger than 2,999 and less than 8,999 can be formed from the odd digits, if no digits can be repeated.
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2. 577 views
Weights of women are normally distributed with mean 143 pounds and standard deviation 29 pounds. If 36 women are randomly
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2. 1,152 views
Adult IQ scores are normally distributed with mean 100 and standard deviation 15. Find the IQ score that separates the adults
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2. 766 views
Which of these Transcendentalist ideas had the most direct impact on the civil rights movement of the 20th century? (6 points)
1. 4 answers
2. 2,276 views
What was the result of the Seneca Falls Convention in 1848? (6 points)A. Paulina Davis' shocking speech B. The Declaration of
1. 5 answers
2. 2,180 views
Which of the following best describes the contributions of Dorothea Dix? Dorothea Dix helped found the first homeless shelter
1. 3 answers
2. 2,524 views
The idea of "conversion" is best explained as which of the following? A. the process of cultural change brought about by
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2. 2,440 views
What was the main effect of the Civil War on the women's movement?A. The women's movement shifted their focus to helping widows
1. 9 answers
2. 5,621 views
Diagonalize the matrix A = [1,1;-2,4] using a similarity transformation. Give the transformation matrices such that (C^−1)AC =
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2. 872 views
Write a function that represents the situation. Find the balance A in the account after the given time period t.$2000 deposit
1. 1 answer
2. 1,599 views
Diagonalize the matrix A = [1,1;-2,4] using a similarity transformation. Give the transformation matrices such that (C^−1)AC =
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2. 519 views
Transform the matrix A=[5,−3;1,1], into a matrix B using the similarity transformation (C^−1)AC, with matrixC=[3,1;1,1].
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2. 580 views
Read this excerpt from a speech on women's rights delivered by Elizabeth Cady Stanton on July 19, 1848:We do not propose to
1. 11 answers
2. 3,856 views
a plane is heading 60 degrees east of south at 180 km/hr. a 50 km/hr wind blows in the direction of 25 degrees west of south.
1. 1 answer
2. 1,439 views
a ship travels 60 miles due east, then adjusts its course northward. after travelling 80 miles in the new direction, the ship is
1. 1 answer
2. 5,115 views
Are all relations equations?Is there any instances where a relation is not a relation
1. 1 answer
2. 373 views
Some constellations, such as Ursa Minor, are visible in the sky year-round; other constellations appear for only part of the
1. 1 answer
2. 845 views
write a translation rule that maps point D (7, -3) onto point D'(2,5)
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2. 490 views
Thomas needs to cut a piece of wood for a model airplane he is builing. He has four peices of wood: 5 ft, 4 ft, 6 ft, 3 ft long.
1. 1 answer
2. 1,523 views
What is it the word (I think verb) when someone bluffs to make a story more interesting or believable?Thank you, tutors, for
1. 5 answers
2. 673 views
If the markup is %50 and the selling price is $300, what is the initial price?Given answers: A $150 B $200 C $350 D $400 I asked
1. 2 answers
2. 831 views
Please help me with this problem, I'm not entirely sure on what to do to solve it. Thank you, tutors.The weight of an object is
1. 2 answers
2. 542 views
Please check the 6 questions with my answers. Thank you.Social Political Economic? For each of the following statements,
1. 3 answers
2. 649 views
Please review the question and my answer. Thank you tutors.Q: What did AGENTS do for the sugar plantations? My answer: Agents
1. 5 answers
2. 562 views
Please review the question and check my answer. Thank you tutors.Q: What was the Reciprocity Treaty? My answer: The Reciprocity
1. 2 answers
2. 664 views
Please review the question and my answer below. Thank you tutors.Q: Which modern-day shipping company was originally founded by
1. 3 answers
2. 517 views
Please review the question and check my answer below. Thank you tutors.Q: Which of the Big 5 companies were started by
1. 6 answers
2. 651 views
Please review the question and check my answer below. Thank you tutors.Q: What was the effect of the McKinley on the value of
1. 3 answers
2. 595 views
Please help me out on answering this question: For a working bibliography, how is a title for a website cited?Thank you tutors
1. 12 answers
2. 2,498 views
I'm currently working on a project for algebra in which we have to study two cab companies and their flat fees/how much they
1. 4 answers
2. 557 views
There are 4 problems that I don't understand how to solve so, please help me. A numerical explanation with words explanation
1. 3 answers
2. 1,028 views
A spring scale hung from the ceiling stretches by 6.1 cm when a 2.0 kg mass is hung from it. The 2.0 kg mass is removed and
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2. 3,603 views
Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a
1. 17 answers
2. 1,355 views
I have 3 questions with my answers and would like you to check them. If they're wrong, then please provide and explanation to
1. 5 answers
2. 1,730 views
I don't know how to answer this question. If you could provide me an explanation or an answer that would be much appreciated by
1. 4 answers
2. 639 views
I don't know how to answer this question, so if you could provide me an explanation or your answer that would be much
1. 0 answers
2. 488 views
I previously posted this today at 5:33 am and I am reposting this because I don't want this to be buried with other unanswered
1. 2 answers
2. 642 views
I previously posted this today at 5:39 am and I am reposting this because I don't want this to be buried with other unanswered
1. 3 answers
2. 540 views
Please check the questions/problems along with my answers. Thank you tutors.Writing Ratios 1. Top-of-the-line monster masks are
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2. 457 views
How do I answer this question/problem? I can't input the following scientific notations in a calculator and would like to know
1. 1 answer
2. 647 views
i need help explaining the difference between the distributive property and factoring
1. 1 answer
2. 609 views
1. The average individual should consume ______ calories on a daily basis.1,000 2,000 3,000 5,000 i think it is 2,000 but
1. 45 answers
2. 28,498 views
Choose the meaning that best matches the word in italics.The speaker spoke with such eloquence and passion that he received a
1. 3 answers
2. 1,321 views
Find two positive numbers such that the sum of the first and twice the second is 100 and their product is a maximum.
1. 1 answer
2. 8,210 views
Using what you have learned about President George Washington, which of these government characteristics would George Washington
1. 4 answers
2. 2,389 views
Prove that (1 + cos) / (sin + tan) = cot
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2. 393 views
1. Who controlled the most territory bordering the Louisiana Purchase?Spain France Great Britain Mexico 2. What was George
1. 16 answers
2. 1,985 views
Which of the following describes the effect of the 1763 Treaty of Paris on France's American land holdings?A. France retained
1. 1 answer
2. 1,184 views
x=3 y=43x=11 y=43 x=19 y=43 x=27 y=43 ...and so on. what equation will fit this data?
1. 1 answer
2. 402 views
What does the vocabulary word "purl" mean?a.) to spin in place b.) a lustrous gem found in sea mollusks c.) swirl I cannot
1. 3 answers
2. 1,058 views
According to Al Gore in An Inconvenient Truth, how is wind power beneficial in the fight against global warming?a.) it uses wind
1. 10 answers
2. 5,899 views
List all of the subsets of the following set: {-2, 2}A.) {2};{-2};{-2,2} B.) {};{-2};{2};{-2,2};{2,-2} C.) {};{-2};{2};{-2,2}
1. 3 answers
2. 3,004 views
I have 3 questions and 3 of my answers. Each question needs 2 answers. Please review them all. Thank you. I will post 3 more
1. 0 answers
2. 1,171 views
During lab students are asked to set up the Atwood's device shown in the diagram below. Mass 1 = 4.50 kg and mass 2 = 2.10 kg.
1. 0 answers
2. 370 views
This is not a question, but six problems with answers, so please review them. If I have any wrong then please explain how to do
1. 6 answers
2. 1,818 views
1. what trig function has an amplitue of 1 and negative values for angles between π/2 and π?2. what trig function never
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2. 909 views
What does a chameleon do for the environment?
1. 0 answers
2. 469 views
can i have a kid definition of contagion ? or maybe a simplified definition ? thank you, i can search it up, but i want to have
1. 3 answers
2. 540 views
how did You Chong, a Chinese bookkeeper for a grocer on Maunakea near Hotel St., contract plague ? please answer with your
1. 2 answers
2. 444 views
please review the questions and table and check my answers. tank you tutors.table planets' orbital velocity planet orbital
1. 3 answers
2. 1,783 views
atmospheric temperature changes the state of these things, but i do not know to what?diamond, mercury, oxygen, clay, neon, and
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2. 422 views
π/10 = (0.95, 0.31)3π/10 = (3/5, 4/5) 20° = (28/30, 10/30) are these correct? tan 70° = 28/10 csc 21π/10 = 1/0.31 sec
1. 1 answer
2. 351 views
sin θ=2/3 and θ correspond to a point in quadrant 2. cos θ=
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2. 387 views

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