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Kelly
Questions (822)
how many joules are required to heat a frozen can of juice (360 grams) from -5C (the temperature of an overcooled refrigerator
3 answers
2,719 views
What mass of Zn will be dissolved in 10 mL pH=2 HCl solution?
Zn + 2HCl--> ZnCl2 + H2
1 answer
618 views
The collision between a hammer and a nail can be considered to be approximately elastic. Estimate the kinetic energy acquired by
2 answers
893 views
The collision between a hammer and a nail can be considered to be approximately elastic. Estimate the kinetic energy acquired by
2 answers
1,704 views
Suppose now that the air carts below are both moving to the right initially. The cart to the left has a mass m1 and an initial
2 answers
784 views
The energy difference between states A and B is twice the energy difference between states B and C (C > B > A). In a transition
0 answers
715 views
A 150.0 g aluminum cup is filled with 450. g of water at 95℃. The combination cools uniformly by 1.20℃ per minute. At what
0 answers
645 views
This isn't a specific math question. I'm just looking for some tips for my calculus midterm tomorrow. I'm terrible at math and I
3 answers
746 views
Why is Whitman the father of America's poet in Emerson's point of view?
1 answer
561 views
Why Emerson considered man is an analogy? And What is th relationship between human, god and nature in Emerson's point of view?
1 answer
573 views
***EXTRA CREDIT*** Figure 8-33 shows a 1.50 kg block at rest on a ramp of height h. When the block is released, it slides
1 answer
891 views
In Figure 8-34, a 1.2 kg block is held at rest against a spring with a force constant k = 785 N/m. Initially, the spring is
1 answer
690 views
An object moves along the x axis, subject to the potential energy shown in Figure 8-24. The object has a mass of 1.8 kg, and
2 answers
2,611 views
An object moves along the x axis, subject to the potential energy shown in Figure 8-24. The object has a mass of 1.8 kg, and
1 answer
1,890 views
In Figure 8-34, a 1.2 kg block is held at rest against a spring with a force constant k = 785 N/m. Initially, the spring is
1 answer
735 views
Figure 8-33 shows a 1.50 kg block at rest on a ramp of height h. When the block is released, it slides without friction to the
0 answers
990 views
This week, the Laketown Cruise Company took its boat on 19 cruises, carrying the boat's full capacity of 46 guests on each
0 answers
548 views
What are the similarities and differences of federal and state systems?
1 answer
420 views
The diffusion coefficient for calcium ions crossing a biological membrane 10nm thick is 300 micrometers squared/second and the
1 answer
648 views
Hey
1)how do you estimate the line widths (full width half maximum) of the peaks arising from: (a) The emission of a hollow
0 answers
449 views
Solid carbon dioxide (dry ice) goes from solid to gas at -78C. The molar heat of sublimation is 25.3 kj/mol. In one experiment
1 answer
1,122 views
Check my work.
Calculate the correct time in brackets: 1. 1:00am at 30W = (11:00pm) at 60W 2. 3:00pm at 15W = (1:00pm) at 45W 3.
1 answer
765 views
Reacting 959 mol of SiO2 with excess carbon yields 28.8 kg of SiC. What is the percentage yield?
SiO2 + 3C--> SiC + 2 CO
1 answer
574 views
2 KClO3(s)--> 2 KCl(s) + 3 O2(g)
How many milliliters of O2 will form at STP from 38.8 g KClO3?
2 answers
826 views
the ratio of single screen theaters to multiple screen theaters is 1 to 15. if there are 9 single screen theaters, how many
3 answers
405 views
Write the condensed structure for Methylpropyl ether
Would it be C4H11O? CH3-O-CH3CH2CH3
1 answer
715 views
When 0.767 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 125C is observed.
Assume the
2 answers
561 views
How do you express these problems as single trigonometric function values or as single numbers, using identities?
1.
0 answers
463 views
Most climate models show that the poles will warm faster than the tropics. What effect will this have on winter storms in the
0 answers
613 views
An airplane is flying on a bearing of 80 degrees at 540mph. A wind is blowing with a bearing of 100 degrees at 55mph. Find the
1 answer
2,297 views
The function H described by H(x)= 2.75x + 71.48 can be used to predict the height, in centimeters, of a woman whose humerus( the
1 answer
485 views
80% of what number is 20?
Would this be 100?
1 answer
309 views
The digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 are repeated in such a way that when the digits repeat the greatest digit is removed:
1 answer
481 views
1.What did the story implies? (in history)
2.Why the author discuss about the relationship between England and America through
1 answer
592 views
The cause of America is in a great measure the cause of all mankind. Many circumstances hath, and will arise, which are not
3 answers
1,472 views
Why is Thomas Paine the Spokesmen of American Revolution?
1 answer
696 views
American Lit
how did Jonathan Edwards balance his idea and his religion?
1 answer
574 views
how did Jonathan Edwards balance his idea and his religion?
1 answer
480 views
Find the sum of the first four terms of the geometric sequence with a = -3 and r = 3.
I have NO idea how to attempt to solve
1 answer
1,049 views
Burning fuels in power plants or motor vehicles emit carbon dioxide, which contributes to global warming. Table 1.3 displays CO2
3 answers
2,259 views
I'm doing this word search for my 9th grade honors physical science class, and i don't understand one thing. it says 'blue,
11 answers
1,258 views
Please help with graphing a quadratic function. y=(x-1)^2 Got stuck at y=(x-1)(x-1) and p=1, q=1 Which doesn't work, because you
2 answers
526 views
1.For one day, keep track of what you do from the time you get up until the time you go to bed. For each hour, record one of
1 answer
540 views
I am suppose to write an essay on a Moral Issue of my choice, but I do not really remember all of the Moral Issues, can someone
2 answers
540 views
What does it mean when an author uses a chronological and necessarily episodic structure to keep their main character at the
1 answer
453 views
What is a fictionalized autobiography and a vernacular?
2 answers
488 views
Yeah I know it is! But it's really confusing me and it's what my teacher wants. Say I was to pick a height of 25m and a Velocity
1 answer
399 views
How can you solve for that problem, by using another approach?
1 answer
346 views
Three identical balls are thrown from a cliff of height, h, above a horizontal plane. One ball is thrown at an angle of 45
1 answer
1,275 views
If a ball is thrown off a 17.9m roof with the velocity of 23.9m/s and it takes 1.91sec to reach the ground, What is the
1 answer
404 views
While on a trail, a mountain biker encounters a sandy patch that is 7.1 m long. The speed of the bike entering the patch is 10.1
1 answer
585 views
Can someone please check the grammar in these last two for me. I posted this about 8:00 and no one ever answered. I do
1 answer
473 views
Can you please check these last two for me. Thank You and have a great evening.
The tension that Irene has towards Bellew shows
2 answers
505 views
Can you please check the grammar in these two separate points. Thank you.
Irene shares with Clare how her daughter would be
2 answers
482 views
Can you please just check the grammar in this for me.
Larsen's theme goes to prove that when somebody is unable to recognize
2 answers
467 views
Private colleges and universities rely on money contributed by individuals and corporations for their operating expenses. Much
2 answers
1,284 views
Explain the significance of the title Quality by John Galsworthy
2 answers
1,400 views
Analysis the double voice in Anne Bradstreet's poem....."The Prologe" "The Author to Her Book"
3 answers
1,279 views
The double voice in Anne Bradstreets's poem.
1 answer
592 views
The double voice writer in 18th century of American Lit. And the double voice is...?
1 answer
469 views
What's the Puritan Thought in Mary Rowlandson, ¡§A Narrative of the Captivity and Restoration of Mrs. Mary Rowlandson¡¨?
1 answer
501 views
What's the Ideological conflict in the eighteenth century of United States?
1 answer
526 views
A golf club 1.01 m long completes a downswing in 0.25 s through a range of 180°. Assume a uniform (constant) angular velocity,
2 answers
1,436 views
Suppose that the probability distribution of a random variable x can be described by the formula
P(x) = x/15 For each of the
0 answers
737 views
I have to write and essay on A Country Divided, describing the evolution of events that divided America and led to succession,
1 answer
562 views
Write the numeral in base ten.
7001eight.
3 answers
789 views
Use each of the numbers 7, 8, 9, 10, and 11 once and only once to fill in the circles so that the sum of the numbers in the
4 answers
708 views
What percent of students in the college are history majors (to the nearest tenth of a percent)?
200 students major in math 300
4 answers
2,077 views
The bar graph below shows the numbers of various colors of cars owned by the employees of a certain business. Write five ratios
7 answers
1,040 views
Write the percent as a fraction in the lowest terms. 0.05%
Would it be 1/20?
2 answers
557 views
Sales of frozen pizza for a club fund-raiser increased from 500 one year to 575 the next year. What was the percent of increase?
2 answers
729 views
Use a proportion to solve the problem.
On Anne's bicycle, the ratio of pedal turns to rear-wheel turns in second gear is 4 to 7.
3 answers
2,633 views
Write the numeral in base ten.
7001eight.
2 answers
488 views
Name the property of addition that has been applied.
5 + 8 = 8 + 5
2 answers
359 views
Use inductive reasoning to predict the next number in the sequence. Describe the pattern.
0, 3, 3, 0, -3, . . . I know the next
1 answer
1,556 views
Use each of the numbers 7, 8, 9, 10, and 11 once and only once to fill in the circles so that the sum of the numbers in the
5 answers
1,325 views
Determine what the next equation would be, and verify that it is indeed a true statement. Describe the pattern.
9x9=81 99x99=9801
2 answers
970 views
Mr. Smith has 17 18-cent notebooks and 7-cent pencils. The notebooks and pencils are worth $1.85. How many notebooks and how
2 answers
720 views
I'm having trouble with part of a question in a problem set. The question reads as follows:
Continuous price discounting. To
1 answer
1,165 views
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In the experiment, the angles between the laser and the optical bench, θbench, and between the
1 answer
722 views
A person walked 3 miles at 30 degrees to the horizontal, 2 miles at 100 degrees to the horizontal, 5 miles at 240 degrees and 1
1 answer
370 views
Which of these two molecules is LESS involved in cell communication?
Carbohydrates OR Lipids
0 answers
438 views
Suppose you want to take a chest X-ray with an X-ray source that has a divergence of 2^o . If the film is 1 meters from the
1 answer
1,168 views
The acceleration of a certain rocket is given by a(t)=bt where b is positive constant compute the the average velocity of the
2 answers
555 views
with quadratic functions how do you know if a parabola on a graph is supposed to open upwards or downwards?
ex. y=-4(x+1)2+4 [The
2 answers
486 views
Human tissue cells seem to fit together like pieces of a jigsaw puzzle. How is this arrangement of cells helpful to an organism?
2 answers
2,096 views
A mass of 11.6g of phosphoric acid was produced from the reaction of 10g of P4O10 with 12g of water. What was the percent yield
1 answer
1,642 views
What does the metaphor Path in the Snow mean?
2 answers
490 views
What does the metaphor Path in the Snow mean?
3 answers
441 views
What does the metaphor Path in the Snow mean?
0 answers
429 views
Scenario:
You've been put in charge of planning a one day departmental training seminar with Dr. Melanie Dobler as the speaker.
1 answer
618 views
Factor.
45c+25d could someone guide me how to start this? thanks
2 answers
545 views
How do you measure starch on a food label?
3 answers
439 views
I see that this is a quadratic equaion and it has been a while sense I have taken algebra 1.... I don\'t know how to solve for
1 answer
558 views
In 1990, there were an estimated 145.0 million passenger cars registered
in the United States. The total number of vehicles
1 answer
541 views
is there any other game like Supersecret online?
any one in which you don't have to make an account or anything like that? please
2 answers
397 views
How do the properties of methane relate to its molecular structure?
1 answer
426 views
So I'm dong a lab about simpkle harmonic motion and I have to answer questions at the end of the lab were I'm provided this
6 answers
1,697 views
So I'm doing a lab about simple harmonic information and I have to answer questions at the end of a lab were I'm provided this
3 answers
649 views
So I'm doing a lab about simple harmonic information and I have to answer questions at the end of a lab were I'm provided this
0 answers
615 views
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