# Nathaniel

Most popular questions and responses by Nathaniel
1. ## Chemistry

How much work (in J) is required to expand the volume of a pump from 0.0 L to 2.3L against an external pressure of 1.0atm ?

2. ## chemistry

If 1.00 mol each of carbon dioxide and hydrogen is initially injected into a 10.0-L reaction chamber at 986 degrees Celsius, what would be the concentrations of each entity at equilibrium? CO2(g) + H2(g) „²„³ CO(g) + H2O(g) k = 1.60 for 986 degrees

3. ## math

The model of a new apartment building is 10 in, x 28 in x 18 in. the architect plans for the new building to be 144 times the size of the model. What will the volume and surface area of the new building be when it is completed? 10 x 18 x 28 = 5040 x 144^3

4. ## Physics

A ray of light of frequency 5.09 x 10^14 Hz passes from air into flint glass (n=1.6). a.) If the ray enters the flint glass at an angle of 30*, what is the angle of refraction? b.) What is the critical angle for a ray of light traveling from flint glass to

5. ## social studies

What is the difference between climate and weather?

6. ## Calculus

Sand is being dumped from a conveyor belt at a rate of 20 cubic ft/min into a pile the shape of an inverted come whose diameter and height are always the same. (a) Find the rate of increase of the height when the pile is 10ft high. This is a 2 part

7. ## Calculus

Hello, I posted a question earlier but now I'm stuck on the second part of the question. Please help me. Sand is being dumped from a conveyor belt at a rate of 20 cubic ft/min into a pile the shape of an inverted cone whose diameter and height are always

8. ## spelling

unscramble the sentence the was about one an west old outlaw film in

9. ## physics

A projectile is fired and lands t = 14 s later on the side of a hill, at a location 1400 m away horizontally and 420 m above its starting point. Find the projectile's initial horizontal velocity vx0 and initial vertical velocity vy0. Assume g = 10 m/s2.

10. ## Math

A student ticket to a flower show costs \$6.00 plus a 5% handling fee. The local schools receive a special group discount. A scholl can determine the total cost of tickets by using the formula below. T = Total cost N = Nmber of tickets purchased D =

11. ## physics

A(n) 1.62 kg sphere makes a perfectly inelastic collision with a second sphere that is initially at rest. The composite system moveswith a speed equal to one-third the originalspeed of the 1.62 kg sphere. What is the mass of the second sphere

12. ## science

Ice erodes and deposits sedimebts to form ______ what? river beds? Glacial beds? I am not certain of the context here.

13. ## Physics

In a labratory experiment, a student measured the period of a swing for a 1 -kg pendulum for varing lengths, as shown below. Length (m) Period (s) 0.05 0.30 0.20 0.90 0.40 1.30 0.60 1.60 0.80 1.80 1.00 2.00 a.) Deterine the period of a pendulm whose length

14. ## science

how many kinds of different kinds of measurements would you need to make in order to calculate the speed of something????

15. ## Calculus

Two sides of a triangle have constant lengths a and b, and the angle between them is theta. What value of theta will maximize the area of the triangle? so far i have the formula and the derivative. A=.5absin(theta) A'=.5abcos(theta) then i set the

16. ## Physics

Electrons are ejected from a surface with speeds ranging up to 6.0 x 10^5 m/s when light with a wavelength of 400 nm shines on it. a.) What is the work function of this surface? b.) What is the threshold frequency for this surface? c.) What is the

17. ## Physics

An electrostatic force of 5 N exists between two identical point charges, each of mass 0.01 g, placed 4 mm apart. a.) Find the magnitude of each charge. b.) One of these charges is placed into a magnetic field. Assuming that the charge has a speed of 50

18. ## math

graph y=-2x and y=-x squared what points do the graphs have in common? Describe how the graphs are different.

19. ## Math

If the pants are not on sale and there is a 6.25% sales tax, how much will Bill pay for the pants

20. ## Math

The Andromenia Spiral is a galaxy 2,200,000 light years from Earth. write this distance in scientific notation

21. ## math

10^(-10log3) How to solve this???

22. ## physics

A rock is thrown horizontally from a bridge with a speed of 30.3 m/s. If the rock is 27.2 meters above the river at the moment of release, a)how long the rock is in the air? b)what is the horizontal distance to the point of impact from the point of

23. ## COM 220

What kinds of statistics, graphs, or illustrations could the author have included in the essay the communication collapse

Why are federal judges appointed and not elected?

25. ## Math

Name a polygon that has 5 sides

26. ## math

A method for solving 5(x-2)-2(x-5)=9 is shown below.Identify the property used as you continue from step 2 to step 3 1:5x-10-2x+10=9 2:5x-2x-10+10=9 3:3x=0=9 4:3x=9 5:x=3

27. ## Physics

A 3 kg book is resting on a table. What force does the table exert on the book?

28. ## Physics

A ship is first seen on a radar screen to be 9 km east of the radar site. Some time later, the ship is at 18km northwest. What is the displacement of the ship from the first location it is seen at? 25.2 km (INSERT ANGLE HERE?!?) degrees north of west

29. ## Math

What is 15 more than one-third of a number (m)?

30. ## physics

What is the wind speed in m/s required to keep a great white shark suspended in midair during a summer day on the California beach? Details and assumptions Model the shark as a horizontal cylinder 6 m long and 1 m in diameter. The air is at a pressure of 1

The question is show how the commutative property of addition works using 2,3,and 5.

32. ## Math

do you mean 1/4 x y or 1/4 divided by y?

33. ## social studies

Scientists think adding CO2 to the atmosphere will affect the earth's climate. What effect is predicted?

34. ## Math

x over 4 equals 9.2 what is x

35. ## Math

Find the LCM of 12,24, and 30

36. ## Math

How many quarts are in 4.25 gallons

37. ## Math

A bag contains 5 red, 5 blue, 5 green, and 5 white marbles. Two marbles are drawn, but the first marble is not replaced. Find P(red, then blue)

38. ## Physics

A ship is first seen on a radar screen to be 9 km east of the radar site. Some time later, the ship is at 18 km northwest. What is the displacement of the ship from the first location?

40. ## English

When writing a literary analysis on a book series, how to you denote the series title differently than the title of an individual book?

41. ## history

self made millionare who started door to door sales

42. ## math

what is 1 4/7 divided by 1 5/6

43. ## math

what is 1/3 + 1/3 = ?

44. ## Math

Ineed to find out, one fourth of y. I think is 1/4 not sure! Thanks

45. ## math

find the base of a triangle whose height is 1.7 feet and whose area is 1.87ft2

46. ## Physics

A ship is first seen on a radar screen to be 9 km east of the radar site. Some time later, the ship is 18 km northwest. What is the displacement of the ship from the first location it is seen at?

47. ## english

what are some sub details in education

48. ## math

a person climbs to the top of the mountain at a rate of 1.5 kl/hr and down the same way at at rate of 4.5 kl/hr. If he was gone for 6 hours, how far did he travel from the top of the mountain ?

49. ## math-calc

Two sides of a triangle have constant lengths a and b, and the angle between them is theta. What value of theta will maximize the area of the triangle? so far i have the formula and the derivative. A=.5absin(theta) A'=.5abcos(theta) then i set the

50. ## Math

a can of tennis balls has a height of 12 inches and a radius of 1.5 inches. What is the volume of the can to the nearest tenth

51. ## Math

Write the number that is 19% of 70

52. ## Math

Find the area of a parallelogram with a base of 6.2 meters and a height of 9.3 meters. round the the nearest tenth

53. ## Math

find the interest to the nearest cent on a principal of \$1,000 borrowed at a rate of 12.5% annually for 3 years

54. ## Math

Bob turned on the air conditioning, and the temperature decreased 8 degrees. write an integer to represent the drop in temperature.

55. ## Math

If pants are on sale for 30% off, how much will pay if the pants are \$19.95

1. ## Math

Q#1:Your pickup truck weighs 4200 pounds. Write an inequality to represent the number of pounds your truck can carry and still qualify as a passenger vehicle. Then solve the inequality. A:Your truck can carry at most 4,300 pounds. Q#2:A cubic yard of sand

posted on March 20, 2019
2. ## English

Against for the motion

posted on February 8, 2019

How about... no Mrs. Teacher lol

posted on October 17, 2018
4. ## Language Arts

i need help with the essay

posted on May 29, 2018
5. ## math help !

i need answers to the whole functions unit test.

posted on May 29, 2018
6. ## Math

its A, goes up by 11.

posted on May 21, 2018
7. ## math

is there a width provided?

posted on May 21, 2018
8. ## algebra

y = 2x-6 y represents Lisa's age. x represents Chris'.

posted on November 5, 2016
9. ## Physics

How did you determine the angle?

posted on November 5, 2016
10. ## Spanish

B looks correct, yes. A is misspelled, C unconjugated, and D misspelled.

posted on November 5, 2016
11. ## chemistry

-1367

posted on July 14, 2016

42 24/25

posted on January 28, 2015
13. ## Physics

1.895214166 s

posted on October 30, 2014
14. ## math

do u know how I could find this in a way that creates a fractional form?

posted on March 18, 2013
15. ## math

would a negative in front of the log cause this?

posted on March 18, 2013
16. ## Physics

0.0075m

posted on January 28, 2013
17. ## math

thank you =D

posted on December 6, 2010
18. ## Math

thanks =D

posted on October 11, 2010
19. ## math

Measure the distance of the diagonal (from one corner to the opposite corner) of the screen on your computer monitor to the nearest tenth of a centimeter or sixteenth of an inch. Measure the height of the screen along the vertical as well. Use the

posted on July 30, 2009
20. ## Math

thanks

posted on July 24, 2008
21. ## Math

Thank you for everything

posted on July 23, 2008
22. ## Math

ok

posted on July 23, 2008
23. ## Math

120

posted on July 23, 2008
24. ## Math

would the answer be squared at the end

posted on July 23, 2008
25. ## Math

sorry i meant 57.70m2

posted on July 23, 2008
26. ## Math

58.70m2

posted on July 23, 2008
27. ## Math

58m2

posted on July 23, 2008
28. ## Math

17 quarts

posted on July 23, 2008
29. ## Math

Pentagon

posted on July 23, 2008
30. ## Math

375

posted on July 22, 2008
31. ## Math

k

posted on July 22, 2008
32. ## Math

Thanks

posted on July 22, 2008
33. ## critical thinking

how can a person distinguish between the prejudicial and nonprejudicial use of rhetorical devices

posted on February 27, 2008