Ashleigh

This page lists questions and answers that were posted by visitors named Ashleigh.

Questions

The following questions were asked by visitors named Ashleigh.

How does osmosis explain the fact that a watery syrup forms when you put sugar on strawberries? I searched Google under the key words "<I>osmosis</I>" to get these possible sources: (Broken Link Removed) http://en.wikipedia.org/wiki/Osmosis I hope this he...

18 years ago

How far can a person run in 15 minutes if they run at an average speed of 16km/hr?

17 years ago

I need help to unscramble this word MEFHSKAIT

17 years ago

if a DC motor uses a775 coulombs of charge in 15 seconds,how much current is produced

17 years ago

Can some one please explain the set of real numbers as a field to me?

17 years ago

My science homework questions is: You measure the boiling temperature of 3 clear liquids. 1 of them boils at 100C. The other 2 at 85C and 115C. How can you use numbers to identify the first liquid? Can someone help?

17 years ago

How much heat is required to vaporize 1.00 L of CCl4 at its normal boiling point? The following data are given for CCl4. Normal melting point, -23 degree celcius , normal boiling point, 77 degree celcius density of liquid 1.59 g/mL; ; enthalpy of fusion 3...

16 years ago

for my homework assignment i have a picture of Michaelangelo , creation of Adam painting i have to describe what i think is happening in the painting and also write a story about the painting . Ive described the painting but i am struggling with the story...

16 years ago

famous dancers or dances in relation to hip hop.

16 years ago

describe two ways some caribbean families preserve their cultural traditions

15 years ago

If the change in position Dx is related to velocity v (with units of m/s) in the equation Dx = Av, the constant A has which dimension? a. m/s^2 b. m c. s d. m^2 I chose b?

15 years ago

THE HUMAN CANNONBALL - AGAIN! (2 pts) On July 23, 1997, Washington County, in Oregon was advertising their Fair & Rodeo special attraction on the Internet: "As the countdown begins, David Smith, Jr. - THE BULLET - puts on his safety helmet, slides down th...

15 years ago

What is the improper fraction 61/7 written as a mixed number ?

15 years ago

I have to make a resume and my teacher wants us to include any professional memberships. Does honor society (in college) count? If not, please include some examples of professional memberships. Thank you!

15 years ago

How is the air motion in the eye of a hurricane similar to the air motion at a high pressure center?

15 years ago

What is the simple and complex for this sentence. Making a bad grade on such an easy spelling test is such an embarrassment.

15 years ago

Estimate the force with which a karate master strikes a board if the hand's speed at time of impact is 4.78m/s, decreasing to 1.55m/s during a constant time of 0.00239 s with the board. The mass of coordinated hand and arm is 0.701 kg. Answer in units of...

14 years ago

Blood of density 1010kg/m^3 that is to be administered to a patient is raised about 1.51 m higher than the level of the patient's arm. How much greater is the pressure of the blood than it would be if the container were at the same level of the arm? The a...

14 years ago

a lead bullet is placed in a pool of mercury. what fractional part of the volume of the bullet is submerged?

14 years ago

Glycerin in water diffuses along a horizontal column that has a cross-sectional area of 2.3cm^2. The concentration gradient is 0.028 kg/m^4, and the diffusion rate is found to be 5.8 x 10 ^-15 kg/s find the diffusion coefficient in units of m^2/s.

14 years ago

The motion of a certain simple harmonic oscillator is described by: x(t) = (12 cm) sin [(1 s ^(-1)) t] What is the earliest time t > 0 or t = 0 at which the oscillator's velocity is zero?

14 years ago

A copper rod is given a sharp compressional blow at one end. The sound of the blow, traveling through air at -2.79 degrees Celsius, reaches the opposite end of the rod 9.39ms later than the sound transmitted through the rod. What is the length of the rod?...

14 years ago

Compressing gases requires work and the resulting energy is usually converted to heat; if this heat does not escape, the gas's temperature will rise. This effect is used in diesel engines: The compressed air gets so hot that when the fuel is injected, it...

14 years ago

An unclothed student is in a 27 degree Celsius room. If the skin temperature of the student is 37 degree Celsius, how much heat is lost from his body in 18 minutes, assuming that the emissivity of the skin is 0.91 and the surface area of the student is 1....

14 years ago

The gaseous product of a reaction is collected in a 25.0-L container at 27 C. The pressure in the container is 216 kPa, and the gas has a mass of 96.0 g. What is the molar mass of the gas?

14 years ago

Ok...this is a super dumb question, but is an electric field best described as fact, hypothesis, theory or all of these? I think that it is fact, since there are means of measuring the electric field of something, but I could be wrong. They have found fos...

14 years ago

What are three methods scientists use to form scientific explainations ?

14 years ago

I'm helping my daughter with Algebra homework and I've forgotten how to solve the following. x/2-12 = -3 + x Can someone help

14 years ago

A gas mixture contains oxygen and argon at partial pressures of 0.60 atm and 425 mmhg. If nitrogen gas added to the sample increases the total pressure to 1250 torr, what is the partial pressure in Torr of the Nitrogen added? Steps for solving this proble...

13 years ago

Hello everyone. I have a question that I am having difficulty answering. I can not figure out the synthesis of MELPHALAN, a cancer fighting drug. If anyone has a clue, please help! Thanks, Ashleigh

13 years ago

A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus the diameter of the semicircle is equal to the width of the rectangle.) If the perimeter of the window is 24 ft, find the value of x so that the greatest possible amount of lig...

13 years ago

If the correlation coefficient is 0.790, what is the explained variation? A. 37.6% B. 62.4% C. 79% D. 21%

13 years ago

In a survey of 1000 eligible voters selected at random, it was found that 200 had a college degree. Additionally, it was found that 90% of those who had a college degree voted in the last presidential election, whereas 47% of the people who did not have a...

13 years ago

Express the concentration of a 2.0 M NaOH solution as a mass/volume percent.

13 years ago

What volume of water should be added to 500 mL of a 1.0 mol/L CuSO4 solution to dilute it to 0.5 mol/L?

13 years ago

Express the concentration of a 2.0 M NaOH solution as a mass/volume percent. Can you please explain how to get the answer?

13 years ago

The first sample had 49 subjects and 7 had blue eyes. The second sample had 465 subjects and 244 of these had blue eyes. What is the value of the pooled estimate of the proportion used to test the hypothesis that the population proportions of blue eyes ar...

13 years ago

Determine the hydronium ion concentration in a solution that is 0.00018 M Ca(OH)2. Answer in units of M

12 years ago

a 20.0ml sample of HCL solution is placed in a flask with a few drops of indicator. If 30.0ml of a 0.240 M NaOH solution is needed to reach the endpoint, what is the molarity of the HCL solution?

12 years ago

A metal object with a mass of 19g is heated to 96 degrees celcius, then transfered to a calorimeter containing 75 g of water at 18 degrees celcius. The water and metal object reach a final temperature of 22 degrees celcius. What is the specific heat of th...

12 years ago

A girl is three years older than her brother. If their combined age is 35 years, how old is each?

11 years ago

Ace's grandfather is 3 years older than Ace's grandmother. Their combined age is 121 years. How old is each?

11 years ago

What is the osmotic pressure of a solution made from dissolving 60.0g of glucose, C6H12O6, in 450 mL of water at 10.0∘C?

11 years ago

The school band is comprised of middle school students and high school students, but it always has the same maximum capacity. Last year the ratio of the number of middle school students to the number of high school students was 1:8. However, this year the...

11 years ago

A student is swinging a 9 kg ball in a circular path in the vertical plane. Consider the instant when the string is horizontal as the ball is on its way up as shown in the figure. At this instant, the instantaneous tangential speed is 6 m/s, and the radiu...

11 years ago

Set up and solve a system of equations to solve the application. A rectangular area of 525 square feet is enclosed using 100 feet of fence. What are the dimensions?

10 years ago

6cos^2(x)-5cos(x)-6

10 years ago

A committee of 100 Democrats is formed with 22 members from the East, 38 members from the Midwest, and 40 members from the West. If a random sample of 3 members from this committee is selected, what is the probability to the nearest percent that all 3 are...

10 years ago

You're driving along at 101 km/hr on a rainy day. Suddenly a deer jumps out 30 m ahead of you. You slam on the brakes of your 1972 Mustang (no ABS) with Goodyear tires (coefficient of kinetic friction= 0.525, coefficient of static friction=0.750). Will yo...

10 years ago

A 4-person bobsled team pushes the 330 kg sled down the 6.0 degree hill with a force of 1780 N. The coefficient of friction for ice and the runner is 0.135. How fast will the sled be moving at the end of the 40m push? Answer is in meters/second

10 years ago

What might the lengths of a horse enclosure border be if the area of the enclosure is 52 square yards?Be sure to give evidence to support your thinking. Draw a picture to support your answer?

9 years ago

Explain why a multiple of 80 is also a multiple of 8.

8 years ago

If an experiment is to be useful, only one variable at a time can be manipulated intentionally this is the what variable.

3 years ago

Answers

The following answers were posted by visitors named Ashleigh.

I need help please ASAP

16 years ago

So it'd be C?

15 years ago

Simple and complex subject I mean! Sorry! ^_^

15 years ago

Oh I am sorry! I wasn't focusing and kept putting complex! Thank you, Ms. Sue for all your help!

15 years ago

Much easier than I thought: Pressure = (1010 kg/m^3) x (1.51 m) x (9.8 m/s^2) = 14,945.98 Pa Thanks!

14 years ago

I figured this question out: F = (mass of the arm x change in velocity)/time So, ((0.701kg.)(4.78m/s-1.55m/s))/(0.00239s) = 947.376569 And shear stress is F/Area = (947.376569N)/((0.0635m)(0.0131m))

14 years ago

Perfect! Since the density of lead is 11.3 x 10^3 kg/m^3 and the density of mercury is 13.6 x 10^3 kg/m^3, the answer is 0.831. Thanks much!

14 years ago

I get 9.00621 x 10 ^-11 m^2/s but the computer says that is wrong. I used the equation, Diffusion rate = DA (concentration gradient) where A is area and D is what we are looking for.

Another name for your windpipe would be the trachea

14 years ago

B. seawater

13 years ago

How did you get that answer?

What about the grandfathers age??

11 years ago

16% out of 20% perfer not to wear school uniforms so technically the 4% would not even count so the percent is 16%.

9 years ago

In the Odyssey, what roles are played by the female characters you encountered in this unit? Describe some of these female characters, their traits, and the roles they played within the selections you read, especially considering that all of those selecti...

How much energy is needed to raise the tempreture of 2.0kg of aluminium by 30 degreese celcius

7 years ago