# Questions Asked onMarch 22, 2014

1. ## Chemistry

Complete and balance the equation for this reaction in basic solution? Redox reaction Cr is oxidized to CrO42– and Fe3 is reduced to Fe2...? For a particular redox reaction Cr is oxidized to CrO42– and Fe3 is reduced to Fe2 . Complete and balance the

2. ## Math

Suppose that Ramos contributes $6000/year into a traditional IRA earning interest at the rate of 2%/year compounded annually, every year after 35 until his retirement age at age 65. At the same time, his wife Vanessa deposits$4900/year into a Roth IRA

3. ## math

solve the equation 5coshx + 3sinhx = 4

4. ## Physics

Consider two diffraction gratings. One grating has 3000 lines per cm, and the other one has 6000 lines per cm. Both gratings are illuminated with a beam of the same monochromatic light. Which grating produces the greater dispersion? Both gratings produce

5. ## Urgent Chemistry

The Heisenberg Uncertainty Principle: A student is examining a bacterium under the microscope. The E. coli bacterial cell has a mass of mm = 0.100fg\rm fg (where a femtogram, fg\rm fg, is 10−15g\rm 10^{-15}\; g) and is swimming at a velocity of vv =

6. ## Chemistry

an extremely soluable salt is added to water, and all of it dissolves. is it at equilibrium? explin.

7. ## chemistry

calculate the freezing point of an aqueous solution of 15.5 grams of glucose dissolved in 150 grams of water

8. ## physics

A 2400 kg car moving at 11 m/s crashes into a tree and stops in 0.26 s. calculate the force the seat belt exerts on passenger in the car to bring him to a halt the mass of the passenger is 72 kg.

9. ## college physics 2

A double-slit diffraction pattern is formed on a distant screen. If the separation between the slits decreases, what happens to the distance between interference fringes? Assume the angles involved remain small. A double-slit diffraction pattern is formed

10. ## physics

In a double-slit experiment, two beams of coherent light traveling different paths arrive on a screen some distance away. What is the path difference between the two waves corresponding to the third bright band out from the central bright band? The path

11. ## Calculus

A rancher wants to build a rectangular fence next to a river, using 100 yd of fencing. What dimensions of the rectangle will maximize the area? What is the maximum area? (Note that the rancher should not fence the side next to the river.)

12. ## BIOLOGY

Which of the following statements is NOT true about gamete formation in mammals? a)In the female, the separation of cytoplasm is unequal during meiosis. b)Only one of the four cells resulting from meiosis goes on to become an oocyte. c)Only one of the four

45. ## Science

a layer of ice has an area of 35m2 and is 2.5cm thick and is -7.5'c. how much water (in kilograms) is needed to melt the ice?

46. ## Accounting 205

help with paper on basic transaction processing fr Richard Simmons

47. ## science

an object being pulled to earth by gravity will have the force of air pushing back opposite directions

48. ## Biology

(This question ties into the previous question I posted about mRNA). Use the Universal triplet code to determine the sequence of amino acids that would be generated for each of the mRNA sequences that you generated in question 2. Remember that the reading

49. ## Biology

What 3' to 5' DNA sequence would correspond to a 5'-AUG-3' start codon?

50. ## Statisics

4. The purpose of the investigation was to examine the effects of the Tweed edgewise technique on mandibular growth and rotation. It employed 36 Class II Tweed edgewise patients, all of whom had 4 bicuspids extracted during the course of treatment.

51. ## Physic II

Why would you expect a plate to hold more excess charge on each of its conducting surfaces when the voltage difference between the two pieces of conductor increases?

52. ## focus high school

What percentage of all infertile American women are infertile because of tubal damage caused by untreated STD?

53. ## science

what is the substance that melts at 10°C?

54. ## Math

Solve the system using elimination. y = -x + 3 y = x^2 + 1

55. ## Math

Doublets? Change one word to another word one letter at a time. Create linking words. DINNER serve COFFEE. Has anybody got a clue how to do this? You have to end with the word coffee? Any help would me much appreciated. Thank You

56. ## Math

Thanks Steve, but can anyone else help? Start with the word dinner change one letter at a time to form new until you have the word coffee Thank soooooooo much to everybody.

find y' and y” by implicit differentiation. 2x^3 + 3y^3 = 8

58. ## english

What are some websites that are against animal abuse & the actions they have taken to stop it. Thank you!

59. ## Math

-7x + 9y = -29 8x + 5y = -28

60. ## Math

What is 66 2/3 of 39?