1. chemistry

A solution of sodium cyanide NACN has a PH of 12.10. How many grams of NACN are in 425ml of solution with the same PH? Please helps me to solve it for me

2. math

Leslie has been offered the choice of either a \$1,000 rebate or a 5.5 percent, 48-month loan for the new car she is purchasing. If Leslie will be financing \$15,000 and she can get a 7.5 percent, 48-month loan at her credit union, should she take the \$1,000

3. chemistry

A 0.446g sample of an unknown monoprotic acid was titirated with 0.105M KOH the molar mass is 120g/mol. What is the PKA value? Who helps me to solve it for me. Step by step.

4. The Crucible HELP

In his autobiography Timebends, Arthur Miller writes that "the real story" of the Salem witch trials is to be found in "the breaking of charity" within a human community. Write a brief essay explaning what you think Miller means by this interesting

5. math

3. (TCO A) The following questions are worth 5 points each. Please show all work. a. Inflation is expected to average five percent for the long term and Mr. Smith earned \$74,000 this year, how much must he earn in 20 years just to keep up with inflation

6. Physics

When a resistor is connected across the terminals of an ac generator (112 V) that has a fixed frequency, there is a current of 0.500 A in the resistor. When an inductor is connected across the terminals of this same generator, there is a current of 0.400 A

7. chem 121

explain why washing an impure solid with a cold solvent is not good as recrystallization for removing all the soluble impurities? why is the final product from a recrystallization isolated by a suction rather than gravity filtration?

8. geometry

Circle O is defined by the equation x2 + (y - 2)2 = 25. Plot the center of Circle O and type in the coordinates of one point with integral values that lies on Circle O.

9. Elementary Algebra

The perimeter of a soccer field is 280yd. The width is 5yd more than half the length. Can you help me with the formula to solve this problem?

10. Chemstry

Dry air is bubbled through 25 litres of water at a rate of 15 litres (STP)/min. The air leaving the liquid is saturated with water at 25 degrees celcius and 1.5 atm. How long it will take for all of the water to vaporize.

11. chemistry

if a small piece of sodium is dropped into water,it begins to react, forming hydrogen gas and sodium hydroxide. In the equation, 2Na(s)+2H2O(l) 2NaOH(aq)+H2(g),the sodium hydroxide that is formed is a..

12. Physics

A neutron causes the element 88X232 to change according to the reaction 0n1 + 88X232 ---->ZYA + . Identify the (a) atomic number and (b) atomic mass number of the daughter nucleus. (c) This product subsequently undergoes - decay, and its daughter does too.

13. Math

please explain the method of solving: 37 - p = 28 + 4p

14. math

Joe is purchasing a new truck for \$30,000. Joe is making a \$2,000 down payment, and he will make 60 monthly payments of \$541 each. What are the total finance costs on this loan?

15. physics

A ball(mass=3kg) is attached to 2 strings and it is rotated by one string and to the other is joined to another ball which is also attached to another ball by a string.Which of the strings experience the maximum when length of each string is 1metre?

16. pharmacy tech.

In what proportion should you combine a 2:5 soaking solution and distilled water to create a 300 ml of a 1:20 solution?

17. accounting

Accounting 103 ScrawnyOcean2290 asked Dominic Hunter, a second-year business student at the University of Utah, will graduate in two years with an accounting major and a Spanish minor. Hunter is trying to decide where to work this summer. He has two

18. physics

Standing waves on a string are generated by oscillations having amplitude 0.005 m, angular frequency 942 rad/s, and wave number 0.750p rad/m. a.) What is the equation of the standing wave? b.) At what distances from x=0 are the nodes and antinodes? c.)

19. Math

Stan's recipe for sugar cookies serves 5 people. He wants to make enough cookies for 10 people. If his recipe calls for 1 1/2 cups of butter, how much will he need if he doubles his recipe?

20. math

When using a 1% cream and a 6% cream to produce a 4% cream, how many parts of each initial ingredient will be needed?

21. College Algebra

Graph the function using transformations. Show your work and state a) the domain b) the range c) the asymptotes f(x) = 3 - 1/(x + 4)^2

22. marketing

Answer the following questions: 1. Think of the value exchanged between Coca-Cola consumers and the company. What values are exchanged? 2. Visit Coca-Cola’s corporate website. Select 3 different Coca-Cola brands. For each of these 3 SBUs, who is the

23. Algebra 2 Need Help

1. function g(x)=-x^2-3x+7 . Find the area under the curve for the domain –4£ x £ 1. a 71.6 square units b. 46 square units c.35.83 square units d.17.916square units 2. y=2sin(circle with a line through it) a. How many cycles occur in the graph? b.

24. Algebra

Simplify the rational expression and write the restriction for the simplified rational expression. x^3 - 8 ----------------------- x^2 + xy - 2x - 2y

25. CHEM

why should the maximum percent yield never be above 100%

26. Positioning and Competition

Briefly describe a health care provider with which you are familiar and how that organization should position its offerings.

27. Please someone explain to me

My homework says describe how the exterior of a structure differ of share similar design art elements from the interior. Does that mean elements of art, or features of architecture like arches, windows, etc?

28. english

1. it was due to rAin the match was postponed 2. DUE TO RAIN THE MATCH THE MATCH WAS POSTPONED WHICH SENTENCE IS GRAMMITICALLY CORRECT

29. Mathematics

The graph of y = 2^x-3 can be obtained by shifting the graph of y= 2^x a) 3 units to the right b) 3 units to the left c) 3 units up d) 3 units down e) 2 units to the right and 3 units up The equation of the graph that is obtained by reflecting the graph of

30. Algebra

A certain region is losing 24 million acres of rain forest each year? find a linear function f that calculates the change in acres of rain forest in millions in x years. then find f(4) and interpret the result

31. english

what is a theme give examples

32. Math

Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. Assume 365 days in a year. (Round your answer to the nearest cent.)

33. Math

1)If a (theres a square)b is defined as the average of a and b, what is the value of 2 (theres a square) 4 (theres a square) 9? a) 3 b)5 c) 6 d)7.5 e) 18 2)If A=(r+s)F, what is the average of r and s when A=8 and F=2? 3) For the three numbers a,j,k, (a

34. math

If a business borrows \$20,000 and repays \$36,200 in 6 years, what is the simple interest rate?

35. english

she spoke to me as if i were a stranger here I is followed by were instead of was could you pl explain it

36. math

3trucks are equal in weight to 2 trucks and 2 sedans.What fraction of the weight of a truck is the weight of a sedan

37. English

I looked at the growing dark clouds and I realized a massive storm was approaching. What poetic device is being used? I think it's personification.

38. algebra

a+7b=17, a+2b=2

which instance is an example of internal mechanisms working to prevent criminal behavorial

40. Math

a box contains 3 yellow socks, 4 blue, 1 orange, and 2 green....what is the probability of picking 2 blue at the SAME TIME!!!

41. Algebra 1

Use the formula d=rt to find the value of the missing variable d= 48 feet, t= 16 seconds r= ? ft/sec

42. English

I looked at the growing dark clouds and I realized a massive storm was approaching. What poetic device is being used? I think it's personification.

43. pharmacy tech.

When using a 1% cream and a 6% cream to produce a 4% cream, how many parts of each initial ingredient will be needed?

44. Logic

How do assumptions affect our inductive reasoning, either positively or negatively?

45. AP Calc

Use mathematical induction to prove that the statement holds for all positive integers. Also, can you label the basis, hypothesis, and induction step in each problem. Thanks 1. 2+4+6+...+2n=n^2+n 2. 8+10+12+...+(2n+6)=n^2+7n

46. english

antennae, involuntary , vesus Does any of those words mean opposite or contrasted with??

47. pharmacy tech.

Prepare 500ml of a 1:5 solution using a 1:10 solution and a 1:4 solution. What quantities will be used of each stock solution to make the 1:5 solution?

48. Chemistry

One kilogram of dry air at STP conditions is exposed to 1.00 R of X-rays. One roentgen is defined by Equation 32.1 in Section 32.1. An equivalent definition can be based on the fact that an exposure of one roentgen deposits 8.30 x 10-3 J of energy per

49. Math

write -1/6, 5/3, -5/6 in order from least to greatest

50. science

a 150 gm ball travelling at 30 m/s strikes the players hand and it stopped in0.06s.calculate the force exerrted by ball on hand

51. Math

1) Mr.Anderson has 3 passenger seats in his car.He offered to drive some of the 5 members of his daughter's club to the movies. How many different groups of 3 passengers could he drive? 2) A jar has green and red marbles.If the ratio of green to red is

52. Algebra

please help. I am not sure if this is correct. I need to simplify this to the lowest terms a^2 - 4b ^2 _____ ______ a+2b a+2b my answer is: a^2-4b^2 _________ a+2b is this really to the lowest term?? for some reason I think I am doing this wrong. Thank

53. Mastersin Education

Select a strategy for building relationships that can be used within an educational or work setting.

54. Algebra

A machine has a work output of 28ax^5 joules and a work input of 7a^2x^6 joules. What is the efficiency of the machine?

55. Algebra

The perimeter of a heptagon is 9a^2s ft. The perimeter of a triangle is 6a^6b^2s ft. Find the ratio of the perimeter of the heptagon to the perimeter of the triangle.

56. Sociology

In the last 30 years, more young adults, ages 25 to 34, are migrating back home. These returning adult children are called the boo-merang generation. One in five of these adult children are returning to the nest. Most of those surveyed indicate that they

57. english

please organize these into a paragraph ;astronaauts supposed to rest for eight hours, but too excited to rest ;astronauts easily hopped high because moon has less gravity than earth ;opened spaceship door 61/2 hours after landing ;brought back to earth

58. math

how many grams are there in 1 km

59. Informal Logic

rite two arguments in English, one in the form of modus ponens and one in the form of modus tollens. Then, write the arguments in symbols using sentence letters and truth-functional connectives. (If your computer does not have all the symbols needed, use

60. Health Care Provider

determine the best way for an organization to analyze its competitors’ strategies, objectives, strengths, and weaknesses.

61. math

steel is \$50 per cubic foot. What is cost of cone with radius 7.5 inches and 25 inches height?

62. math

carpet is \$25 per square yard. what is cost of circulare rug 9ft in diameter?

63. chemistry

Alkine for ula

64. algebra

The expression: 553.7x + 27,966 Can be used to approximate the average annual salary in dollars of public school teacher in the year 1985 + x What was the average teacher's salary in 1993? In which year will the average salary reach \$45,000?

65. Algebra

-2(t-7)-(t+8)=8

66. Algebra

When the costs of a car is multiplied by 0.04 the result is \$1760. Find the cost of the car. The answer is \$?

67. Algebra 2

solve the equation -3 cos t = 1 in the interval from 0 to 2p?

68. Physical Education

Discuss the differences between process and product evaluation. Give examples of each type of evaluation. Discuss the value of each type of evaluation. What is the significance of focusing on the process in physical education? How does this information

69. books

what is the theme for the book called OKAY FOR NOW

70. English

Katherine said, "Are you coming home today?" The "are" isn't suppose to be capitalized right?

71. Accounting

Q1a: Complete Problem 14.1 on page 269 of the Collier text (solution is on page 501-502). Next work the problem again using the following variables: project yield annual net cash inflows are \$10,500 for the next five years; interest rate of 16.5%, and the

72. math

building shadow 28 m long & the shadow cast by a 64 cm tall pole is 50 cm long. what is height of building?

73. English

What does conscious will mean?

74. Algebra

\$3,000 balance, 21% rate, \$1,500 payment, adjusted balance method

75. college chemistry2

calculate the molarity of a solution containing 20.0g of sulfuric acid in 500 ml of solution?in a solving problem form?