1. Chemistry

For the following balanced equation: 2 Ag+ (aq) + Cu(s) ---> Cu2+ (aq) + 2 Ag(s) Which letter corresponds to the correct cell notation at standard state conditions? A. Cu2+(aq)/ Cu(s) // Ag(s) / Ag+(aq) B. 2Ag+(aq)/ Cu2+(aq)// 2Ag(s)/ Cu(s) C. Ag+(aq) /

evaluate 8C5

3. stoichiometry

if 3.00 moles of water are produced, how many grams of oxygen must be consumed?

4. Math

Of the 6 grade students surveyed, 12% bring their lunch. SUppose 24 six graders do this, how many six graders are there. I would like you to show me how to do this, (Mom) so that I can explain to my son. Thanks.

5. Physics

I'm sorry if it's a lot, but I want to make sure I didn't do any mistakes on this worksheet. Thanks!!1. If the mass of a Ne-20 atom is 19.9924 amu, calculate its binding energy. (I got 2.578 x 10^-11 Joules)2. If the mass of a Ca-40 atom is 39.9626 amu,

6. biology

In artificial selection, what factor substitutes for naturally occurring selection pressures?

7. biology

When farmers select animals or plants to use for breeding, they look for

8. algebra

Kirk and Montega mow the soccer playing fields. They must mow an area of 500 ft long and 400 feet wide. They agree that each will mow half the area. Kirk will mow around the edge in a path of equal width until half the area is left. *What is the area each

9. Chemistry

For the following balanced equation: 2 Ag+ (aq) + Cu(s) ---> Cu2+ (aq) + 2 Ag(s) Which letter corresponds to the correct cell notation at standard state conditions? A. Cu2+(aq)/ Cu(s) // Ag(s) / Ag+(aq) B. 2Ag+(aq)/ Cu2+(aq)// 2Ag(s)/ Cu(s) C. Ag+(aq) /

10. stoichiometry

if you have 0.25 moles of carbon monoxide how many grams would you have?

11. algebra

The drama club is building a backdrop using arches whose shape can be represented by the function f(x)=-x^2+2x+8, where x is the length in feet. The area under each arch is to be covered with fabric. -What is the length of the segment along the floor of

12. Chemistry

For the following electrochemical cell: Fe(s) / Fe2+(aq) // MnO4–(aq) Mn2+(aq) / Pt(s) Which letter corresponds to the correct balanced chemical equation in an acidic solution? A. 5Fe(s) + 16H+(aq) + 2MnO4–(aq)--> 2Mn2+(aq) + 8H2O(l) + 5Fe2+(aq) B.

13. social studies

I posted this question the other day but all the websites I was given were about the negative effects and the people against the United States depending on foreign oil. Are there any articles that are for the U.S. dependence on foreign oil? I have to write

14. stoichiometry

If 3.00 moles of water are produced, how many moles of oxygen must be consumed?

15. alg 2.

when condensing this expression why is the answer ln5. ln25-ln5

16. french

would it be correct to say: je n'ai pas besoin d'un livre et d'un stylo or should it be: je n'ai pas besoin ni d'un livre ni d'un stylo

17. math/rates and unit rates

I can't figure out my homework because I don't know what rates & unit rates are.

18. science

describe how carbon dioxide is managed by the rbc from the tissue

19. SOCIOLOGY

DEFINE SOCIAL CHANGE. WHAT ARE THE KEY FEATURES OF SOCIAL CHANGE? GIVE 4 EXAMPLES OF SOCIAL MOVEMENTS, CURRENT OR PAST AND DESCRIBE THE KEY FEATURES OF EACH MOVEMENT. DEFINE MODERNIZATION. WHAT ARE THE KEY FEATURES OF MODERNIZATION? GIVE 4 EXAMPLES OF

20. SCIENCE

THERE ARE THREE SOURCES OF RESISTANCE IN A PARALLEL CIRCUIT,S . TWO OF THEM ARE RATED AT 20 OHMS THE OTHER AT 10 OHMS WHAT IS THE CIRCUIT,S TOTAL RESISTANCE.

21. stoichiometry

how many grams of water are produced when 2.50 moles of oxygen are used?

22. trig

Simplify (tan^2θcsc^2θ-1)/(tan^2θ) This question totally stumps me. I know that csc^2=1/(sin^2) and tan^2=(sin^2)/(cos^2), but I don't see how I can use these identities to simplify the question. What am I missing? Help is much appreciated!

23. Health

What is the process by which alcohol leaves the body? It's the only one on my crossword puzzle that I can't figure out and it's supposed to start with an E

24. physics

what is physics?

25. stoichiometry

if you have 3 moles of salt, how many grams would you have?

26. science

Provide an example of convergent and divergent evolution, adaptive radiation, and co-evolution.

27. finance

A "normal" term structure of interest rates would depict

28. finance

The Acme Company has its European subsidiary based in the Euro zone. The subsidiary must solve a series of five problems that require you to apply the concept of "time value of money," or TVM. The five problems are listed below. Solving them will require

29. algebra 2

2y-5 over 6 - y-5 over 4 equals 3/4. Solve this rational expression.

30. math

lim-> 0 sin 3x/7x i keep getting 0 even using the quotient rule but htis is not the answer

31. stats

find standard deviation for this problem daily precip- frequency-31,1,0,2,0,1 0.oo-0.49 0.50-0.99 1.00-1.49 1.50-1.99 2.00-2.29 2.50-2.99

32. Physics

Indicate true or false in each of the following statements: 1. a tube open at one end resonates with only odd harmonics 2. The frequency of a sound emitted by a vehicle as it moves toward you rises as you listen 3. a tube open at both ends resonates with

33. science

How many moles of water are produced when 5.00 moles of oxygen are used?

34. math

factor this polynomial function completely f(x)=12x^4+10x^3-214x^2+198x+90 I found all the possible rational zeros but just cant seem to factor it all

36. alg 2.

Why is ln(e^-2) = -2. Why doesn't it = e^-2??

37. english

My son has to make a cover page for his book report. What all needs to be on this sheet?

38. french

what is an easy way to remember conjigations for the irregular verbs

39. alg 2.

can someone please show me step by step how to do this problem... 1/2log base 4 25-2(3logbase4 5-log base 4 25)

40. Math

What is the formula to figure the radius of the following: 50 feet of wire how do you figure the circumference and the radius

41. physics

When a nucleus emits a beta particle, it's atomic number is ?

42. world history

What was the technology, agriculture, trade, religion/belief systems, gender roles, migrations, and population changes of the era of 600-1450 in the Middle East? What about in the 1450-1750? 1750-1914? 1914-present?

tselaacdns

44. Chemistry

Which reaction has been chosen as the 'standard' against which every other reaction is measured? A. F2 + 2e ---> 2F– B. O2 + 4H+ + 4e ---->2H2O C. 2H+ + 2e---> H2 D. Li+ + e ---> Li E. H2 + 2e --->2H i got C is that right?

45. statistics

can someone please tell me what the equation is to find the sum of squares...im looking online but everything is sohard to understand and all the symbols are confusing...?? thank you!

46. spanish

It would be nice if someone could help me with this. This is what I'm working on: Command form(imperative mood) negative familiar/polite I have to change the affirmative commands to negative form: Hágalos en la clase--------- Llévalo a tu casa----------

47. grammar

What is meant by passive voice? explain it with best examples.

48. history

When did australia become a nation?? please i really need it!! my assignment is due tomorrow!!!

49. Physics

current passing through a conductor is increased from 10 A to 15 A this decreases the strength of the magnetic field produced by the conductor true or false True

50. English

how do I diagram this sentence? Practice good driving skillsevery day for about four months before taking the test.

suggest 2 tips for academic document not mentioned in miccrosoft word.

52. chemistry

There is an apparatus that consists of three glass bulbs connected by small glass tubes with the stopcocks closed. Given that the temp. is 27 degrees C, what is the pressure of gas in each glass bulb? Bulb 1-> 1L- 1.79gCO2 Bulb 2-> 2L- 0.162gH2 Bulb 3->

53. Physics

170 students in a lecture hall can scream at 115 dB. Thus, we should expect that: A. an average student can do 0.68 dB by him or herself. B.340 average students can do 125 dB. C.340 average students can do 230 dB. D.1700 average students can do 125 dB.

King’s Service Station uses two kinds of cleaning solution containing acid and water. “Attack” is 2% acid and “Blast” is 6% acid. They want to mix the two to get 60qt of a solution that is 5% acid. How many quarts of each should they use. Let a =

55. English

How do you tell what part of speech a word is under classification. How do you tell how each word is used in the sentence under construction? I will walk and he will ride a bike.

56. grammar

In the sentence "On track and field day, the teacher was very proficient at announcing the events", is the word "proficient" a noun or verb?

57. programming

can someone write this script with unix The script should be named final_YourLastname (e.g., a script written by York should be named: final_York). The script should implement car rental reservation activities. The main menu of the script must prompt users

thanks alot!

59. french

can someone check to see if this sentence is grammatically correct? "Je ne serai pas à l'école jeudi, alors puis-je passer l'interro vendredi matin?" *Should translate to "I will not be at school Thursday, so can I take the quiz friday morning? Merci

60. Spanish

It would be nice if someone could help me with this. This is what I'm working on: Command form(imperative mood)-plural I'm filling in the blanks with the polite plural command of the verb in parentheses: -----------(ir) a la pizarra con la tarea para hoy

61. Englis

Name any fallacy in this essay One day in January 1995 a number of companies in San Diego, California, woke up to find that they had a "deficient work force." This new designation, which had literally come overnight, had nothing to do with the intelligence

62. science

describe how oxygen is carried and transferred from the lungs to the tissues

63. calc

If 4x2+3x+xy=2 and y(2)=–10 , find y'(2) by implicit differentiation. i keep getting the wrong answer for this problem evn when plugging 2 in for y.

64. Mat116

What is the difference between a epression and a equation?

65. Mat115

46. Find the five-number summary of the following set of numbers. 0.16, 0.08, 0.27, 0.20, 0.22, 0.32, 0.25, 0.18, 0.28, 0.27 A) 0.08, 0.18, 0.223, 0.27, 0.32 C) 0.08, 0.18, 0.225, 0.27, 0.28 B) 0.08, 0.18, 0.235, 0.27, 0.32 D) 0.08, 0.16, 0.23, 0.28, 0.32

66. chemistry

There is an apparatus that consists of three glass bulbs connected by small glass tubes with the stopcocks closed. Given that the temp. is 27 degrees C, what is the pressure of gas in each glass bulb? Bulb 1-> 1L- 1.79gCO2 Bulb 2-> 2L- 0.162gH2 Bulb 3->

67. Math

What is the length of the longest rod that can be placed in a hollow cube of side 10 feet? in this problem we are supposed to use Pathagorem Theorm.

68. grammar

i need a sentence for cross-examination

69. statistics

if B zero=26.724 and B1= 0.5719 what can we interpret about the slope of B1?

70. CJS

How do you feel power related to the criminal justice system should be distributed between state and the federal systems?

71. Algebra 1

your uncle buys a new car that comes with seven new tires, one for each wheel and three spare tires. He decides to be economical by using the tree spares as much as the other four tires. If he drives 22,750 miles and each tire has been used equally, what

72. arithmetic

3(p-q)=10 2(p-q)=7 p= q=

73. government

What is the name for the combined houses of the Missouri legislature?

74. alg 2.

ln(x^2y)^3. when you expand this natural log is e. so it would be 6lnex +3lney. but my answer doesn't have an e in it. how come?

75. CRT 205 Crticial thinking

. In three of the last four presidential races, the winner of the Iowa Republican primary has not captured the Republican nomination. Therefore, the winner of the next Iowa Republican primary will not capture the Republican nomination.

76. 205

Please with assigment I do not understand. Exercise 7-9 Given the premises, discuss whether the conclusion of each argument that follows is (a) true beyond a reasonable doubt, (b) probably true, or (c) possibly true or possibly false. You should expect

evaluate the extent that management utilizes the classic management activities -planning, organizing, leading, and controlling with 4-6 slides with notes and references