Questions Asked on
July 2, 2010

Chemistry
Consider the following chemical equation: 2NO2>N2O4 If 25.0mL of NO2 gas is completely converted to N2O4 gas under the same conditions, what volume will the N2O4 occupy?
asked by Victoria 
chemistry
A silver ring contains 0.0134 mmol Ag. How many silver atoms does it contain?
asked by jane 
Chemistry
What is wrong with or ambiguous about the phrase "four molecules of NaCl" I really don't understand my textbook says in the back that it is an ionic compound so I guess that its not really a molecule then I don't understand...
asked by Kate 
science
List some of the technological, economic, political, emotional, and other factors involved with greenhouse gases.Whose responsibility is it to reduce our impacts or climate?
asked by Tony 
math
find the volume of a tent having the shape of a rectangular solid of length 13 ft, width 12 ft, and heihght 8 ft topped by a rectangular pyramid of the same width and length with height 5 ft
asked by Jaime 
Physics Check
1.)The making of the nuclear reactor was an advance in a)Science *b)Technology c)none of the above 2.)The development of the airplane was an advance in a)Science b)Technology *c)none of the above 3.)The discovery of gravity was an advance in *a)Science
asked by Ariel 
physics
an athlete completes one round of circular track of radius R in 40 second what will be his displacement at end of 2minutes 20 second
asked by shiwali 
Geomerty
Place the following set of numbers in ascending order 2/9,5/9,1/8,1/9,3/7 Would the correct order be 1/8,2/9,1/8,3/7,5/9
asked by Jerome 
chemistry, chemical kinetics
I keep getting these questions wrong, could someone please help. Thanks so much. Question 1 For the following overall reaction, the rate constant is 3.4x10^2. A(g)+ 2B > 2C + D What may be the rate reaction? Question 2 The rate law for this reaction is
asked by student 
English
Describe the girl in each picture. How does she look? She looks happy in the first picture. What about the girl in Picture 2? I think she looks angry or upset. Then what about the girl in the last picture? She looks surprised. Good job! (Would you check
asked by rfvv 
american government
Congress’ inability to consistently provide leadership on broad national issues is due to a. the lack of talented leadership in Congress. b. the fragmented nature of Congress. c. constitutional restrictions on Congress’ lawmaking powers. d. the
asked by vedrana 
american government
The federal bureaucracy today is a. extremely wasteful and unresponsive to the public it serves. b. an ineffective institution in comparison with bureaucracies of democracies with unitary systems. c. more responsive to the public at large than to the
asked by vedrana 
american government
precedent,while not an absolute constraint on the courts ,is needed to a)maintain legal consistency over time,so the confusion and uncertainty about the law can be avoided b) preserve the courts as a majoritarian institution c)check the president in the
asked by vedrana 
american government
with regard to public opinion,the Supreme Court:A)attempts to stay close enough to public opinion so as to avoid a grave loss of public support B)attempts to follow it very closely in order to create public enthusiasm for its rulings IS A CORRECT? :))))))
asked by vedrana 
Chemistry
I am having a horrible time with Enthalpy change. I understand how to find specific heat I believe, but the heat capacity of the vessel is given as 10 J/K. My problem is that my professor did not show us how to work this type of problem, and I desperately
asked by Casey 
chem 121
what volumes of the folowing concentrated solutions are required to prepare solutions of the final concentrations indicated (a) 12MH2SO4 to prepare 2.0 L 0f 1.5 MH2SO4 (B)2.0 MKCIto prepare 200ML 0f 0.5MKCI
asked by ngugi 
Chemistry
Elements A and B form two new compounds. In compound I, 2 grams of A is combined with 4 grams of B. In compound II, 4 grams of A is combined with 12 grams of B. If the formula of compound I is A2B, what is the formula of compound II?
asked by Argenta 
american government
A bill has been approved in the House and Senate, albeit in slightly different versions. The bill now goes to the president for her/his veto or signature. a conference committee. the standing committees in the House and Senate where the bill originated.
asked by vedrana 
math
toby the cat is stuck in a tree. billys dad placed a ladder 5 feet from the base of the tree and then leaned the ladder against the tree. the top of the ladder is where toby is sitting. if the ladder makes a 65 degree angle with the ground, how far up the
asked by Teri 
English
Posted by rfvv on Friday, July 2, 2010 at 1:00am. 1. What does she look like? She looks sad. 2. What is she like? She looks happy. 3. How does she look? She looks surprised. 4. What does her appearance look like? She looks upset. (Are the questions and
asked by rfvv 
science
Former U.S. President Jimmy Carter Said, "Responsible Biotechnology Is Not The Enemy; Starvation Is." What Did He Mean?
asked by Tony 
physics
Van de Graaff generator is charged to 50,000 volts, how much energy does it take to add an additional electron to the charge on the sphere?
asked by jan 
English
1. It is great fun to draw cartoons. 2. It is complicated to study math. 3. It is dangerous to ride a bike on the street. 4. it is useful to study math. 5. It is good to play the guitar. 6. It is amusing to play the guitar. 7. It is difficult to study
asked by rfvv 
geometry
A circle has a radius of 3 feet and a central angle DEF that measures 60°. What is the length of the intercepted arc DF? Use 3.14 for pi and round your answer to the nearest tenth.
asked by ashley!(: 
disease
Which Endocrine Gland is Involved, or responsible for the conditions tetany and also throtoxicosis?
asked by teri 
chemistry
A silver ring contains 0.0134 mmol Ag. How many silver atoms does it contain?
asked by jane 
English
the tone of Breaking Through is a respectful b none of these choices are correct c bitter d amused e angry I think a,c,d,e are the right answer and i think the tone of this book is depend on which parts of it. Different parts have different tone.
asked by Rainbow 
English
1. Look at her facial expression. 2. Look at her appearance. 3. Look at her looks. 4. How does she look?  She looks satisfied? 5. How do you think she looks?  I think she looks unsatisfied. (Can we use all the expressions? Do we have to use a singular
asked by rfvv 
English
1. What does she look like? She looks sad. 2. What is she like? She looks happy. 3. How does she look? She looks surprised. 4. What does her appearance look like? She looks upset. (Are the questions and answers grammatical?)
asked by rfvv 
us 101
Have you ever used mnemonics (see p. 139 of your text) to remember something complicated? If so, describe the techniques you used. What ways might you use mnemonics to be a more effective college student and adult learner?
asked by Anonymous 
English
1. It was fun for Tom to play with snow. 2. It was fun of Tom to play with snow. 3. It was funny for Tom to play with snow. 4. It was funny of Tom to play with snow. (Which ones are grammatical?)
asked by rfvv 
algebra
wat is the answer to the following equation by using the substitution method? x=6y4 x=2+28
asked by ki ki 
chemistry
you have two beakers one filled to the 100 ml mark with sugar and the other filled to the 100 ml mark with water. you pour the sugar and all the water together in a bigger beaker and stir until all the sugar is compeletely dissovlved. what happens to the
asked by kelly 
Statistics
The population standard deviation is estimated to be $300. If a 98% confidence interval is used and an interval of +/$75 is desired, how many cardholders should be sampled?
asked by Angela 
chemistry
the announced attendance at a football game was 52,806. is this an exact number?
asked by kelly 
trig
By what fraction of the period of f(x)=10 cos(7 x) has the graph of f(x) been shifted to obtain the graph of g(x)=10 cos(7x pi/2). how do I approach this and solve for the fraction shift and the domain and range?
asked by tamara 
math
Car B is 48km ahead of Car A. If Car Bis not moving and Car A is moving at 48km/h, how long will it take Car A to reach Car B?
asked by vanessa 
Physics
My question is two parts How many calories of heat energy would it take to heat 200 mL of water from 20C to 80C? a) How long would it take to heat the water in the previous question using a heater with a power rating of 50W? Looking for equations to solve
asked by college 
calculus
y= 1/4 sin x
asked by Anonymous 
Math/Calculus
I need to know how to graph this equation to form a straight line: x = 1/2at^2 I would graph x versus t^2 but is that correct? Thank you very much!
asked by Warren 
science
Air pollution often originates in one state or country but causes health and crop damage in other areas. For example, mercury from Midwestern power plants is harming plants, water, and health in eastern states. How should states, or countries, negotiate
asked by Tony 
ethics 125
I am supposed to write an autobiographical research paper that analyes the influences of race as it relates to my community. I am having problems with this since I have only lived here a year and I don't socialize with anyone here. Any tips?
asked by stumped 
English
1. It is strange for her to receive fan letters. 2. It is strange of her to receive fan letters. (Which one is correct, #1 or #2? Are both correct?) 3. She is strange to receive fan letters. (Is this sentence correct?)
asked by rfvv 
accounting
$8,000 in 5 years at a semiannual discount rate of 6%
asked by MK 
English
1. Say your thoughts about the following. 2. Say your ideas about the following. 3. Say something about the following pictures in your own words. 4. Speak your own ideas about the following. (Are they grammatical? Which ones are right?)
asked by rfvv 
math
what answer in 11/13 + 8/13 In perform the indicated operations
asked by Michael 
ALGEBRA II
THE SUM OF TWO NUMBERS IS 8.5 AND THEIR PRODUCT IS 18. FIND THE NUMBERS?
asked by GLORIA 
Penn Foster
Children should not be served drinks in containers made of?
asked by Eleni 
math
how may polygon arrangments does a semiregular tessellation have? a) exactly three, b) exactly two or three, c) exactly four, d) exactly two of four
asked by Jaime 
physics
Toby the cat is stuck in a tree. Billys dad placed a ladder 5 ft from the base of the tree and then leaned the ladder against the tree. the top of the ladder is where toby is sitting. if the ladder makes a 65 degree angle with the ground, how far up the
asked by Tiffany 
math
what is the apothem of a regular hexagon with sides of 16 inches?
asked by Teri 
math
what is the total surface area in square meters of a cylinder with a radius of 12m and height of 14m
asked by Teri 
english
How does the author of the article "A NAtion Apart" organize information to build his argument does he include any counterarguments?
asked by kick 
medical language
what are the interrelations of blood clotting, immune response, allergic reaction and hormone release.
asked by Michelle 
chemistry
Can metals be fused without heat or pressure, and if it is possible would that be a form of cold fusion?
asked by Bobby 
math
3 divided by 7 as a fraction of delia is 48, use variable d to represent delia's age
asked by kk 
chem 121
what is the volume of a 0.750Mmgcl2 solution containing 45.0g of mgcl2
asked by ngugi 
Math Help
How can you turn this word problem into an equation: One number is twice another number. The larger number is also 32 more than the smaller number.
asked by Norman 
English
1. The boat rocked so much that I got sick. 2. The boat rocked so much that I got seasick. (Does #1 mean #2?)
asked by rfvv 
English
Can you please tell me if these sentences should be evaluated as grammatically wrong in a test? I'm looking forward to your prompt reply THank you 1) Was the hotel as they expected it to be? The hotel was different from they expected (Correction: No, it
asked by Franco 
trig
the leg opposite the 50 degree angle in a right triangle measures 8 meters. find the length of the hypotenuse
asked by Tiffany 
algerbra 1
i wrote an equation of a line that passesthrough the point (2,3) and has a slope of 3 which equation represents my line?
asked by jamyrrah 
american government
From roughly 1900 to 1960, a strong showing in presidential primaries? a. enable a candidate to demonstrate popular support, but did not ensure nomination. b. did not improve a candidate's chances of gaining the nomination. c. guaranteed a candidate's
asked by vedrana 
AP Biology
I got a question that comes from the 1990 released test #61 that I'm completley lost on 61. In a population that is in HardyWeinberg equilibrium, the frequency of a recessive allele for a certain hereditary trait is 0.20. What percentage of the
asked by Kate 
Government Check
Which is not a suspect classification, according to the Supreme Court? Race Age Gender *National origin
asked by Ariel 
PSY 240
What is the difference between the idea of set points versus settling points in relation to weight control? I've read and reread the text and can't find any info regarding the idea of settling points. I'm a little bit lost and would like some help with
asked by Nikki 
math
A block of cheese weighing 2.6 pounds (lb) sold for $15.55. Find the cost per pound to the nearest cent
asked by DDee 
alg
solve: 1 / x + 2 + 1 / x  2= 1 / x^2  4 a)2 b) 2 c)1/2 d) 1/2
asked by sean 
alg
solve: 2 / x  1  3/4 = 5 / x  1 a) 3 b) 3 c) 2 d) 2
asked by sean 
alg
The 10th grade raffle sold 127 tickets. If they award 1st and 2nd prize, how many different pairs of winners are possible? a) 16,129 b) 254 c) 16,002 d) 8,001 the answer i picked was c
asked by sean