Questions Asked on
December 3, 2010

physics
a light string 4 meters long is wrapped around a solid cylindrical spool with a radius of 0.075 m and a mass of .5 kg.a 5kg mass is then attached to the end of the string, causing the string to unwind from the spool. a. what is the angular acceleration of
asked by mariel 
college
You buy an eight year bond that has a 6% current yield and a 6% coupon (paid annually). In one year, promised yields to maturity have risen to 7%. What is your holding period return?
asked by Anonymous 
chem. 7
a 20% solution of H2SO4 has a density of 1.14 g/mL. calculate the molarity, normality and molality of the solution.
asked by Anonymous 
Math
While standing at the left corner of the schoolyard in front of her school, Suzie estimates that the front face is 8.9 m wide, and 4.7 m high. From her position, Suzie is 12.0 m from the base of the right exterior wall. She determines that the left and
asked by Taylor 
sociology
If appointed to head the U.S. Civil Service Commission, what polices would you propose to reduce radical ethnic strife in the U.S. and why?
asked by lakesha 
Chemistry
The pH of a 0.0050 M aqueous solution of calcium hydroxide is? Make sure to include all equations.
asked by Student 
Chem 22
molecular equation, and net ionic equation of K2SO4 + MgCl2 NiCl2 + NaOH MgCl2 + NaOH K2SO4 + NaOH Ba(OH)2 + NiCl2 Ba(OH)2 + MgCl2 Ba(OH)2 + K2SO4 Ba(OH)2 + NaOH Na2CrO4 + Sr(NO3)2 Na2CrO4 + Al2(SO4)3 K2CrO4 + Sr(NO3)2 K2CrO4 + Al2(SO4)3 AgNO3 + BaCl2
asked by Anonymous 
FRENCH
Does the word "CHER" require an accent mark? What is the feminine form of the word? Additionally, can you remind me of the correct nomenclature for the two kinds of accent marks and which directions they go??
asked by JRobin 
Physics
A 1.00kg beaker containing 2.0 kg of oil (density = 916 kg/m3) rests on a scale. A 2.00kg block of iron is suspended from a spring scale and is completely submerged in the oil. Find the equilibrium readings of both scales. I was able to find the
asked by Jimmy 
Chemistry
A solution of 2.50 g of a compound having the empirical formula C6H5P in 25.0 g of benzene(C6H6) is observed to freeze at 4.3 degrees C. Calculate the molar mass of the solute and its molecular formula.
asked by Sara 
Calc
Find the points on the graph of y = 1/x where the graph is parallel to the line 4x + 9y = 3.
asked by Michael 
7th grade
what makes a piano laugh? itsa math riddle
asked by Anonymous 
Math
There are 4 black marbles and 5 red marbles in a bag. If you reach in and randomly select 2 marbles, what is the probability that both are red? Explain your reasoning.
asked by anon 
earth
A cold front traveling at an average speed of 35 km/h eastward is 280 km due west of you. Appoximately how long will it be before your location experiences a sudden temperature drop?
asked by D 
HUMAN RELATIONS, PART 2
1. A relationship between an employee and a supervisor is a A. horizontal relationship. B. vertical relationship. C. family relationship. D. past relationship.
asked by hibo ahmed 
Statistics
A life insurance company sells a term insurance policy to a 21yearold male that pays $100,000 if the insured dies within the next 5 years. The probability that a randomly chosen male will die each year can be found in mortality tables. The company
asked by Katja 
Chem
When dissolved in an aqueous solution, which of the following salts will yield a neutral solution? Choose one answer. a. KCN b. NaHSO4 c. Na3PO4 d. AlBr3 e. MgBr2
asked by Stephanie 
physics
A figure shows two forces acting on an object. They have magnitudes F1 = 6.3 N and F2 = 2.1 N. What third force will cause the object to be in equilibrium?
asked by emerald 
Calc
A certain item sells for $30. If the cost of producing this item is given by C = .05s^3 + 100, find the marginal profit when x = 10.
asked by Leslie 
Physics
Omar throws a rock down with speed 12 m/s from the top of a tower. The rock hits the ground after 2.0 s. What is the height of the tower? (air resistance is negligible)
asked by Jesse 
Physics
Mt. Everest is more than 8,000 m high. How fast would an object be moving if it could free fall to sea level after being releases from an 8,000m elevation? (Ignore air resistance)
asked by Jesse 
Math
A children's game has a spinner that is equally likely to land on any 1 of 4 colors: red, blue, yellow, or green. Determine the probability of spinning a red both times on 2 spins. Explain your reasoning.
asked by Trev 
Physics
An automobile driver puts on the brakes and decelerates from 30.0 m/s to 0 in 10.0 s. What distance does the car travel?
asked by Jesse 
Physics
A nuclear power plant has an electrical power output of 1200 MW and operates with an efficiency of 31%. If excess energy is carried away from the plant by a river with a flow rate of 1.0 multiplied by 10^6 kg/s, what is the rise in temperature of the
asked by Chelsea 
physics
A billiard ball traveling at 8.0 m/s has an elastic collision with a second billiard ball of equal mass that is at rest. After the collision, the first ball is at rest. What is the velocity of the second ball after the collision?
asked by bob 
Physics
An aircraft has a liftoff speed of 120 km/hr. What minimum constant accelerationdoes this require if the aircraft is to be airborn after a takeoff run of 240 m?
asked by Jesse 
physics
An 85.0 kg fisherman decides to jump from his boat onto the dock. If the velocity of the fisherman is 4.30 m/s to the west and the boat is 185 kg, what is the velocity of the boat after the fisherman jumps out?
asked by bob 
physics
A pilot wants to fly west (ie., the resultant is west). If the plane has an airspeed of 9.5 m/s, and there is a 25m/s wind blowing north, in what direction must she head the plane?
asked by jane 
Physics
A platform of mass 0.83 kg is supported on four springs (only two springs are shown in the picture, but there are four altogether). A chunk of modeling clay of mass 0.65 kg is held above the table and dropped so that it hits the table with a speed of v =
asked by Susan 
Physics
A baseball is released at rest from the top of the washington Monument. It hits the ground after falling for 6.0 s. What was the height from which the ball was dropped? (g=9.8 m/s2 and assume air resistance is negligible)
asked by Jesse 
11th grade
the mass of a dog that weighs 100 N how many kilograms does it weigh?
asked by Catherine 
Physics
A nuclear power plant has an electrical power output of 1200 MW and operates with an efficiency of 31%. If excess energy is carried away from the plant by a river with a flow rate of 1.0 multiplied by 10^6 kg/s, what is the rise in temperature of the
asked by Chelsea 
physics
C) A steel ball bearing the radius 1 cm is rolling along a table with speed 20 cm/sec when it starts to roll up an incline. How high above the table level will it rise before stopping? Ignore friction losses
asked by kwaku 
Physics
A colony of troglodytes has been in a lengthy feud with its neighbors on the adjacent cliff. Colony A finally develops an important military breakthrough: it rolls bombs off its cliff at known rates of speed, thus gaining pinpoint accuracy in its attacks.
asked by Anna 
English lit
So, for my english class, I'll have to write a Short story ( Exposition Rising Action Climax Falling action Resolution ) I'd like the story to be around the theme of christmas or horror during xmas. So I need you guys to help inventing a story with a
asked by Simon 
math, 5th grade
I am really stuck on how to figure this answer out, could you please help me? A stoplight flashes red for 50seconds, yellow for five seconds, and green for 65 seconds. In a 24 hour period, how long is the light red?
asked by phoebe 
chemistry
Given the reaction 3C(s) + 4H2(g) + 5O2(g) > 3CO2(g) + 4H2O(l) ÄH= 2323.7 kJ How much heat would be released when 34.1 g of H2 react?
asked by chemistry 
Alliteration
Bold alleteration
asked by Anonymous 
algebra
The question is: You plan on attending a picnic for the up coming holiday. You can either go to your sister's picnic who lives 10 miles west of your house or to your friends picnic who lives 10 miles east of your house. write an absolute value inequality
asked by bianca 
Chemistry 111
A gas occupies a volume of 256mL at a pressure of 250torr at 32 degrees Celsius. Calculate the pressure (in atmosphere)if the volume is reduced to 156mL and the temp is increased to 62 degrees Celsius. I really need the formula that I would be using. I am
asked by Lotty 
Algebra
Please Help. How long, to the nearest tenth of a year, will it take $12,500 to grow to $20,000 at 6.5% annual interest compounded quartely? (Use the formula for compound interest with n compoundings per year to solve for t.)
asked by Roger 
Chemistry
A large sport utility vehicle has a mass of 2500kg. Calculate the mass of CO2 emitted into the atmosphere upon accelerating the SUVfrom 0.0mph to 66.0 mph. Assume that the required energy comes from the combustion of octane with 30% efficiency. (Hint: Use
asked by Ashley 
Chemistry
The voltaic cell described by the cell notation has a standard emf (electromotive force) of 0.94 V. Calculate the value (J) for the maximum electrical work that the cell can do under standard conditions. Round your answer to 3 significant figures. Pt(s) /
asked by Roger 
Physics
An iron block of the mass 1 kg is suspended on a spring of the spring constant 140 N/m, and merged into a vessel with 8 liters of water. The mass is displaced by 10 cm from its equilibrium position, and released. How much energy in J has been dissipated by
asked by HelpPlease 
11th grade
is Br2(L)+Cl2(g)>BrCl(g) a balanced equation?
asked by youu 
Chemistry
The electrochemical cell described by the balanced chemical equation has a standard emf (electromotive force) of 0.35 V. Calculate the value (J) for the Wmax that the cell can do under standard conditions. Round your answer to 3 significant figures.
asked by Roger 
physics
Find the rotational kinetic energy of the earth about the sun due to its orbit about the sun. The mass of the earth M is 6 x 1024 kg, the orbital radius r is 1.5 x 1011 m and the rotational period T is 1 year. Treat the earth as a point mass in this
asked by Qay 
Chemistry
An aqueous solution of H2SO4 is 60.0 % H2SO4 by mass. The density of the solution is 0.968 g/mL . I need to find the Molality, mole fraction, and Molarity.
asked by Sara 
trig
prove cosx+cotx/secx+tanx =cosxcotx
asked by Leslie 
college chemistry..
a sample of lead glass is prepared by melting together 20.0 g og silica (SiO2), and 80.0 g of lead oxide (PbO). what is the mole fraction of SiO2 and PbO in the glass?
asked by Anonymous 
physics
when a force of 80n acts on a 500g hockie puck, at what rate will the hockie puck accelerate?
asked by amber 
Precalc
Find the vertex and focus of the parabola. (x^2)(24y) = 0
asked by barb 
Physics
A plane drops a hamper of medical supplies from a height of 3410 m during a practice run over the ocean. The plane's horizontal velocity was 121 m/s at the instant the hamper was dropped. What is the magnitude of the overall velocity of the hamper at the
asked by Anna 
chemistry
A compound is composed of 19.998% carbon, 3.331% hydrogen, 23.320% nitrogen, and 53.302% Oxygen. Its molar !@#$%^& is 120.07 gram/mole. What are the empirical and molecular formulas?
asked by regina 
Physics
I need help with part b, c, and d please! A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.4 * sin( 4 * t ) where y is measured in meters and t in seconds.
asked by Susan 
Physics
A 156 g hockey puck is attached to a rubber band and rotated with an angular speed of 9.2 rad/s on frictionless horizontal ice. It takes a force of 1.22 N to stretch the rubber band by 1 cm.
asked by Susan 
physics
A wheel is roatating freely at an angular speed of 800 rev/min on a Shaft of negligible moment of inertia. A second wheel initially at rest and with twice the moment of inertia of the first, is suddenly coupled to the same shaft. (a) what is the angular
asked by kwaku 
Math
A bakery makes 4 different kids of cake. Each cake can have 3 different kinds of frosting. Each frosted cake can be decorated in 2 different ways. How many ways are there of ordering a decorated, frosted cake?
asked by Dillard 
10th grade
Consider the following chemical equation: NaOH (aq) + HCl (aq) ® NaCl (s) + H2O (l), the reactant NaOH?
asked by Alexandria 
Physics
Rubber Band A 156 g hockey puck is attached to a rubber band and rotated with an angular speed of 9.8 rad/s on frictionless horizontal ice. It takes a force of 1.12 N to stretch the rubber band by 1 cm. (a) If the original length L of the rubber band is 1
asked by Help 
Energy Transfer in Natural Systems
If u reach into a hot oven to remove a pizza, ur arm is not burned by the hot air but would be burned if u touched the pan. Explain. If u reached into a hot oven to remove a pizza, ur arm would not get burned by the hot air, instead it would get burned if
asked by Sydney 
chemistry
what is the molarity of 275mL of a solution containing 23.83 mg of Mg Cl(2)
asked by melissa 
Algebra
If Dale can paint a room in 5 hours alone and Chip can paint the same room in 7 hours alone. How long would it take them together to pain the room?
asked by Sandra 
Statistics
Is
asked by Lucy 
Chemistry 22
What is the balance molecular formula of K2SO4 + MgCl2
asked by Anonymous 
Phyics
A 715N person walks up three flights of stairs, covering a total vertical distance of 10.5(a)If as typical, only 20% of the caloric (food) energy is converted to work by the muscles, how many joules and food calories of energy did the person use
asked by Anonymous 
Chemistry
You use 11 ml of a 1M H2SO4 solution to titrate 6ml of ammonium hydroxide solution. What was the concentration of the ammonium hydroxide solution?
asked by Eddie 
Geography
How is monsoon the unifying bond for the people of India?
asked by Tamara 
Physics
I got part a and b, but not c. We are trying to find delta T in part c, but I'm still confused on where to start even with the help. (a) An iron block of the mass 1.2 kg is suspended on a spring of the spring constant 140 N/m, and merged into a vessel with
asked by Susan 
Calculus
Find the unique solution to the differential equation y"?1y'?6y=?24(t^2)+10t+41 satisfying the initial conditions y(0)=?6 and y'(0)=?26
asked by Hannah 
Statistics
A group of doctors is trying to see if a vaccine causes a certain type of disease. They take individuals with the certain disease and individuals without the disease. They then use research to estimate the relative incidence of the onset of the disease
asked by Melissa 
Fine Art
2. Which of the following were used by cave painters to make pigment? a. Stone and moss b. Moss and clay c. Clay and stone d. Stone and water A 5. Having one or more centers of interest on a composition is called a. balance b. rhythm c. emphasis d. harmony
asked by mysterychicken 
Math
If you won 60% of the games and lost 8 games. How many games did you win?
asked by John 
physics
a chunk of clay in the shape of Bugs Bunny has a mass of 0.75 and an initial velocity of 5.0 m/s to the right. a second chunk of clay is in the shape of Elmer Fudd has a mass of 0.25 kg and an initial velocity of 3.0 m/s to the left. what is the composite
asked by bob 
physics
A 65 kg person runs with a horizontal velocity of 3.5 m/s and jumps onto an 0.9 kg skateboard which is initially at rest. Assuming negligible friction, what will be the final velocity of the skateboard and the person?
asked by bob 
Math209
I am not understanding how to factor polynomials. Example: Factor 12y^640y^5+28y^4
asked by Lisa 
algebra 2
If $8,500 is deposited in a compound interest account paying 3.9% interest annually, how much will be in the account after 12 years?
asked by Jasmine 
algebra
(50 divided by 10)3power x 2+6x 0.6 =
asked by Ariel 
math
If you charge care for dogs 100 dollars plus an annual rate of 30. And cats 120 and an annual rate of 35 dollars, what is the difference of the standard deviation of the variables?
asked by jhenssine 
Energy Transfer in Natural Systems
Match each example to a heat mechanism. Terms may be used more than once. EXAMPLES: A. Water is heated on a stove. B. You feel cold near a closed window. C. You feel cool air at your feet when you open the refrigerator. D. A blacksmith dips redhot steel
asked by Sydney 
math
Kira has feet of fencing. She will use it to form three sides of a rectangular garden. The fourth side will be along a house and will not need fencing. For the area of the garden to be the maximum, how long should the side opposite the house be?
asked by Mary 
science
A ball having a weight of 1.5 N is dropped from a height of 4 meters
asked by Anonymous 
Business Communications
In response to a compliment on his excellent oral presentation, a Japanese business executive replies, "No, it wasn't very good." Which of the following is the MOST likely explanation for this response? (Points: 5) He thought the person giving the
asked by lisa 
health
A man is shot in the head, and the bullet stops just outside the dura nater. What is the innermost layer that the bullet has penetrated? A. Skin B. Bone C. fat D. Periosteum I think it is BONE from what I have seen in the diagram
asked by betty 
calc
eliminate parameter t when x= ln(sqrt(1+t^2)+t) and y = sqrt(t^2+1 so to produce an equation y=f(x).
asked by Ang 
chemistry
The volume of 02 collected over water at 25 Celcius and 740 torr was 250 mL. What volume will the dry 0x occupy at STP (Vapor pressure of water at 25 celcuis is 23.8 torr)
asked by dody 
Chemistry
Please help, if you can. If you have a Log (x) = 0.123 ..... What does x = ?
asked by Garrett 
physics
is the momentum and force the same for a equal mass cars when: 1. they collide head on both at 30 m/s. 2.one collides with a brick wall at 60m/s
asked by johanna 
algebra
I'm doing functions, and I need to write an equation that represents the relationship between X and Y. (1,4),(2,7),(3,10),(4,13) I see what it is, but i don't know how to write it in an equation? it's like adding in the next odd number?
asked by Michelle 
math
One of your friends is heading north for the Christmas holiday and the other friend is heading south. If their destinies are 1029 miles apart and one car is traveling at 45 miles per hour and the other car is traveling at 53 miles per hour. How many hours
asked by carl 
education
Professional Growth Statement: __________________________________________________________________________________________ ____________________________________________________________________________________________________________________. Timeline: This
asked by GREG 
environmental chemistry
PHcatalyzed reaction, NH3 + HOCl > NH2Cl + H20 , how do I plot log k_obs vs pH? NH4 + HOCl > NH2Cl + H20 rate expression : d(NH2Cl) / dt = k_obs (C_T,N)(C_T,OCL) assume (C_T,N) and (C_T,OCL) concentrations are constant pKa for NH4+ = 9.3 pKa for HOCl =
asked by dee 
Calculus
Represent f(x)= (e^x 1)/x as a power series.
asked by Linda 
Business Communications
Unsuccessful groups are more likely than successful groups to: (Points: 5) pay close attention to how something is said. rationalize criticism. deal directly with conflicts that emerge. make important decisions together. im not understanding this
asked by lisa 
10th grade
how do you calculate the volume of the aluminum block from the apparent change in the volume of water in the cylinder?
asked by jake 
Science
How is an oxide ion formed?
asked by Ari 
calc ii
eliminate parameter t when x= ln(sqrt(1+t^2)+t) and y = sqrt(t^2+1 so to produce an equation y=f(x).
asked by Ang 
statistics
The mean age of Facebook users is below 20." What is an appropriate null hypothesis?
asked by Anonymous 
Statistics
How many students must we sample if we want to be within 4% of the true proportion of female students at DeVry University when using a 95% confidence interval?
asked by Heather 
Biology / DNA / science
Hi, Can anyone confirm my answer here.. I need to determine familial relationship Body 1 Body 2 Body3 Locus 1 14,19 16,18 14,18 Locus 2 15,21 18,18 17,21 Locus 3 11,11 12,13 11,12 Locus 4 18,19 18,24 18,23 Locus 5 13,14 14,15 12,14 Locus 6 29,29.2 29,31.2
asked by Rooster 
science
Is Kinetic energy always conserved? I know that energy is conserved, butI don't think that Kinetic energy is always conserved?
asked by john 
Math
If a monkey falls from a 94 foot tree, how long does it take him to hit the ground.
asked by Karen 
Geometry
If mÚa = 2x + 4 and mÚb = 4x  10, what is the measure of Úa?
asked by Anonymous 
Biology
Skin color is the result of: A. the quality of melanin in the skin B. the number of macrophages C. the amount of fat in the epidermis D. stratum basale and the thickness of those cell. Cant really find any of those answers. Thanks for helping!
asked by Sarah 
Business
Is it possible for companies both to maximize financial value for shareholders and to act irresponsibly in the communities in which they operate, to treat their employees, customers, and suppliers well, and to engage in activities that are good for the
asked by Elizabeth 
probabbility
Find the (theoretical) probability of a given event, assuming that the dice are distinguishable and fair, and that what is observed are numbers uppermost. Two dice are rolled; the numbers add to 7. 1
asked by LC 
Chemistry
why would acetic acid concentration of a good vinegar need to be known for commercial reasons and regulatory health and safety reasons
asked by andrea 
calc
eliminate parameter t when x= ln(sqrt(1+t^2)+t) and y = sqrt(t^2+1 so to produce an equation y=f(x).
asked by Ang 
chemistry
what mass of mg must you use to make 5.6x10 to the fourth power of mg(OH)2
asked by Jory 
chemistry
If you have a 29.6 mass percent KCl in benzene,what is the new boiling point?
asked by regina 
algebra
a metal stays solid a fahrenheit temperature below 1756.7 degrees. determine (in terms of an inequality) Celsius temperatures for which the metals stays solid. use formula F=9/5C +32.
asked by norma 
Calculus
(1 pt) Find the unique solution to the differential equation y"?5y'+6y=?312sin(2t) satisfying the initial conditions y(0)=?31 and y'(0)=?18
asked by Hannah 
chemistry
calculate the molarity of 70.7g C2H6O in 2.25 L of solution, can someone walk me through this and provide the right answer? please and thank you =))
asked by Jenni 
physics
A convex mirror with a radius of curvature of 10 cm (C=10 cm) produces a virtual image 1/3 the size of the real object. What is the object's distance?
asked by Tim 
college
The first class in a relative frequency table is 50–59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?
asked by Anonymous 
algebra
Solve for x: (1/3)(4+3x)=1/2
asked by m 
Biology
Explain your liver's role in changing your blood sugar level
asked by Emily 
Algebra
If 1/8 is invested in US stocks and 1/10 invested in japanses stocks and 1/5 invested in european stocks the how much is invested in municipal bonds? How do I figure out this problem?
asked by Janice 
Chemistry
suppose a pippetting error was made when preparing the diluted vinegar, but the diluted vinigar solution was uniform and the naoh titration values were consistant. when will the student learn that the experiment result was not accurate explain
asked by andrea 
Philosophy
What does it mean to be a person?
asked by Rochelle 
Calc
Find y' for y = x/(x+y)
asked by Brandon 
MTH
What is an example of an interquartile range that is equal to the range
asked by Anonymous 
English  Grammar
trying to diagram sentence for Bible class  trying to determine what the modifying phrases are, etc. For the wrath of God is revealed from heaven against all ungodliness and wickedness of those who by their wickedness suppress the truth. I know the
asked by PJ 
History
I need some help with my history assignment. I need to know what is the difference in modern terrorism and its historical antecedents.
asked by Mya 
Math
find the x & y intercepts of log[5](25+7x)1
asked by Chelsea 
language
grendel is feared and hated because he: A)smells badly B) destroys crops C) eats men D) chases children.
asked by kim 
Biology
I need help making a concept map. I have to put the following words into one and i don't know where to start. Gene DNA Chromosome Mutations Protiens Central Dogma Signal Transduction Nucleus mRNA tRNA rRNA Ribosomes Autosomes Sex Chromosomes Recessive
asked by Brittany 
Math
Suppose you want to use hardwood flooring for most of a 750 square foot apartment. Labor costs are $250 plus a $2 feet per square foot of installation. The cost per square foot of hardwood flooring is $7.00. Write an inequality to show the square feet in
asked by Helene 
Math
Donna and Rod bought a new van at an end of year sale for dealer cost plus 5%. If they paid $17,325.00 what was the dealer cost in dollars?
asked by T 
college
I need help with writing a thesis statement for a paper on discrimination in a diverse culture
asked by Amelia 
world issues
INFORMATIONS ABOUT CULTURAL DEVERSITY IN EUROPE
asked by Anonymous 
10th grade
log (x9)  109x=log 19
asked by andre 
humanistic theory
People often make career changes in their lives. How would the humanistic theory of behavior explain this phenomenon?
asked by katrina 
college
President Bush has stated that if any nondemocratic country's people seek freedom, America will stand with them. Freedom and democracy, however, takes several forms. What kind of democracy and freedom should a country that has never enjoyed these
asked by Destiny 
Finance
A nonprofit hospital's asset definition is >$1500, but they want to buy 10 chairs at $200 each  for a total purchase price of $2000. The useful life of the chairs would be 15 yrs, per AHA guidelines. Can this purchase be capitalized & depreciated over
asked by Anne 
chem
standard free energy change of 11.70 kJ mol1. Calculate equilibrium constant for 25 degrees C. I got 7.772..and it's wrong I did 11700J/ (2.303 x 8.314 x 298)= 2.0505277 and then e^(2.0505277)= 7.77 I don't know what I did wrong
asked by Yoo 
com/156
can you help on how to write an outline for credit card companies should not be on campus marketing to college students
asked by elizabeth 
math
44/53=?/13 (fill in the ?)
asked by brandy 
Calculus Help
Let c and dd be positive real numbers. Show that regardless of c,d, the parabolas r=c/(1+cos(theta)) and r=d/{(1costheta) intersect at rights angles
asked by Sarah 
advanced math
abd+ntv/783bkm=x+B+C/DFG2*gh/32bkm solve for B could someone explane to he how to do this? i am so very confused.
asked by Taylor 
acc225
Complete Problems 54B on p. 214
asked by carmen 
acc225
Please help me to complete Problems 54B on p. 214
asked by carmen 
Math
Would you rather take an exam that typically has an mean of 80 with a standard deviation of 3 or an exam with a mean of 80 with a standard deviation of 15? why?
asked by Rena 
Chemistry
suppose a pippetting error was made when preparing the diluted vinegar, but the diluted vinigar solution was uniform and the naoh titration values were consistant. when will the student learn that the experiment result was not accurate explain
asked by peter 
English
Another question regarding works cited in MLA style. I would like to put 2 photos in my work How do I do that? I cannot find anywhere how to put photos in MLA style. Thank you
asked by tee 
sociology
stating that age is "socially constructured" means
asked by malique braxton 
anatomy and physiology
A 67yearold man is diagnosed with cancer and subsequently undergoes chemotherapy. As an expected side effect of chemotherapy, his bone marrow stops functioning. What is a potential consequence of this loss of function?
asked by stacy 
Math Probability
Find the (theoretical) probability of a given event, assuming that the dice are distinguishable and fair, and that what is observed are numbers uppermost. Two dice are rolled; the numbers add to 7. 1
asked by Liz 
algbra
if x+3is factor of x^3+2x^2ax18 find value of 'a'
asked by jashbhai 
math
multply to find an equivalent fraction 3/4
asked by angel 
Calc
Find dy/dx for y = sq. root (2x+1) * x^3
asked by Brandon 
calc ii
eliminate parameter t when x= ln(sqrt(1+t^2)+t) and y = sqrt(t^2+1)
asked by Anonymous 
science
is the sun dynamic in changing, unchanging, inactive, or perfectly homogeneous? I am so confused!!!! I need it for my poster!
asked by Mimi 
Chemistry
the idea expressed in whims is known as
asked by dylan