Questions Asked on
July 30, 2012

Chemistry
If the rate of formation of ammonia is 0.345 M/s, what is the rate of disappearance of N2? 1/2N2(g)+3/2H2(g)>NH3(g) a. 0.173 M/s b. 0.345 M/s c. 0.690 M/s d. 245 M/s e. 0.518 M/s
asked by Taylor 
Chemistry
Given the following data, determine the rate constant of the reaction 2NO(g) + Cl2(g) 2NOCl(g) Experiment [NO] (M) [Cl2] (M) Rate (M/s) 1 0.0300 0.0100 3.4 x 10–4 2 0.0150 0.0100 8.5 x 10–5 3 0.0150 0.0400 3.4 x 10–4 a. 1.13 M –2s–1 b. 9.44 M
asked by Taylor 
physics
The area shown is the boundary of a magnetic ﬁeld directed in the positive z direction. An electron with a velocity along the xaxis enters the ﬁeld at coordinates (x, y) = (−2 m, 0) and exits 0.35 µs later at point A whose coordinates are (x, y) =
asked by jayren 
stats 101
how do you find the lower class limit,upper class limit, class width, class midpoint, and class boundaries from a set of frequencies data
asked by kelly 
Chemistry
Which of the following is an oxidationreduction (redox) reaction? A. 2K(s) + 2H2O(l) → 2KOH(aq) + H2(g) B. 2NaN3(g) → 2Na(g) + 3N2(g) C. 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g) D. Fe(s) + Ni(NO3)2(aq) → Fe(NO3)2(aq) + Ni(s) E. all of the above
asked by Michael 
sat math
At a certain hospital, 89 children were born in the month of June. If more children were born on the fifteenth of June than on any other day in June, what is the least number of children that could have been born on the fifteenth of June? The number of
asked by skye 
Pharmacy Math
If you diluted 95ml of a 7% benzocaine lotion to 5% how much could you produce? ___
asked by Betty 
english
Identify the simple predicate in the following sentence. Our basketball team will play against Wilson High School on Friday night.
asked by brandon 
Chemistry
The standard molar entropy of lead(II) bromide (PbBr2) is 161 J/mol • K. What is the entropy of 2.45 g of PbBr2? a. +1.07 J/K b. –1.07 J/K c. +161 J/K d. –161 J/K e. 0 J/K
asked by Taylor 
Dynamics
A stone is thrown vertically upward from the top of a 30m high building with a velocity of 15m/s. Taking the acceleration of stone as 9.81 m/s2. And taking that as constant, determine a) the velocity v and elevations sy of stone above the ground at any
asked by Rajan 
Chemistry
. In a biochemical reaction, A + B>C with äG = 30 kJ/mol. Which of the following reactions might be effectively coupled to this reaction so that it becomes more spontaneous? I. C + D are the reactants, and B + E are the products äG = 40 kJ/mol II. C +
asked by Taylor 
geometry
Alex plots 4 points K, L, M, and N. He joins points K and L and points M and N with straight lines as shown. Alex made the following statements about the points. Statement 1: and intersect on the same plane. Statement 2: and intersect at point P. Which
asked by Anonymous 
human resources
1. An example of internally aligning HR practices is: a. implementing an employee dress code that increases customer satisfaction. b. creating a recruitment plan that targets the predominate groups in the organizations labor market. c. implementing a
asked by karen 
Calculus 1 Integration Trig Inverse
integral of (4/(x times the square root of (x^21)) + (1+x+x^3)/(1+x^2)dx
asked by Anonymous 
physics
a uniform pole 20 ft. long weighing 80 lbs is supported by a boy 2 ft. from end a and a man 5 ft. from end b. at what point should a load of 100 lbs be placed so that the man will support twice as much as the boy?
asked by Anonymous 
geometry
A room is 11ft by 21ft and it needs painted. The ceiling is 8ft above the floor. There are two windows in the room, each is 3ft by 4ft. The door is 2.5ft by 6.5ft. a)Find the area the walls and ceiling to be painted. b)One gallon of paint covers 72.63 sq
asked by face 
math
find the remainder when 13^16 + 17^12 is divided by 221.
asked by Adam 
statistics
In a timeuse study, 20 randomly selected managers were found to spend a mean of 2.40 hours each day on paperwork. The standard deviation of the the 20 scores is 1.30. Also, the sample data appear to have a bellshaped distribution. Construct the 95%
asked by jamie 
Chemistry
Indicate which of the following has the highest entropy at 298 K. 0.5 g of HCN 1 mol of HCN 2 kg of HCN 2 mol of HCN All of the above have the same entropy at 298 K.
asked by Taylor 
Chemistry
If at a certain instant during the course of the reaction 2 NO2(g) + F2(g) ¨ 2 NO2F(g), the rate of formation of the product were 0.16 mol/L∙s, how fast would the F2 be disappearing (also in mol/L∙s) at that same instant in time? A) 0.16 mol/L∙s
asked by Taylor 
Chemistry
A nine liter tank has 150 atmospheres of bromine in it at 27°C. What is the added mass of the tank due to the gas?
asked by Reid 
chem
what volume of 1M NaOH is needed for the reaction with 1L of 1M HCl?
asked by rick 
Chemistry
How much ethanol C2H50H in liters d=0.789g/ml must be dissolved in water to produce 190.5 of 1.65M c2H50H ? Molarity problem. Who helps me to solve it for me. My calculation 0.789g/ml x 1000ml/46.06 = 17.12M 17.12M = 190.5 x 1.65 17.12M = 314.325 x=
asked by Fai 
maths
solve the word problem (rates per kg) 1) Mary buys 7 kg peaches,and 5 kg bananas . what is the totala cost? 2)Sarah buys 1kg apple for herself and another 1 kg grapes for her brother . she also buys 2 kg peaches . what is the total cost?
asked by Anonymous 
maths
1) 11kg 2)4kg
asked by aswin 
Inorganic Chemistry
1) 5.0 mL of 6.0 x 10^4 potassium 5.0 mL of the solution prepared above are then mixed with
asked by Katheryn 
Maths B  Population Growth
The population P of a particular city, Metropia, is growing at a rate proportional to the current population. The population at time t years is modelled by the equation P=¡¼Ae¡½^kt where A and k are constants. With the aid of appropriate examples,
asked by Nina 
math
35 is what percentage of 175?
asked by mary 
Maths
The population P of a particular city, Metropia, is growing at a rate proportional to the current population. The population at time t years is modelled by the equation P=Ae^kt where A and k are constants. With the aid of appropriate examples, explain how
asked by Nina 
physics
Two Carts have a perfectly inelastic collision. Cart A has mass 47.2 kg and velocity 6.33 m/s directed north immediately before the collision. Cart B has mass 41.1 kg and velocity 4.4 m/s directed west immediately before the collision. What is the speed of
asked by Mike 
Caculus:Integration Inverse Trig
integral of (4/(x times the square root of( x^21)) + (1+x+x^3)/(1+x^2)dx
asked by Pam 
chemistry
If 35.7{\rm mL} of 0.205{\rm M} {\rm KOH} is required to completely neutralize 20.0{\rm mL} of a {\rm HC_2H_3O_2} solution, what is the molarity of the acetic acid solution? {\rm HC_2H_3O_2}(aq) + {\rm KOH}(aq) \to {\rm KC_2H_3O_2}(aq) + {\rm H}_{2}{\rm
asked by Anonymous 
programming
write a flowchart program which shows persentes of 4 student 1st 2nd 3rd 4th meximum nd minimum?
asked by shalini sharan 
Pharmacy Technician
35ml of active ingredient is mixed with distilled water to total 300ml. What is the final concentration (v/v)? ________
asked by Betty 
qbasic
how to print 2,5,11,20,32 to 200 and print its sum
asked by suraj 
Pharmacy Technician
If you diluted 95ml of a 7% benzocaine lotion to 5%, how much could you produce? _________
asked by Betty 
college physics
A 565 N mountain climber moves across a rope strung across a canyon. When she is more than halfway across, she notices the rope makes a 10.0 degree angle (from horizontal) behind her and a 25.0 degree angle (from horizontal) ahead of her. What are the
asked by Chris 
Dynamics
The velocity of cylinder which is released from rest on degree incline after it has rolled through a distance 1 is given by____________
asked by Tamil 
Dynamics
a 1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s. if the driver wishes to stop his car in a distance of 5m, determine the frictional force at pavement which must be supplied by rear wheels
asked by DHilsath 
us history
for Leisler Rebellion, what happens in the end? I understand that Leisler and his son in law were arrested and then hanged for treason. But what happened after that? The goverment regain control? Also for Bacon's Rebellion, what also happens in the end
asked by skye 
Dynamics
A ball is thrown vertically upward with a velocities of 18 m/s. Two seconds later another ball is thrown upwards with a velocity of 13.5 m/s. at what position above the ground will they meet?
asked by DHilsath 
Spanish
If i knew the answer i wouldnt be asking the question! Is it a bat, bull. If nobody knows the answer just say instead of keep saying ive not dun it properly
asked by Rebecca macdonald 
Spanish
Que animal de la gusta
asked by Rebecca macdonald 
Physics
An ac generator supplies an rms voltage of 5.00 {\rm V} to an RL circuit. At a frequency of 21.0{\rm kHz} the rms current in the circuit is 45.0 {\rm mA}; at a frequency of 26.0{\rm kHz} the rms current is 40.0 {\rm mA}. Find value of L an R ?
asked by AJ 
writing
Im speech and psychology this semester in college. I will like to know if there is any websites that can help me with writing a good paper. Thank you in advance!
asked by %%%Rena%%% 
Algebra 2
Find the value of x for which the equation below is true. 5x  2y 18 x + 6y=10 A.16 B.1 C.4 D.1
asked by True 
Calc
A paper cup is to be designed in the shape of a right circular cone. It must have a capacity of 12 fluid ounces (1 fluid ounce = 1.80469 cubic inches) of soft drink but it must use a minimum amount of material in its construction. What should the
asked by jo 
SINGER
ARE AVREL LAVIGNE WAS DEATH?
asked by RAM THAPA MAGAR 
Algebra II
1 ) Find the inverse of g(x) = 5x 2 2) the graph (x2)^2 + 3(y2)^2 = 25 is graph of a(an) ______ 3) which equation has a vertex (5, 4) a) y= (x+4)^2  5 c) y = (x5)^2 4 b) y = (x4)^2 +5 d) y=(x+5)^2 4 4) solve 8^x less than or equal to 25 5) name
asked by Bread 
math
Alice Correa bought three yards of cloth to make a dress. The cloth was on sale for $1.93 per yard. How much did Alice pay for the cloth if the sales tax was 5 percent?
asked by Anonymous 
statistics
The National Center for Education surveyed 4400 college graduates about the lengths of time required to earn their bachelor's degrees. The sample mean is 5.15 years, and assume that standard deviation is known to be 1.68 years. Based on the sample data,
asked by kathy 
math
johnny at 1/2 of a pizza, sue has 1/2 of another pizza, johnny said he ate more than sue, but sue says they both at the same amount, is johnny right?
asked by dylan 
statistics
In a timeuse study, 20 randomly selected managers were found to spend a mean of 2.40 hours each day on paperwork. The standard deviation of the the 20 scores is 1.30. Also, the sample data appear to have a bellshaped distribution. Construct the 95%
asked by vickie 
math
Sarah jumped 18 1/2 feet in the long jump competition. Rachel jumped 19 1/8 feet. how much further did rachel jump?
asked by she 
Cosumer math
Monthly rent: $309 Security deposit: $100 Utility deposit: $60 Phone installation: $38 Initial charges:
asked by Dave 
Chemistry
If you add 16g of sacicylic acid to 84g of an ointment base, what is the final concentration (w/w) the product? _______
asked by Betty 
Math
How much tolnaftate powder is in 7% Eucerin cream 85g? _______________
asked by Betty 
English 3
In the sentence I gave Ellen and Jane the card, the word Jane can be replaced with the objective pronoun her. True
asked by Amy 
physics
An automobile starts from rest and 110 ft attains a speed of 30 mi/h. In what time has it traveled this distance and the is the acceleration?
asked by zianna 
English Literature
Does anyone know where i can read "Nervous Conditions", by Tsitsi Dangarembga, online?
asked by Barbie 
chem.
what is the % v/v when 105 mL of alcohol are dissolved in enough water to give a 700 mL solution?
asked by cliff 
physics
a train starts from rest ad at the end of 90° seconds has a speed of 10km/h. What is the acceleration?
asked by zianna 
math
Exactly how many digits are in 302627325(2^5300001+1)
asked by Jon 
physics
An automobile starts from rest and 110 ft attains a speed of 30 mi/h. In what time has it traveled this distance and the is the acceleration? when is the acceleration of the object positive and negative?
asked by zianna 
math
What is the smallest number n such that n! ends in at least 1000 zeros in base 10 notation
asked by Jon 
math
What is the probability that a randomly selected threedigit number has the property that one digit is equal to the product of the other two? Express your answer as a common fraction.
asked by grace 
chemistry
what is the volume of a sphere that has a radius, r = 3 in.
asked by bryce 
SCI 207
which of the following is not invovled in the study of source receptor relationship
asked by Anonymous 
sci 207
new technologies for emissions reduction and air quality montoring are most likely born from what
asked by Anonymous 
Physics
A Football player on team a is movin gat a velocity of 8ms at an angle of 49 below the x axis. He collides with a player on team B, The Player B is moving at 7.5ms at an angle of 41 below the X and has a mass of 110KG after the collision both players
asked by Alex 
Physics
A motorcycle stuntman must jump from a ramp to a platform. The platform is located 15M away and is 2M higher then the tip of the ramp. The ramp is at a 35Degree angle. At what velocity must he travel as he leaves the ramp in order to reach the platform.
asked by Alex 
Physiology
If barometric pressure is 480mmhg, what is the partial pressure of 02 in inspired air? At this pressure, what % of 02 would you have to gave in the air you are breathing so that the inspired p02 would be normal? ( 160 mmhg)
asked by Sharon 
Physiology
If your blood pressure is 160/60, what is your total peripheral resistance?
asked by Sharon 
Physiology
Calculate your plasma if your blood ph is 7.5
asked by lynn 
phys
If your metabolic consumption of oxygen is 1500ml/min, what is the P02 of venous blood?
asked by lynn 
math
If W(p)is congruent to 0(mod p), then p is a Wilson Prime. Show that 5 and 13 are Wilson Primes.
asked by Adam 
maths
give explanation of mean,mode,median & range.
asked by Anonymous 
Chemistry
8. The usual partial pressure of oxygen that people get at sea level is 0.20 Atm., that is, a fifth of the usual sea level air pressure. People used to 1 Atm. air pressure begin to become "lightheaded" at about 0.10 Atm oxygen. As a rule of thumb, the air
asked by Reid 
Chemistry
For which reaction is delta Ssys > 0? A) CH4(g) + 2 O2(g) ¨ CO2(g) + 2 H2O(l) B) NH3(g) + HCl(g) ¨ NH4Cl(s) C) 2 NH4NO3(s) ¨ 2 N2(g) + O2(g) + 4 H2O(g) D) HCl(aq) + NaOH(aq) ¨ NaCl(aq) + H2O(l)
asked by Taylor 
Chemistry
Calculate DeltaS0 for the formation of 1 mol of HI(g) from its elements given the following information: S0[H2(g)] = 131 J/mol∙K S0[I2(s)] = 116 J/mol∙K S0[HI(g)] = 206 J/mol∙K. A) 82 J/K B) 165 J/K C) 247 J/K D) 329 J/K
asked by Taylor 
Chemistry
If 1 mol of ice melts at its melting point of 273 K, the entropy change for the ice is 22.0 J/K. If the ice melts in someone’s hand at 34°C, what is the change in the entropy of the universe? Assume a final temperature for the water of 0°C. The
asked by Taylor 
Chemistry
What is the entropy change to the surroundings when 1 mol of ice melts in someone’s hand if the hand temperature is 32°C? Assume a final temperature for the water of 0°C. The heat of fusion of ice is 6.01 kJ/mol. a. –188 J/K d. b. –22.0 J/K c.
asked by Taylor 
Chemistry
Heat transfer from the system to the surroundings has a large effect on äSsurr ___________. a. when the temperature of the surroundings is low. b. when the temperature of the surroundings is high. c. when the temperature of the system is low. d. when the
asked by Taylor 
futhermaths
A circle has its centre on the xaxis and passes through(4,1)and(1,5).find its equation.
asked by sholarity 
Dynamics
A ball of mass 8 kg is thrown vertically upward from the ground , with an initially velocity of 25 m/s. Determine the maximum height to which it will travel if atmospheric resistance is neglected.
asked by Rajan 
Dynamics
A flywheel has an angular speed of 1200 rev/min when its motor is turned off. The wheel attains constant decelerations of 1.5 rad/s2 due to friction in its bearing. Determine the time required for the wheel to come to rest and the number of revolutions the
asked by Rajan 
Chemistry
What is the overall standard freeenergy change for the following two reactions? A + B>2C äG = äG1 C + D>E äG = äG2 a)äG1 + äG2 b)äG1 + 2äG2 c)äG2 – äG1 d)2äG2 – äG1 e)äG1äG22
asked by Taylor 
math
How do I work out the problem 39 1/5+ 97+ 58 2/7
asked by Anonymous 
Algebra
Two men and two women Elliot, Theo, Shelly and Tina are professionals who meet for a conference. One is a Dean of Students, one is a Director, one an Academic Advisor and one is an Instructor. The table is square. The instructor sat on Shelly’s left The
asked by TIA 
physics
1.The potiential energy of a particle varies with distance x from a fixed origin as v=A√x/x+B where A and B are constants.Find the dimensions of AB. 2.The refractive index of a material is given by the equation ʯ=A+B/ʎsquare where A and B are
asked by help me out it's urgent 
algebra
Use the distributive property to simplify the expression. 11(10+6)
asked by Shelby 
math
If Christopher wants to have the same number of hot dogs and buns, what is the minimum number of hot dogs he will have to buy?
asked by karla 
geography
what mountain range prevent moisture from the summer monsoon winds from reaching the interior of the subcontinent?
asked by history 
bond
Assume an investor with 5 years investment horizon is considering purchasing a 7 years 6% coupon selling at par. The investor expects to reinvest the coupon at 5% and that the bond will be selling to offer a yield to maturity of 4% in five years. What is
asked by ali 
math
Can you reduce the fraction 17/35.
asked by Anonymous 
Bio 207
If barometric pressure is 480mmhg, what is the partial pressure of 02 in inspired air? At this pressure, what % of 02 would you have to gave in the air you are breathing so that the inspired p02 would be normal? ( 160 mmhg)
asked by Sharon 
math project.. PLEASE HELP!!
The municipal swimming pool in Nicetown has three different ways of paying for individual open swimming. Evan is trying to decide which way to pay. • Early Pay: Pay $45 before Memorial Day; swim any number of days • Deposit Plus: $20 deposit plus $2.00
asked by Morgan 
Earth Science
I need help with the following Lab due tonight, 7/30/12, as I feel completely lost and would appreciate the help. The lab goes as follows: Design an experiment that illustrates the determination of the density of a cylindrical object found in the Lab Kit.
asked by Joe 
Chem
If your metabolic consumption of oxygen is 1500ml/min, what is the P02 of venous blood?
asked by Jimmy 
A&P
If your metabolic consumption of oxygen is 1500ml/min, what is the P02 of venous blood?
asked by Jimmy 
COMM 215
The capitalized verb agrees with the subject: One of my friends LIKE this brand of coffee. It is True/False. I picked False.
asked by Ann 
algebra
add simply or fraction 5 3 4  +  +  = 8 20 15
asked by Teresa 
Penn
I need to write a paragraph why i choose medical billing. It has to have different experiences that motivate you to choose that field
asked by Margaret 
American History
So were the Federalists considered the lesser party in contrast to the JeffersonianRepublicans? What were the differences in their views?
asked by Claire 
math
Find the error. Sam is finding 96+2. Find his mistake and correct it. Steps: First solve the problem. Second, write a summary statement. Third, find Sam's mistake and explain in complete sentences.
asked by Hannah 
calculus
y=x^3=cx and y=ax^2+bx1 have a common tangent at (1,4). find a, b, andc
asked by help needed 
COMM 215
When we drive in city traffic, you need to watch the traffic around your carefully. The choices are Pronoun shift in Number, Pronoun shift in Person, Ambiguous Reference, No Error. I picked Pronoun Shift in Person. Is this right?
asked by Ann 
math
Please simplify (3)2(3)2 + 22 * (5)(1)
asked by beth 
algebra
1/4x+ 1/5y=1 Find two solutions for the equation
asked by mook 
pharmacy math
15g of potassium chloride is diluted in 2L of sterile water for injection. What is the final perccent strength (w/v)? ____
asked by Jean 
Pharmacy Math
320ml of active ingredient is added to 680ml of an alcohol based solution. What is the final strength (v/v)? ___
asked by Jean 
Alg 2
Find the value of x for which the equation below is true. 5x  2y 18 x + 6y = 10 A.16 B.1 C.4 D.1
asked by True 
Alebra 2
If the system below were written as a matrix equation, by which matrix could you multiply both sides to obtain a solution? 4x + 6y = 24 5x + 8y = 40
asked by True 
algebra
The perimeter of a square field is yards. How long is each side?
asked by tesa 
Pharmacy Math
35ml of active ingredient is mixed with distilled water to total 300ml. What is the final concentration (v/v)? ____
asked by Jean 
Algebra 2 (again)
Find the value of y for which the equation below is true. 2x y + 7 x  = 7  3y 3, 3, 1, or 4
asked by True 
Pharmacy Math
How much stock solution of hydrogen peroxide 8% will you need to make 320ml of hydrogen peroxide 2% solution? ____
asked by Jean 
Pharmacy Math
If you diluted 95ml of a 7% benzocaine lotion to 5% how much could you produce? ___
asked by Jean 
Pharmacy Math
320ml of active ingredient is added to 680ml of an alcohol based solution. What is the final strength (v/v)? ___
asked by Betty 
Pharmacy Math
15g of potassium chloride is diluted in 2L of sterile water for injection. What is the final perccent strength (w/v)? ____
asked by Betty 
Pharmacy Math
35ml of active ingredient is mixed with distilled water to total 300ml. What is the final concentration (v/v)? ____
asked by Betty 
Physiology
Why does a solution of Haemolysed red blood cells look clear instead of cloudy?
asked by Natalie 
Pharmacy Math
How much stock solution of hydrogen peroxide 8% will you need to make 320ml of hydrogen peroxide 2% solution? ____
asked by Betty 
Dynamics
A 1500 kg automobile is traveling upto 20 deg inclined at a speed of 6 m/sec. If the driver wishes to stop his car in a distance of 5m,determine the frictional force at pavement which must be supplied by rear wheels.
asked by benny 
math
A ball is thrown vertically upward with a velocities of 18 m/s. Two seconds later another ball is thrown upwards with a velocity of 13.5 m/s. At what position above the ground will they meet?
asked by paramesh 
math
an open box is to be made from a square piece,of material 24cm on a side by cutting equal squares from each cover and turning up the sides.express the volume of the box as a function of x.what is the domain of this function?
asked by aiza saclolo 
Dynamics
A pelton wheel attains its operating speed of 800 rev/min% determine constant angular acceleration of pelton wheel
asked by benny