Questions Asked on
October 24, 2013

physics
Two workhorses tow a barge along a straight canal. Each horse exerts a constant force of magnitude F, and the tow ropes make an angle θ with the direction of motion of the horses and the barge. (Figure 1) Each horse is traveling at a constant speed v. How
asked by HELP 
Computer Programming using python
Assume s is a string of lower case characters. Write a program that prints the longest substring of s in which the letters occur in alphabetical order. For example, if s = 'azcbobobegghakl', then your program should print Longest substring in alphabetical
asked by Anonymous 
Physics
A given solar cell has the following specifications: Isc=4A Voc=0.7V 36 identical cells with the above specifications are to be interconnected to create a PV module. 1 What is the opencircuit voltage (in V) of the PV module if all the solar cells are
asked by youlife2015 
Geometry
Find JL if JK=17x, KL=2x7, and K is the midpoint of JL
asked by Alex 
US History
Which of the following statements about the Platt Amendment is true? A  It guaranteed that Cuba would be independent by 1915. B  It prevented the United States from intervening in Cuban foreign affairs. C  It essentially made Cuba a U.S. protectorate. D
asked by CJ 
physics
You are a member of an alpine rescue team and must get a box of supplies, with mass 3.00kg , up an incline of constant slope angle 30.0∘ so that it reaches a stranded skier who is a vertical distance 2.90m above the bottom of the incline. There is some
asked by HELP 
AP Chemistry
The standard enthalpy of formation of Mn2O3 is −962.3 kJ/mol. How much heat energy is liberated when 6.5 grams of manganese are oxidized by oxygen gas to Mn2O3 at standard state conditions? Answer in units of kJ
asked by Gabriella 
Physics
A 2.60kg block is attached to a horizontal spring that has a spring constant of 203 N/m. At the instant when the displacement of the spring from its unstrained length is 0.115 m, what is the acceleration a of the object? In your answer, be sure to
asked by Cheech 
Statistics
12) Allergic reactions to poison ivy can be miserable. Plant oils cause the reaction. Researchers at the Allergy Institute did a study to determine the effects of washing the oil off within 5 minutes of exposure. A random sample of 1000 people with known
asked by Amanda 
Computer Programming using python
Assume s is a string of lower case characters. Write a program that prints the number of times the string 'bob' occurs in s. For example, if s = 'azcbobobegghakl', then your program should print Number of times bob occurs is: 2 For problems such as these,
asked by Anonymous 
physics
A pump lifts 200kg of water per hour a height of 6.0m . Part A What is the minimum necessary power output rating of the water pump in watts? Part B What is the minimum necessary power output rating of the water pump in horsepower?
asked by HELP 
Computer Programming using python
You'll notice that in Problem 2, your monthly payment had to be a multiple of $10. Why did we make it that way? You can try running your code locally so that the payment can be any dollar and cent amount (in other words, the monthly payment is a multiple
asked by Anonymous 
Chemistry
Identify the following chemical equations by type. 1. If an electric discharge produces 500 cm3 of ozone (O3), how many cm3 of oxygen (O2) are required? 3O2(g) > 2O3(g) 2. When 2.75 dm3 of O2 react with an excess of glucose (C6H12O2), according to the
asked by UnName 
Statisctics and Probability
HI, I don't know how to approach this problem, could someone please help, thank you. Seeds are often treated with a fungicide for protection in poordraining, wet environments. In a smallscale trial prior to a largescale experiment to determine what
asked by Adelina 
Statistics
6)You are given the information that P(A) =0.30 and P(B) =0.40 (a) Do you have enough information to compute P(A or B)? Explain.(events A and B are mutually b) If you know that events A and B are mutually exclusive , do you have enough information to
asked by Amanda 
Health
Describe how respecting yourself and respecting your values can improve your selfesteem. A: If you respect yourself, you will be proud of yourself. Therefore, your selfesteem will rise. If you respect your values, you will less likely allow others to
asked by Anonymous 
algebra
a 9 foot board is cut into two pieces .one is 3.5 feet longer than the other. how long is the longer piece?
asked by nick 
biology
Covalent bonds are not affected by chemical reactions. true ir false
asked by hannah 
Physics
a) Family Smith has already installed PV in their house. Now, they also want to cover their needs for warm water with solar energy. For this, they consider having a solar thermal water heating system. Considering that the need for warm water is 100L/day,
asked by youlifex 
cal
Find dy/dx by implicit differentiation. x^3+8x+x^13yy^6=4
asked by cal 
biology
What are the reactants in the following chemical formula? C6H12O6 + 6O2 ¨ 6CO2 + 6H2O
asked by hannah 
GEOMETRY TRIANGLE
IN TRIANGLE ABC, A POINT D IS ON AC SO THAT AB=BD. ANGLE ABC  ANGLE ACB = 30. FIND ANGLE CBD HELP NNNNNDEEEEEDDDD PLEASE
asked by Barbie Lee 
Computer Programming using python
Assume s is a string of lower case characters. Write a program that counts up the number of vowels contained in the string s. Valid vowels are: 'a', 'e', 'i', 'o', and 'u'. For example, if s = 'azcbobobegghakl', your program should print: Number of vowels:
asked by Anonymous 
Computer Programming using python
Write a program to calculate the credit card balance after one year if a person only pays the minimum monthly payment required by the credit card company each month. The following variables contain values as described below: balance  the outstanding
asked by Anonymous 
math
Find the perimeter of the hypocycloid of four cusps, x^2/3+y^2/3=1/9
asked by Jingchi 
Science ms sue please help
True or false during dry weather the water level in a small pond drops because of runoff. I think it's true but I'm not sure And in the water cycle water returns to earth as condensation usually in the form of rain or snow. Is that true? And when water
asked by Gaby 
6th grade math
Can you check these problems, please? Translate each phrase into algebraic expression. 1. 5 more than D Ans: 5 + D 2. Twice a number W Ans: 2*W 3. Product of 60 and W Ans: 60*W 4. A number, N, decreased by 18 Ans: N  18 5. 14 minus a number, M Ans: 14  M
asked by Alex 
language
a synopsis of a novel focuses on a) the main points of the story b) the point of view of the story c) the setting of the story d) the primary conflict in the story
asked by victoria 
physics
You are driving north on a highway. Then, without changing speed, you round a curve and drive east. Does your velocity change
asked by Anonymous 
math
A rocket follows a parabolic trajectory. After t seconds, the vertical height of the rocket above the ground, in metres, is given by H(t) = 37t – t . Find the length of time the rocket is in the air. Could you please explain me, why answer is 37s? Thank
asked by Lucas 
Computer Programming using python
Now write a program that calculates the minimum fixed monthly payment needed in order pay off a credit card balance within 12 months. By a fixed monthly payment, we mean a single number which does not change each month, but instead is a constant amount
asked by Anonymous 
physics
A spherical shell of uniform charge density σ has a circular hole cut out of it.What is the Electric Field at a radius just outside the sphere, directly over the center of the circular, cutout hole? Type "sigma" for σ and "epsilon_o" for ϵo. HINT: the
asked by manu 
math
Stephen drove at a constant speed from Town X to Town Y at 9 A.M. yesterday. Half an hour later, Cole drove from Town X to Town Y at a constant speed that was 30km/h faster than Stephen's. By 9:30 A.M., Stephen traveled 40 km. Cole caught up with Stephen
asked by Jade 
Chemistry
Using molar volume (STP) or the ideal gas law equation, determine the molar mass, g/mole, of each of the following:1.)11.1g of a gas that has a volume of 1.50L at STP. 2.) 0.742g of a gas that has a volume 860mL at 1.28atm and 18∘C. 3.) 2.42g of a gas
asked by anonomous 
Statistics
12) Allergic reactions to poison ivy can be miserable. Plant oils cause the reaction. Researchers at the Allergy Institute did a study to determine the effects of washing the oil off within 5 minutes of exposure. A random sample of 1000 people with known
asked by Amanda 
Math
Need help with how to work the problem below. The answer key says the answer is 12,700 mi squared but I don't know how they got that. "The athletic dept. at Pi High School is planning a circular track 400 m long. The area inside the track will be planted
asked by Brandi 
Geometry
Given a triangle ABC with A(6b,6c) B(0,0) and C (6a,0), prove that the medians of the triangle are concurrent at a point that is two thirds of the way from any vertex to the midpoint of the opposite side. I'm not sure how to prove this. I tried and when I
asked by Cecilia 
Health
Describe three ways you can improve your selfesteem. A: You can improve your selfesteem by acting with integrity, choosing supportive friends, and accepting yourself.
asked by Anonymous 
math
round 997 to the nearest hundreds
asked by Raquel 
math
A company's weekly profit, in riyals, is modeled by the function P(u)=0.032u^2+46u3000. where u is the number of units sold each week. a) the maximum weekly profit. Answer: 13531.25 riyals b) the loss for week's holiday period, where no units are sold
asked by Lucas 
Physics
why does a hunter raise the barrel of his rifle when aiming at a distant target? If he aims directly at a target 115 m away, by how much will he miss the target of the muzzle velocity is 330 m/s?
asked by Kairi 
Physics
Consider two straight conductors of length 0.9m, carrying current of 19.9A and 12A respectively. If they are placed 0.3m apart, what is the value 10^6 ×F, where F is the magnitude of the force (in N) between these two conductors. Express the answer with
asked by Sabrina 
physics
A person jumps from the roof of a house 4.0m high. When he strikes the ground below, he bends his knees so that his torso decelerates over an approximate distance of 0.66m. If the mass of his torso (excluding legs) is 42kg , what is the magnitude of the
asked by john 
English
Hello, I am french and I have some english homework for tomorrow, Can you correct my English please ? Thank ou During the Victorian era, the middle class growth quickly. Moreover, the social divide was very important ( To illustrate this gap, the
asked by Mariek 
physics
A person of mass m jumps off the ground. Suppose the person pushes off the ground with a constant force of magnitude F for T seconds. What was the magnitude of the displacement of the center of mass of the person while they were in contact with the ground?
asked by Anonymous 
chemistry
Assign oxidation states to all atoms in compound. C2H2O4 i already know the other 2 but how do i find C C  ? H  +1 O  2
asked by Anonymous 
math
Stephen drove at a constant speed from Town X to Y at 9 A.M.yesterday. Half an hour later Cole drove from Town X to Y at A constant speed that was 30 km/h faster than Stephens. By 9:30 A.m, Stephanie had already traveled 40 km. Cole caught up with Stephen
asked by rain 
language
a costumer who has come to the store to browse will most likely a) rush through the aisles b) stroll to see what is new and interesting c) buy the one item he/she came looking for d) avoid any of the items on clearance
asked by victoria 
Algebra II
Having trouble solving this... Write the equation if a line that goes through (6,1/2) and has an xintercept of 5x2y=20 I think the xintercept is 4, but I don't know what to do with that.
asked by Tim 
math
Ms. Ross has 24 students, 2/3 of the students have brown hair and the rest have blond hair. How many students have brown hair?
asked by Renee 
chemistry
A 0.286g sample of carbon dioxide, CO2, has a volume of 585mL and a pressure of 495mmHg . What is the temperature, in kelvins and degrees Celsius, of the gas?
asked by ellie 
personal finance
which of the following is a credit management decision? a. Purchasing a used car. b. investing your savings in a stock market c. obtaining a student loan to attend college d. putting money into your retirement account
asked by Michelle 
math
What is a quartic function with only the two real zeros given? x = 4 and x = 1
asked by tabatha 
Physics
A 4.7 kg bag of groceries is in equilibrium on an incline of 26 degree. The acceleration of gravity is 9.81 m/s square. What is the magnitude of the normal force on the bag? Answer in units of N
asked by Auline 
Math
v7/5=2 What does v equal? Please show all work.
asked by Sarah 
math
When a skydiver jumps from an airplane, the distance d in feet the diver falls in t seconds before opening the parachute is given by the formula d=16t^2. The formula assumes that there is no air resistance. Find the time it takes a skydiver to fall 1,551
asked by victoria 
math
How does finding the square root of a number compare finding the cube root of a number? Use the number 64 in your explanation.
asked by victoria 
Math
Please help with this!!! 3/89/4[(5/4)+(1/10)] I cannot figure this out.
asked by Cherie 
cal
Use the Product Rule to differentiate f(u)= √u (5u^6)
asked by cal 
math
is it independent or dependent: The contract states that every day past the agreed upon completion date the project is not finished, the price is reduced by $25. Also state the rate of change?
asked by Teddy 
Astronomy
Calculate the amount of energy released if a total of 1.5 kg of hydrogen is fused into helium.
asked by Steven 
MATH HELP
Derrick is investing $1,000 at 5% interest and Anna is investing $750 at 7% interest. Both interest rates are compounded annually. When will they have the same amount saved? (Hint: 1.05t/1.07t =(1.05/1.07)t )
asked by Sammy 
Health
1). Describe why good communication is important. A: Good communication is important because it is a process through which two or more people exchange information, and, if the message is not properly sent, misunderstandings can arise. Good communication,
asked by Anonymous 
Math help
Solve this equation and check answer Fraction→n/56=8
asked by Nina 
PHYSICS
A superball of mass m, starting at rest, is dropped from a height hi above the ground and bounces back up to a height of hf. The collision with the ground occurs over a total time tc. You may ignore air resistance. (a) What is the magnitude of the momentum
asked by Anonymous 
science
fill in the blank. Contact lenses improve lives. Contact lenses are an example of a(n)__________ .
asked by victoria 
Finance
__________ Management involves decisions regarding how much money to retain in a liquid form and how to allocate funds among shortterm investment instruments. a. investment b. money c. credit d. liquidity
asked by Sheliah 
(Dead Poets Society)
Did Neil Perry make any accomplishments in the movie? Also what did Todd Anderson sacrifice to reach his goal of pleasing his teachers? Please help!
asked by jennifer 
physics(easy)
A superball of mass m, starting at rest, is dropped from a height hi above the ground and bounces back up to a height of hf. The collision with the ground occurs over a total time tc. You may ignore air resistance. (a) What is the magnitude of the momentum
asked by Anonymous 
Algebra
1800 (x+20) 1800x + 20(1800) or 1800x + 36,000 are the expressions all equivalent? How can you determine if they are equivalent?
asked by BILL 
management
an auto manufactore negotiates a deal to have its cars appear in a hollywood film. this is and example of a. publicity b. prodcution placement c. media placement d. image exposure
asked by jesus 
math
what is the answer to this problem _3 125x6y3
asked by mae 
Physics
Problem 1 A dog running in an open field has components of velocity vx = 2.2m/s and vy = 2.5m/s at time t1 = 12 s. For the time interval from t1 = 12 s to t2 = 24 s , the average acceleration of the dog has magnitude 0.55 m/s2 and direction 25.5∘
asked by Maryam 
english
aesops's fables tell stories about people and animals
asked by daquarius 
cal
Find the derivative of the function. f(x)= x^8√53x
asked by cal 
algebra
Rita's tuition bill for last semester was $4360 If she paid $6052 in tuition this semester what was the percentage increase on her tuition Please help me as I am not sure of my answer which is 0.38%
asked by cassandra 
Physics
A research balloon of total mass 225 kg is descending vertically with a downward acceleration of 1.4 m/s2. How much ballast must be thrown from the car to give the balloon an upward acceleration equal to 3.6 m/s2, presuming that the upward lift of the
asked by Liz 
Personal finance
Josh has decided to take a course at the local community college that could help him get a promotion at work. The course begins at 5pm and goes until 9pm on monday nights. Josh normally works until 5pm each day, but because of the drive time he will leave
asked by Michelle 
physics
If the physical halflife of sulfur35 is 87.1 days, and the biologic halflife in the testicle is 632 days, what is its effective halflife in this organ? I know i have to find the time and then the halflife. But im having trouble finding the time
asked by Sarah 
math
Ventura Coal mined 6 ¨ø tons on Monday, 7 ¨ú tons on Tuesday, and 4 ¨ö tons on Wednesday. If the goal is to mine 25 tons this week, how many more tons must be mined?
asked by love 
math
Sarah collects money for charity while treatortreating. This year she collected $15.80. Last year she collected $14.25. Find the percent increase for Sarah's collection from last year to this year to the nearest percent. $15.80$14.25=$1.55 difference
asked by Elle 
Maths
A15 foot ladder is leaning against a 30 foot wall. The bottom end of the ladder is 9 feet from the wall. How many feet above the ground does the ladder touch the wall. Can someone please help me with this question
asked by Alana 
physics
How much power must you exert to horizontally drag a 21.0kg table 15.0m across a brick floor in 20.0s at constant velocity, assuming the coefficient of kinetic friction between the table and floor is 0.500?
asked by HELP 
Chemistry
what's the density of a cube of an unknown substance if mass is 45.2g and the side of a cube is 3.2cm?
asked by Nick 
College Anatomy
Within the nervous system, the (a) are to the ganglia as a tract is to a (b).
asked by Elaine 
physics
How much power must you exert to horizontally drag a 21.0kg table 15.0m across a brick floor in 20.0s at constant velocity, assuming the coefficient of kinetic friction between the table and floor is 0.500?
asked by becca 
government
New Hampshire was the first State to _____.
asked by chris 
calc
Find the slope of the tangent line at (8,8) for the function (16x)y^2=x^3 Round your answer to two decimal places.
asked by math 
Calculus
f(x)=x^3(4/x) find [f^(1)(x)]' at x=6
asked by DW 
college algebra
graph the following: (5/4)x4 (4x+16)/(5)
asked by Dee 
Math
How do you find the intersection of the lines 5x + 2y = 60 and 3x + 2y = 45?
asked by Jess 
cal
Find dy/dx by implicit differentiation given that tan(4x+y)=4x
asked by cal 
Algebra
At a cafeteria, the automatic ice machine can completely fill itself in 20 minutes. During lunch time, customers can completely empty the ice machine in 30 minutes. At the start of lunch time, the ice machine is completely and it starts making ice at the
asked by Stacey 
math
Stacey is x years old. Ali is four years less than three times Stacey's age. Carli is 10 years more than twice Ali's age. What is the age difference between Stacey and Carli? a. 2x+6 b. 3x4 c. 3x+6 d. 5x+2 e. 6x+2 please answer and explain
asked by Tomas 
Algebra
Markus jogs 4 mi around the track at an average rate of r mi/h. Then he cools down by walking 1 mi at a rate 3 mi/h slower. His whole workout last 1 h. At what rates did Markus jog and walk?
asked by Stacey 
college algebra
graph the following: 7x + 6y = 42 (6x+42)\(7)
asked by Dee 
physics (elena)
JUMPING OFF THE GROUND (10 points possible) A person of mass m jumps off the ground. Suppose the person pushes off the ground with a constant force of magnitude F for T seconds. What was the magnitude of the displacement of the center of mass of the person
asked by Anonymous 
English
Can you please tell me if I use this word correctly? Gallantry: The hero was ready for the gallantry that came with saving the woman.
asked by Serena 
History
In what ways can you use this document to help answer the question: Early Jamestown: why did so many settler die?
asked by Isabella 
macoreconomics
Suppose there is a temporary but significant increase in oil prices in an economy with an upwardsloping ShortRun Aggregate Supply (SRAS) curve. If policymakers wish to prevent the equilibrium price level from changing in response to the oil price
asked by jen 
Economics
Fixed cost do not change the shape of the total lost curve. (Yes or no) explain why.  I would say the answer is yes but i'm not entierly sure as so why it would change the shape. If answered could you give and example to help me understand why?
asked by TonyaV 
DISCRETE MATHS
We need to show that 4 divides 1n2 whenever n is an odd positive integer. If n is an odd positive integer then by definition n = 2k+1 for some non negative integer, k. Now 1  n2 = 1  (2k+1)2 = 4k24k = 4 (k24k). k is a nonnegative integer, hence
asked by Don(please check my math) 
physics
The total volume of a new house is 800 m3. Before the heat is turned on, the air temperature inside is 10°C, and the relative humidity is 50%. After the air is warmed to 20°C, how much water vapor must be added to the air to make the relative humidity
asked by vanessa 
Math
Frederick buy five candy bars for $10.25. Find both unit rates for this situation.
asked by Ninja 
college macroeconomics
Suppose there is a temporary but significant increase in oil prices in an economy with an upwardsloping ShortRun Aggregate Supply (SRAS) curve. If policymakers wish to prevent the equilibrium price level from changing in response to the oil price
asked by jen 
math
ross buys 3 packages of 12 veggie burgers each. he also buys enough packages of 8 rolls so that there is a roll for every veggie burger. how many packages of rolls does he buy. How would i use a bar diagram?
asked by peter 
cal
Find the second derivative of the function. f(x)= (3x^3+7)^7
asked by cal 
algebra
A restaurant meal for a group of people cost $85 total. This amount included a 6% tax and an 18% tip, both based on the price of the food. Which equation could be used to find f, the cost of the food
asked by hannah 
algerbra 2
Lisa buys a carpet for $230. The price is $3.50 per square foot. If Lisa had a special discount of $50 off, which linear equation could be used to find the area, A, of the carpet?
asked by hannah 
algebra 2
Three friends share the cost of a pizza. The base price of the pizza is p and the extra toppings cost $4.50. If each person’s share was $7.15, which equation could be used to find p, the base price of the pizza?
asked by hannah 
algebra
Sophie bought a total of 27 guppies and angel fish. She bought twice as many guppies as angel fish. How many of each kind of fish did Sophie purchase?
asked by Kayla 
algebra 2
Onefourth of the distance between two cities is 100 miles less than twothirds the distance between the cities. Which equation expresses this situation?
asked by hannah 
algebra 2
. A tile setter is joining the angles of two tiles, A and B, to make a 90degree angle. The degree measure of Angle A can be represented as 3y + 2 and of Angle B as 5y. Which equation represents this situation? these are the one I neeeed help with
asked by hannah 
History/Economics
Plato, a Greek philosopher who lived from 427 BC to 347BC, famously wrote that, "Necessity is the mother of invention." Do you agree with this statement? Why or why not?
asked by Nicole 
math
When y is divided by 6, the remainder is 4. What will be the remainder if y6 is divided by 3 ? a. 0 b. 1 c. 2 d. 3 e. 4 my answer is b. 1 , but teacher give me the answer is d. 3 , I don't understand, anyone can explain
asked by Tomas 
english question
What does dead flowers taste like?
asked by anomymous 
Social studies
What are the east states and there capitols
asked by Stacy 
language
Select the word or words that the italicized phrase modifies or describes. 1. A growing of tourists are pursuing the idea of ecotourism, TRAVELING DESIGNED TO SUPPORT AND RESPECT THE ENVIRONMENT. a) number b) tourists c) idea d) ecotourism
asked by victoria 
language
Select the word or words that the italicized phrase modifies or describes. 1. Ecotourism encourages visitors to get involved with local projects, such as CLEARING TRAILS, BUILDING SCHOOLS , AND PROTECTING WILDLIFE a) ecotourism b) victors c) local d)
asked by victoria 
ENGLISH
Book april morning Describe both sides of the Boiled pudding controversy in town. What does this reveal about the town?
asked by carl 
chem
A 1L flask is filled with 1.25 g of argon at 25 degrees celcium. A sample of ethane vapor is added to the same flask until the total pressure is 1.45 atm. What is the partial pressure of argon in the flask? Chemistry  DrBob222, Tuesday, October 5, 2010 at
asked by kris 
statistics
A survey among US adults of their favorite toppings on a cheese pizza reported that 43% favored pepperoni, 14% favored mushrooms, and 6% favored both pepperoni and mushrooms. What is the probability that a random adult favored pepperoni or mushrooms on
asked by Anonymous 
algebra a
f(c5)
asked by Anonymous 
Geometry: Ms. Sue or Steve or someone help please?
Given a triangle ABC with A(6b,6c) B(0,0) and C (6a,0), prove that the medians of the triangle are concurrent at a point that is two thirds of the way from any vertex to the midpoint of the opposite side. I'm not sure how to prove this. I tried and when I
asked by Cecilia 
Algebra
A motorist was to travel from town A to town B, a distance of 80 miles. He traveled the first 24 minutes at a certain rate; traffic then increased and for the next 6 minutes he averaged 10 miles per hour less than his original speed; then traffic eased up
asked by Jane 
Math
Order from least to greatest. 2/3 65% 0.06 I put 0.06 then 65% and 2/3 is that correct?
asked by Mathematician 
Math
Write an expression for the word phrase. r divided by 2
asked by kim 
English
"The Passionate Shepherd to His Love who is the audience of the poem?
asked by Christopher 
math
round to the nearest ten and hundred. 997
asked by Raquel 
PHYSICS
A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in the +x direction when its velocity is in the +z direction. Determine the magnitude and direction of the field. T in the
asked by smita 
chemistry
Determination of Kf of Cu(NH3)4 (aq) with given 10mL of 6M NH3 mix with 40mL of 1M Cu. This is what I have so far: nCu= .040L x 1= .040mol nNH3= .010L x 6= .060mol Cu^2+ + 4NH3 > Cu(NH3)4 .040 .06 0 .040 4(.040) +.040 0 .1 .040 [Cu(NH3)]=
asked by slamj 
English LiteratureCritical Thinking
Animals should serve as models for us. They are gentle, cooperative, and familyoriented creatures who fight mainly over territory and mates and rarely kill one another. Humans being engage in group warfare and slaughter one another by millions. In fact,
asked by Sarah 
Finance
(15 points) You have been living in the house you bought 10 years ago for $300,000. At that time, you took out a loan for 80% of the house at a fixed rate 15year loan at an annual stated rate of 9%. You have just paid off the 120th monthly payment.
asked by Anonymous 
Chemistry
What mass of Carbon dioxide is produced from the complete combustion of 4.60x10^3g of methane?
asked by Savannah 
language
What would a promoter do for a boxing match ? a) provide money b) referee the fight c) train the boxers
asked by victoria 
Chemistry
Which of the following compounds is neutral in aqueous solution? A. CaCl2 B. AlCl3 C. NH4Cl D. CaO E. Na2CO3 F. CO2
asked by Joy 
Chemistry
A 23.16 ml volume of an H2A acid solution of unknown concentration with 2 drops of phenolphthalein required 14.24 ml of 0.135 M NaOH to reach the endpoint. What is the molar concentration of the acid solution?
asked by Joy 
language
A person who is grimacing probably feels a) pleased b) pained c) nervous
asked by victoria 
Poetry
what is the rhyme scheme for the poem: Come, the wind may never again Blow as now it blows for us; And the stars may never again shine as now they shine; Long before October returns, Seas of blood will have parted us; And you must crush the love in your
asked by Mercy 
is this good U.S. History essay
John D. Rockefeller, Cornelius Vanderbilt, Andrew Carnegie were all big business leaders in the 1800s. Some Americans viewed these business leaders as “robber barons” but others saw them as “Captains of industry”. People classified Rockefeller as
asked by Reina B. 
6th Grade Math
How would you write an expression that is equivalent to 4x4x5x4x5.
asked by Brianna 
Math
The two shortest sides of a right triangle are 10 inches and 24 inches long. What is the length of the shortest side of a similar right triangle whose two longest sides are 36 inches and 39 inches? I don't know how to do this one. I'm lost
asked by Jerald 
Physics
A stick of dynamite (190 g) contains roughly 10 J of chemical energy that is transformed into mechanical energy and heat during an explosion. A 1000 kg rock in outer space is at rest with respect to a spaceship. An astronaut blows up the rock with one
asked by askas 
Science: Fluids in motion
I'm just currently reading my science book and I just thought of a few questions.. Why are water molecules have a high attraction of glass? And why are their adhesion higher than their cohesion?
asked by Losa 
Math
Complete the Chart .. Whats the rate for Spaghetti ingredients Ounces of Spaghetti and Ounces of Tomato 12 __16 6  8 3  X 2  X 1  X find the x's
asked by Veah 
Biology
What happens when a substance dissolves in the watery solution outside of a cell and equilibrium is disrupted. a. Water from the cell will move into the solution b. water from the solution will move into the cell c. the pores in the cell membrane will
asked by David 
earth science
A heterogeneous mixture is a
asked by rey 
chemistry
Two 50mL beaker. One contains 50mL of 1.0M PbSO4 and the other contains 10mL of 0.1M Pb(NO3)2 added with 40mL of .10M KI. What is the Ksp of PbI2?
asked by slamj 
chemistry
Two 50mL beaker. One contains 50mL of 1.0M PbSO4 and the other contains 10mL of 0.1M Pb(NO3)2 added with 40mL of .10M KI. What is the Ksp of PbI2?
asked by denny 
History
Was craft guild back in the days same as inspector of today or apprenticeship??What I want to know is a Craft guilds are basically early versions of what that helps unify workers today?
asked by JJ 
Early childcare
Parents start to socialize their children in earnest during
asked by Anonymous 
English
In Johnny Tremain tensions were growing between the colonist and the British as the colonists struggled to gain Independence from the British Government. Does this show! external conflict climax or point of view
asked by Steve