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Questions Asked on January 25, 2012

Calculate the enthalpy of combustion of C3H6:C3H6 (g) + 9/2 O2 (g) yield 3CO2 + 3H2O using the following data: 3C (s) + 3H2 (g)
1. 1 answer
2. asked by Mandy
3. 9,705 views
Which of the following statements about schizophrenia is true?a. Schizophrenia can be cured. b. Schizophrenia is a biological
1. 6 answers
2. asked by leslie
3. 8,400 views
A copper (Cu) weight is placed on top of a 0.24 kg block of wood (density = 0.60*10^3 kg/m3) floating in water. What is the mass
1. 3 answers
2. asked by HELP ME
3. 4,977 views
what is the analogy for monkey if cardinal is to bird as monkey is to?
1. 16 answers
2. asked by molly
3. 4,962 views
Orlando has a bank statement balance of $414.25 and $5.90 service charge. His check register shows $374.16 and he has two
1. 9 answers
2. asked by help
3. 4,764 views
I need to come up with a good thesis statement for Amy Tan "Mother Tongue" and Gloria Anzaldua "how to tame a wild tongue". I
1. 2 answers
2. asked by Ashley
3. 4,597 views
A man of mass 75 kg and a women of mass 55 kg stand facing each other on an ice rink , both wearing ice skates . The women
1. 3 answers
2. asked by Anonymous
3. 4,580 views
By using the Clausius-Clapeyron equation,lnP=Hvap/RT +C , derive the relationship between the vapor pressures,P1 and P2, and the
1. 2 answers
2. asked by Jeremy
3. 4,244 views
The price of a hamburger increased from $1.10 to $1.59. What percent did the price increase?
1. 2 answers
2. asked by Renee
3. 4,027 views
1. Which of the following statements regarding stress and hair loss is NOT true?a. The best treatments for stress induced hair
1. 1 answer
2. asked by leslie
3. 3,829 views
Consider an atom of Xenon. How many electrons in this atom...a) have the quantum number of l=2 b) have the quantum number of
1. 4 answers
2. asked by Lindsey
3. 3,085 views
After eight matches a basketball player had scored a mean of 27 points,after another 3 matches his mean was 29,after more 5
1. 1 answer
2. asked by Monday .U.
3. 2,999 views
It takes you 9.5 minutes to walk with an average velocity of 1.2 m/s to the north form the bus stop to the museum entrance. What
1. 3 answers
2. asked by alessa castillo
3. 2,933 views
the short side of an isosceles triangle is 16cm long increasing each side length by 24cm doubles the perimeter. how long are the
1. 8 answers
2. asked by Alexa
3. 2,925 views
A carload of fraternity brothers leaves their house for a long weekend road trip. Two hours later a second carload of brothers
1. 1 answer
2. asked by Rose
3. 2,878 views
An electric range burner weighing 614 grams is turned off after reaching a temperature of 499.0oC, and is allowed to cool down
1. 1 answer
2. asked by jayla
3. 2,770 views
An 845 N sled is pulled a distance of 180 m. The task requires 1.38 x 104 J of work and is done by pulling on a rope with a
1. 1 answer
2. asked by Dee
3. 2,634 views
Use the shell method to find the volume of the solid generated by revolving the plane region about the line x = 9.y = 7x − x2
1. 1 answer
2. asked by DER23849
3. 2,596 views
A 62kg person lies flat on uniform plank of mass 15kg.The plank, with the person lying on it,is placed on a brick at the head
1. 2 answers
2. asked by egghead
3. 2,593 views
A survey was conducted to study the relationship between the annual income of a family and the amount of money the family spends
1. 2 answers
2. asked by Divine
3. 2,011 views
Gasoline is a mixture of hydrocarbons, a major component of which is octane,CH3CH2CH2CH2CH2CH2CH2CH3. Octane has a vapor
1. 1 answer
2. asked by Jeremy
3. 1,974 views
explain the debate involved in gibbons v. ogden and the final decision.
1. 5 answers
2. asked by Jackson
3. 1,875 views
Mariko walks into her dark room to pull socks out of the dresser. If she has 5 pairs of white socks, 3 pairs of blue socks, and
1. 4 answers
2. asked by Brianne
3. 1,797 views
It takes 208.4 kJ of energy to remove one mol of electrons from the atoms on the surface of rubidium metal. If rubidium metal
1. 1 answer
2. asked by Kaleen
3. 1,794 views
How long would it take for a ball dropped from the top of a 400 foot building to hit the ground? Round your answer to two
1. 2 answers
2. asked by Heather
3. 1,715 views
How many grams of carbon dioxide can form when a mixture of 3.60 g ethylene (C2H4) and 2.70 g of oxygen is ignited, assuming
1. 1 answer
2. asked by me
3. 1,699 views
Find the arc length of the graph of the function over the indicated interval. (Round your answer to three decimal places.)y = ln
1. 1 answer
2. asked by sammyg
3. 1,685 views
What is the Proclamation of 1763????My Answer: The Royal Proclamation of 1763 was issued October 7, 1763, by King George III
1. 10 answers
2. asked by Laruen
3. 1,510 views
A recent study shows that the number of Australian homes with a computer doubles every 8 months. Assuming that the number is
1. 1 answer
2. asked by Shirley
3. 1,432 views
A chemistry student weighs out 0.172 grams of acrylic acid (HCH2CHCO2) into a volumetric flask and dilutes to the mark with
1. 1 answer
2. asked by Lucas
3. 1,353 views
What products are formed when aqueous solutions of Na2SO4, Fe3SO42, and BaCl2 are mixed together ? Can someone help me write out
1. 3 answers
2. asked by zach
3. 1,344 views
Which of the following is true of psychosocially healthy people?a. They are uncomfortable when put in new social situations. b.
1. 4 answers
2. asked by leslie
3. 1,326 views
m angle 2=6x-2
1. 1 answer
2. asked by Donna
3. 1,298 views
What is the first step. Explain please.Which expression is equivalent to cos^2x + cot^2x + sin2^x? a) 2csc^2x b) tan^2x c)
1. 4 answers
2. asked by Jake
3. 1,292 views
Identify: (includes definition and purpose, where applicable)Battle of Lexington and Concord: First shots fired between American
1. 13 answers
2. asked by Laruen
3. 1,288 views
DRAW LEWIS, KEKULE AND SKELETAL STRUCTURE OF:(CH3)2NCH2CH3
1. 1 answer
2. asked by JEFF
3. 1,274 views
Elemental antiomony made by these reactions down below:Sb2S3 + 5 O2 - > Sb2O4 + 3 SO2 Sb2O4 + 4 C - > 2 Sb + 4 CO how many grams
1. 3 answers
2. asked by Shreya
3. 1,273 views
An airplane has a mass of 34,500 kg and takes off under the influence of a constant net force of 45,000 N. What is the net force
1. 2 answers
2. asked by Anonymous
3. 1,267 views
how did huge industrial trusts develop in industries such as steel oil and banking, what was the effect on the economy?
1. 10 answers
2. asked by Steven
3. 1,262 views
Improper fraction as a mixed number in simplest form? 29/18
1. 8 answers
2. asked by Shamekka teart
3. 1,244 views
Cooking bacon till it is "crisp," would be a chemical change correct? Since you are pretty much burning it?
1. 1 answer
2. asked by desiree
3. 1,233 views
The temperature was 72 degrees F. At midnight a cold front moved in dropping the temperature 12 degrees F. Write a number
1. 6 answers
2. asked by Cheyenne
3. 1,211 views
what is the word form for 0.34
1. 3 answers
2. asked by dom
3. 1,185 views
find the derivative of y=[(4^(7x))(7^(4x))]/[10^(e)]without using logarithmic differentiation!
1. 1 answer
2. asked by Anonymous
3. 1,184 views
Calculate the pH of a solution obtained by mixing 30 mL of 0.75 M CH3COOH with 15 mL of 1.5 M NaOH.
1. 2 answers
2. asked by grewal
3. 1,179 views
What is the lat term, in a series of 10 terms with a common ratio of 2, a first term (a1) if 1 and a summation of 1023
1. 1 answer
2. asked by Embraced
3. 1,169 views
write a subtraction problem that has a difference of 1/6.
1. 5 answers
2. asked by Isabella
3. 1,150 views
Could someone explain the steps for this question.Simplify the expression tan(5pi/8)-tan(3pi/8)/1+tan(5pi/8)tan(3pi/8)
1. 2 answers
2. asked by Jake
3. 1,148 views
If you react 2.0 g AgNO3 and 2.5 g Na2SO4, what is the percent yield if the actual yield is 1.6 g Ag2SO4? 2AgNO3 + Na2SO4 →
1. 2 answers
2. asked by Ana
3. 1,124 views
find each product by factoring the tens draw rectangles if you need to
1. 1 answer
2. asked by triston
3. 1,121 views
In what year did the War of 1812 start?1812, right? Cause when I search it a lot of different dates show up
1. 2 answers
2. asked by Adam
3. 1,115 views
Frank opened a savings account with $700 at 4.5 percent interest, compounded quarterly, and kept it in the account for two
1. 1 answer
2. asked by km
3. 1,113 views
Bobby has 3 times as many model spaceships as his friendSylvester does. Bobby has 21 spaceships. How many model spaceships does
1. 3 answers
2. asked by osmin
3. 1,107 views
At the instant a traffic light turns green, a car starts from rest with a given constant acceleration 0.5 m/s^2. just as the
1. 1 answer
2. asked by qwertzuiop
3. 1,106 views
a sign is in the shape of rhombus with a 60 degree angle and sides of 9cm long. Find its are to nearest tenth?
1. 1 answer
2. asked by Tanya
3. 1,093 views
When a tree 6.2 meters long casts a shadow 6.5 meters long, how long is a shadow cast by someone 2.2 meters tall?
1. 1 answer
2. asked by Michea
3. 1,082 views
A crate of mass 20kg is pulled by a force of 100N at an angle 30 above the horizon an friction force of 20N develops between the
1. 1 answer
2. asked by Clothilda
3. 1,075 views
You fill your tires with air on a cold morning (-5degreesC) to 220-kPa gauge pressure, then drive into a 32degreesC desert. (a)
1. 0 answers
2. asked by Haylee
3. 1,069 views
A 62kg person lies flat on uniform plank of mass 15kg.The plank, with the person lying on it,is placed on a brick at the head
1. 1 answer
2. asked by bosco
3. 1,061 views
what is the difference between distortion and displacement?
1. 3 answers
2. asked by Tara
3. 1,059 views
In a group of 100 students, 60 are taking math and 12 are taking English, but no one is taking both. What is the probability
1. 2 answers
2. asked by Anonymous
3. 1,051 views
Calculate the value of ΔHo for the reaction2 CH4 (g) -> C2H6 (g) + H2 (g) given the following thermochemical equations: C2H2
1. 1 answer
2. asked by rhea
3. 1,050 views
Ed saved $50 one week. For the next six weeks, he saved $25 more than the week before. how much did he save in all? one student
1. 4 answers
2. asked by Lorena P.
3. 1,034 views
Theta taa factroy produces equal number of 1/4kg packets and 1/2kg packets of tea. How many 1/4kg packets were produced from a
1. 1 answer
2. asked by Anonymous
3. 1,030 views
Which of the following is the solution to the matrix equation below?[0 9 2] [18] [3 2 1] x=[5] [1 -1 0] [-1] a) [-3 -2 18] b)
1. 0 answers
2. asked by danny
3. 1,017 views
What document settled the argument ofhow each state would be represented in our central government?
1. 2 answers
2. asked by stephanie
3. 1,004 views
Fran bought 6 yards of blue tapestry material. She used it to upholster 3 chairs. How much of the material would che need to
1. 2 answers
2. asked by gary
3. 996 views
Please explain how to solve:A circular table is painted yellow with a red square in the middle. The radius of the tabletop is
1. 2 answers
2. asked by Jane
3. 991 views
What do marketers mean when they refer to soci-cultural environments and why do they need to understand these environments in a
1. 1 answer
2. asked by Regina
3. 990 views
Use the shell method to set up and evaluate the integral that gives the volume of the solid generated by revolving the plane
1. 1 answer
2. asked by MAM
3. 987 views
In a cathode ray tube, electrons initially at rest are accelerated by a uniform electric field of magnitude 4.71 x 105 N/C
1. 2 answers
2. asked by Ashley
3. 985 views
Kelly opened a savings account with $500 she received at 8th grade graduation four years ago. The account pays 2.5 percent
1. 1 answer
2. asked by help
3. 983 views
A force of 34.5 newtons is applied to an object at an angle of 45 º with the horizontal. What is the force acting on the object
1. 1 answer
2. asked by Anonymous
3. 981 views
I need to write a paper on the history of civil rights in America starting in 1950. Any ideas on where to start in terms of
1. 8 answers
2. asked by laura
3. 978 views
1. Which sentence states an opinion held by American Romantic writers?a. Cities are centers of corruption and ugliness b.
1. 0 answers
2. asked by mysterychicken
3. 975 views
not understanding this assignment, it ask, terrence skated 8 feet in 4 seconds at a constant rate, how fast did he skate in feet
1. 1 answer
2. asked by cain
3. 969 views
Identify Sugar Act.My Answer: 1764 Act that put a three-cent tax on foreign refined sugar and increased taxes on coffee, indigo,
1. 3 answers
2. asked by Laruen
3. 964 views
A sample of steam with a mass of 0.550 g and at a temperature of 100 degrees C condenses into an insulated container holding
1. 2 answers
2. asked by Becca
3. 964 views
Air is 20.9% oxygen by volume.How many mL of air contains 175 mL of oxygen?
1. 1 answer
2. asked by mary
3. 944 views
calculating future value of retirement account in which you deposit $2,000 a year for 30 years with an annual interest rate of 7
1. 1 answer
2. asked by marie
3. 935 views
city A is 300 miles directly north of city B assuming the earth to be sphere of radius 4000 miles determine the difference in
1. 1 answer
2. asked by Sachiyo
3. 924 views
How many grams of propane must be burned to provide the heat needed to melt a 70.0-g piece of ice...?How many grams of propane
1. 1 answer
2. asked by help
3. 923 views
how many atoms would there be in 6H2O?
1. 2 answers
2. asked by Emely
3. 923 views
At the instant a traffic light turns green, a car starts from rest with a given constant acceleration 0.5 m/s^2. just as the
1. 1 answer
2. asked by qwertzuiop
3. 920 views
Theta taa factroy produces equal number of 1/4kg packets and 1/2kg packets of tea. How many 1/4kg packets were produced from a
1. 1 answer
2. asked by Anonymous
3. 919 views
Some bank robbers leave town, speeding at 71 mph. Twelve minutes later, the police give chase, traveling at 80 mph. How long
1. 2 answers
2. asked by Anonymous
3. 912 views
What are 3 ways did rosa parks showed perserverance????
1. 9 answers
2. asked by Laruen
3. 901 views
what would be the future value of 280,000 based on an annual interest rate at 6 percent?
1. 0 answers
2. asked by marie
3. 889 views
1. You are the head researcher on a study that is tracking vocational preferences from high school through middle adulthood.
1. 4 answers
2. asked by Lindsey
3. 887 views
the brake linings of the wheels of a car have total mass 4.8kg and specific heat capacity 1200 J kg -1 K-1. calculate the
1. 0 answers
2. asked by jeremy
3. 854 views
Well, first graph the graph of f(x)=-1/10x^2 + 32. We are going to approximate the area between f and the x-axis from x = 0 to x
1. 1 answer
2. asked by Yoona
3. 849 views
Which value for x is a solution to cosx = sqrt of 2/2?a) -9pi/4 b) 3pi/4 c) -3pi/4 d) 4pi/3 What is the first step I should do?
1. 1 answer
2. asked by Jake
3. 845 views
if 1inch=75 miles then how many miles dose 2.7 inches=
1. 3 answers
2. asked by raven
3. 823 views
the sides of a polygon have lengths of 2cm,5cm,6cm,4cm,9cm and the perimeter of a smaller polygon is 78cm Find the length of the
1. 1 answer
2. asked by the game
3. 813 views
A group of students decided to collect as many paise from each member of group as is the number of members. If the total
1. 2 answers
2. asked by Andrew
3. 794 views
At a picnic, there is a contest in which hoses are used to shoot water at a beach ball from three different directions. As a
1. 0 answers
2. asked by Amy
3. 790 views
A car traveling at 14 m/s accelerates at 2.11 m/s2 for 14 seconds. To the nearest meter how far does it travel? To the nearest
1. 0 answers
2. asked by Julie
3. 788 views
Please explain to me how to solve:A circular mirror is surrounded by a square metal frame. The radius of the mirror is 5x. The
1. 1 answer
2. asked by Jane
3. 786 views
SaratogaDefinition: Turning point of the Revolutionary War in that it convinced France to enter the war on the side of the
1. 8 answers
2. asked by Laruen
3. 783 views
I have a question-I have to write the verb correctly for these two sentences Did I do them correctly?1. nosotros/lavarnos
1. 5 answers
2. asked by Sammy
3. 781 views

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