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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. 9,711 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. 8,409 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. 4,981 views
what is the analogy for monkey if cardinal is to bird as monkey is to?
1. 16 answers
2. asked by molly
3. 4,978 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. 4,773 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. 4,603 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. 4,585 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. 4,255 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. 4,031 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. 3,836 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. 3,094 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. 3,002 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. 2,939 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. 2,935 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. 2,884 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. 2,783 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. 2,639 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. 2,603 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. 2,600 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. 2,016 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. 1,982 views
explain the debate involved in gibbons v. ogden and the final decision.
1. 5 answers
2. asked by Jackson
3. 1,881 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. 1,803 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. 1,800 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. 1,718 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. 1,703 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. 1,693 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. 1,518 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. 1,439 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. 1,359 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. 1,351 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. 1,331 views
m angle 2=6x-2
1. 1 answer
2. asked by Donna
3. 1,301 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. 1,297 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. 1,296 views
DRAW LEWIS, KEKULE AND SKELETAL STRUCTURE OF:(CH3)2NCH2CH3
1. 1 answer
2. asked by JEFF
3. 1,279 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. 1,279 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. 1,271 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. 1,269 views
Improper fraction as a mixed number in simplest form? 29/18
1. 8 answers
2. asked by Shamekka teart
3. 1,247 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. 1,242 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. 1,238 views
find the derivative of y=[(4^(7x))(7^(4x))]/[10^(e)]without using logarithmic differentiation!
1. 1 answer
2. asked by Anonymous
3. 1,192 views
what is the word form for 0.34
1. 3 answers
2. asked by dom
3. 1,189 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. 1,186 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. 1,174 views
write a subtraction problem that has a difference of 1/6.
1. 5 answers
2. asked by Isabella
3. 1,156 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. 1,154 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. 1,127 views
find each product by factoring the tens draw rectangles if you need to
1. 1 answer
2. asked by triston
3. 1,125 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. 1,123 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. 1,118 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. 1,113 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. 1,111 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. 1,107 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. 1,085 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. 1,080 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. 1,073 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. 1,068 views
what is the difference between distortion and displacement?
1. 3 answers
2. asked by Tara
3. 1,064 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. 1,057 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. 1,056 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. 1,039 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. 1,033 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. 1,020 views
What document settled the argument ofhow each state would be represented in our central government?
1. 2 answers
2. asked by stephanie
3. 1,011 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. 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. 1,001 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. 996 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. 993 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. 992 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. 992 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. 986 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. 983 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. 981 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. 978 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. 971 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. 967 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. 951 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. 943 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. 933 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. 932 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. 927 views
how many atoms would there be in 6H2O?
1. 2 answers
2. asked by Emely
3. 927 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. 926 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. 917 views
What are 3 ways did rosa parks showed perserverance????
1. 9 answers
2. asked by Laruen
3. 903 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. 895 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. 895 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. 865 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. 855 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. 850 views
if 1inch=75 miles then how many miles dose 2.7 inches=
1. 3 answers
2. asked by raven
3. 825 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. 820 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. 803 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. 795 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. 793 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. 791 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. 791 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. 789 views

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