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Questions Asked on September 16, 2012

In part B of my question, I was asked calculate the number of atoms in 0.615 mol of 13C (mass number of this Carbon is 13).I
1. 6 answers
2. asked by Kevin
3. 7,234 views
Octane has a density of 0.692 at 20degree C . How many grams of O2 are required to burn 17.0gal of C8H18 ?Step-by-step
1. 2 answers
2. asked by M
3. 5,373 views
I've tried to solve this question multiple ways I just can't seem to get it. I just don't understand what I should be doing.An
1. 2 answers
2. asked by John
3. 5,271 views
what is a joint venture?what are the sources of finance for joint ventures? describe the appropriateness of the legal structure
1. 3 answers
2. asked by kerry j
3. 4,078 views
A team of students hypothesizes that the amount of alcohol produced in fermentation depends on the amount of sugar supplied to
1. 3 answers
2. asked by Shanna
3. 3,841 views
The fizz produced when an Alka-Seltzer® tablet is dissolved in water is due to the reaction between sodium bicarbonate (NaHCO3)
1. 3 answers
2. asked by M
3. 3,418 views
how many prime positive integers are divisors of 555?
1. 4 answers
2. asked by shaun
3. 3,098 views
A piano manufacturer has a daily fixed cost of $1200 and a marginal cost of $1500 per piano. Find the cost C(x) of manufacturing
1. 2 answers
2. asked by jack
3. 3,061 views
Find every angle θ between 0 and 360° for which the ratio of sin θ to cos θ is -3.00. (Round your answer to the nearest
1. 2 answers
2. asked by sedef
3. 3,057 views
three consecutive primes are summed. when the sum is squared, the result is 72,361. what is the largest of the three primes?
1. 1 answer
2. asked by shaun
3. 2,898 views
If a hemispherical bowl of radius 6cm contains water to a depth of h cm, the volume of the water is 1/3πh^2(18-h). Water is
1. 1 answer
2. asked by Marney
3. 2,850 views
An airplane flies due north at 235 km/h relative to the air. There is a wind blowing at 65 km/h to the northeast relative to the
1. 1 answer
2. asked by mary
3. 2,773 views
A car coasts (engine off) up a 30 degree grade. If the speed of the car is 25m/s at the bottom of the grade, what is the
1. 2 answers
2. asked by Lorraine
3. 2,710 views
meteoroid is speeding through the atmosphere, traveling east at 17.0 km/s while descending at a rate of 11.7 km/s. What is its
1. 1 answer
2. asked by Ang
3. 2,485 views
CoCl2(aq) + NH3(aq) = ?Cu(NO3)2(aq) +NH3(aq) = ? CuSO4(aq) +NH3(aq) = ? Could some one please tell me what the answers are?? I
1. 1 answer
2. asked by Georg
3. 2,188 views
A football team gained 4 yd, lost 2 yd, gained 11yd, lost 8 yd, and then lost 9 yd. Find the net gain or loss.
1. 6 answers
2. asked by emily
3. 1,885 views
A ball is thrown straight upward with a speed of +12 m/s.A) what's the ball's acceleration just after it is thrown? B) how much
1. 1 answer
2. asked by Anna
3. 1,864 views
I have this problem....Hexane has a density of 0.659 g/ml. How many milliliters (mL) would a student need to pour in order to
1. 2 answers
2. asked by Amanda
3. 1,758 views
How many moles of ammonium ions are in 8.794g of ammonium carbonate?I got .1832 as an answer and I was told that I was very
1. 3 answers
2. asked by Ezra
3. 1,601 views
A tree stands vertically on a hill side which makes an angle of 15 degree with the horizontal. From a point on the ground 35
1. 3 answers
2. asked by Geeta negi
3. 1,530 views
Manohar has total of rs 250 as currency notes in the denomination of rs 20 ,rs10 and rs 5. The ratio of the numbers of rs 20
1. 1 answer
2. asked by Mayank
3. 1,523 views
The perimeter of a pool table is about 7.8m. Four times the length equals nine times the width. What are the dimensions?I need
1. 1 answer
2. asked by Vanessa
3. 1,515 views
Consider the following types of data that were obtained from a random sample of 49 credit card accounts. Identify all the
1. 1 answer
2. asked by Trevor
3. 1,455 views
If meaurement of angle DEF=(3x+5) degrees and measurement of angle KLM=(x+31) degrees, and goth angles are complementary to
1. 1 answer
2. asked by Carol
3. 1,396 views
4) If a person with blood type AB marries someone with type O, what would be the possible genotypes and phenotypes of their
1. 1 answer
2. asked by AAAA
3. 1,381 views
The earth moves around the sun in a nearly circular orbit of radius 1.50 1011 m. During the three summer months (an elapsed time
1. 1 answer
2. asked by novie
3. 1,325 views
What is the predicate in this sentence? Steel is an important metal for buildings and tools.
1. 3 answers
2. asked by Traci
3. 1,305 views
Find the volume of the solid generated by revolving the region bounded by the line y=5x+6 and the parabola y=x^2 about the
1. 1 answer
2. asked by h
3. 1,240 views
joules needed to melt a 525 g ice cube at 0 degree C and to warm the liquid to 15 degrees C (two steps please show work)
1. 1 answer
2. asked by rachel
3. 1,238 views
In order to promote language acquisition in beginning language learners, teachers should require students to speak, even if only
1. 1 answer
2. asked by Anonymous
3. 1,234 views
An experimental rocket designed to land upright falls freely from a height of 2.88 102 m, starting at rest. At a height of 95.9
1. 2 answers
2. asked by Anonymous
3. 1,213 views
how many socks would you need to remove from a drawer containing 10 blue socks, 15 black socks and 5 red socks, to in sure that
1. 2 answers
2. asked by Tahmina
3. 1,188 views
assume a $1000 face value bond has a coupon rate of 8.5 percent pay interest semi-annually, ahd has an eight-year life. if
1. 0 answers
2. asked by Judy
3. 1,183 views
Your team performed replicate analyses of a sample and obtained an average 18.54 mM concentration with a relative standard
1. 1 answer
2. asked by kkk
3. 1,155 views
a bullet of mass 7g is fired into a block of wood weight 7kg the block is free to move after the impact , the velocity of the
1. 1 answer
2. asked by d.a.v
3. 1,106 views
The letter is written by Max.I have to identify the simple & complete subject and verb in this sentence. Along with the verb. I
1. 2 answers
2. asked by elizabeth
3. 1,103 views
I am writing two paragraphs about two themes but I can't think of two conclusion sentences.The themes are friendship and
1. 3 answers
2. asked by Emma
3. 1,078 views
Give an example of a function whose domain is {2,5,7} and whose range is {-1,0,3}?
1. 2 answers
2. asked by fatima
3. 1,069 views
A single 6-sided die is rolled twice.C. Find the odds in favor of getting 2 numbers whose sum is greater than 5. I would simply
1. 3 answers
2. asked by KeKe
3. 1,066 views
The earth moves around the sun in a nearly circular orbit of radius 1.50 1011 m. During the three summer months (an elapsed time
1. 1 answer
2. asked by novie
3. 1,058 views
What happens to the equilibrium price and quantity of ice cream in response to each of the following? (Explain your answers).a.
1. 1 answer
2. asked by Wayne
3. 1,057 views
The density of liquid oxygen at its boiling point is 1.14 \rm{kg/L} , and its heat of vaporization is 213 \rm{kJ/kg} .How much
1. 1 answer
2. asked by jazz boone
3. 1,057 views
A block weighing 17 N oscillates at one end of a vertical spring for which k = 120 N/m; the other end of the spring is attached
1. 2 answers
2. asked by abu
3. 1,052 views
The following is the tabulated data of the monthly commissions of the sales employees at La Verne Inc. Establish the frequency
1. 2 answers
2. asked by ed
3. 1,030 views
What is 6.3 x 10 to the 4th power converted to scientific notation
1. 3 answers
2. asked by Kayla
3. 1,010 views
The average life of Canadian women is 73.75 years and the standard deviation of the women's life expectancy in Canada is 6.5
1. 2 answers
2. asked by Cyndee
3. 985 views
A monkey is hanging from a branch located exactly 24 meters along the ground from the hunter. The monkey is 14 meters above the
1. 0 answers
2. asked by kris
3. 979 views
Can you check my answers?1. Locate the Gulf of Aden off the eastern coast of Africa. Now, write a definition of a gulf? A gulf
1. 1 answer
2. asked by Reed
3. 975 views
f(x)= 4x+3 what is f(x+h) - f(x) divided by h
1. 2 answers
2. asked by mike
3. 952 views
Does a propaganda poster have to be opposing the cause?for example, propaganda poster for the 2012 elections Would this work...
1. 1 answer
2. asked by bob
3. 924 views
The magnitude of vector is 40.0 units and points in the direction 315° counterclockwise from the positive x-axis. Calculate the
1. 1 answer
2. asked by Anonymous
3. 899 views
My question is 'what does the area under the curve represent?' it's a Maxwell-Boltzmann curve.My first idea was the number of
1. 1 answer
2. asked by George
3. 872 views
The diagram below shows two vectors, A and B, and their angles relative to the coordinate axes as indicated.DATA: α= 45.9o β=
1. 0 answers
2. asked by jameson
3. 863 views
A stone is dropped into a river from a bridge 43.3 m above the water. Another stone is thrown vertically down 1.06 s after the
1. 1 answer
2. asked by Anonymous
3. 859 views
. Classify the following items as (a) an addition to the bank balance, (b) a subtraction from the bank balance, (c) an addition
1. 0 answers
2. asked by Tiffany
3. 845 views
Suppose a brick has a mass of 4.50 kg. What is the brick's weight at the surface of the Earth
1. 1 answer
2. asked by Anonymous
3. 822 views
A monkey is hanging from a branch located exactly 24 meters along the ground from the hunter. The monkey is 14 meters above the
1. 0 answers
2. asked by Tom
3. 821 views
A hot air balloon containing an AP Physics student ascends vertically at a constant speed of 8 m/s. While ascending, he
1. 0 answers
2. asked by san
3. 821 views
I need major help with this please!!!On a safari, a team of naturalists sets out toward a research station located 6.9 km away
1. 0 answers
2. asked by Rachel
3. 811 views
Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-Rdiagram reflecting
1. 0 answers
2. asked by alhaji
3. 797 views
A player passes a 0.600- basketball downcourt for a fast break. The ball leaves the player's hands with a speed of 8.40 and
1. 2 answers
2. asked by inaazrina
3. 797 views
Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-Rdiagram reflecting
1. 0 answers
2. asked by alhaji
3. 796 views
Manohar has total of rs 250 as currency notes in the denomination of rs 20 ,rs10 and rs 5. The ratio of the numbers of rs 20
1. 1 answer
2. asked by Mayank
3. 795 views
A player passes a 0.600- basketball downcourt for a fast break. The ball leaves the player's hands with a speed of 8.40 and
1. 1 answer
2. asked by inaazrina
3. 790 views
The electron gun in a television tubeis used to accelerate electrons with mass 9.109 × 10−31 kg from rest to 3 × 107 m/s
1. 1 answer
2. asked by Anonymous
3. 788 views
How do you determine the ymax? I know you have to use Q which I have values that were given to me as well as vo values but I am
1. 0 answers
2. asked by Hannah
3. 782 views
Acetone is a common solvent and has a density of 0.7899 g/mL. What volume of acetone, in mL, has a mass of 29.4 g?
1. 1 answer
2. asked by khris
3. 766 views
The region bounded by y=2.5x^2 and y=4x is to be rotated about both axes and the volume generated calculated by both the washer
1. 0 answers
2. asked by l
3. 764 views
what did galileo state about the motion of objects?
1. 0 answers
2. asked by Jay
3. 750 views
In deep space (no gravity), the bolt (arrow) of a crossbow accelerates at 187m/s^2 and attains a speed of 114m/s when it leaves
1. 2 answers
2. asked by Emily
3. 750 views
what is the final temperature of aluminum when 26.4 cal of heat is added to 18.1 g of aluminum at 21.0 degrees c
1. 1 answer
2. asked by bekki
3. 741 views
Suppose a license plate requires three letters ,followed by three digits.how many license plates are there if the letters are
1. 2 answers
2. asked by nancy
3. 740 views
While warming up in her tryout as a pitcher for the Montwood softball team, Anabel Parga throws a softball horizontally with a
1. 0 answers
2. asked by sam
3. 726 views
A stone is dropped from the top of a well. If the well is 23.1 meters deep, how long with the stone take to reach the bottom?
1. 2 answers
2. asked by Allie
3. 721 views
I'm trying to double check my answers. These are the answers I believe to be correct. Please let me know if I am right or wrong.
1. 5 answers
2. asked by Tammy
3. 711 views
1. The patient is seen by his family physician for follow-up treatment of recently diagnosed asthmatic bronchitis. The
1. 3 answers
2. asked by Anonymous
3. 709 views
A 68-g ice cube at 0°C is placed in 796 g of water at 30°C. What is the final temperature of the mixture?
1. 1 answer
2. asked by shawn
3. 705 views
the rise of water in plants is presently most satisfactorily explained by which element: magnesium, sulphur, calcium,
1. 1 answer
2. asked by Mary
3. 702 views
"Street, Dresden", 1907, oil on canvas by Ernst Ludwig Kirchner.Describe the shapes in this painting. Are the shapes organic or
1. 1 answer
2. asked by Maggie
3. 701 views
Five thousand raffle tickets are to be sold at $10 each to benefit a local community group. The prizes, the number of each prize
1. 0 answers
2. asked by peach
3. 696 views
A bicycle has a speed of 7.5m/s at 4.3sec and a constant acceleration of 2.6m/s^2. the bicycle is at the origin (on the positive
1. 0 answers
2. asked by Emily
3. 695 views
Read the following scenario: You are a second-grade teacher at Happy Valley Elementary School. You are teaching language arts
1. 3 answers
2. asked by kristin
3. 694 views
what is the sum of the two least natural numbers that each have exactly six distinct,positive factors?
1. 1 answer
2. asked by shaun
3. 693 views
3) Caucasian humans have a gene which determines the curliness of hair. Individuals with straight hair are homozygous for the
1. 1 answer
2. asked by AAAA
3. 689 views
Can you help me compare and contrast liberal vs. conservative ideologies. Also, I need to provide a social and political example
1. 2 answers
2. asked by Sarah
3. 684 views
The magnitude of vector is 18.0 units and points in the direction 345° counterclockwise from the positive x-axis. Calculate the
1. 1 answer
2. asked by Kayla
3. 680 views
A soccer ball is kicked from the ground with an initial speed of 14.5 m/s. After 0.272 seconds, ts speed is 12.4 m/s. (A) Give a
1. 1 answer
2. asked by Mima
3. 672 views
Amanda is decorating her new home and wants to buy some house plants. She is interested in three types of plants costing $4, $8,
1. 1 answer
2. asked by Anonymous
3. 668 views
How many H atoms are present in 7.2g of propane, C3H8?
1. 1 answer
2. asked by PJcotieboi
3. 660 views
A policeman travelling 60 km/h spots a speeder ahead , so he accelerates his vehicle at a steady rate of 2.22 m/s^2 for 4.00 s,
1. 0 answers
2. asked by Hanu
3. 660 views
Hormones that regulate the development and functioning of reproductive organs are called ________ hormones.
1. 1 answer
2. asked by kbarnes
3. 659 views
I don't know how to find the kpa for 35.78 m in this question. I know its a P1V1=P2V2 question, i just need the kpa for 35.78m
1. 3 answers
2. asked by Anonymous
3. 656 views
Hello! I'm writing a story for English class, and it's supposed to be somewhat like 'the devil and Tom walker'. I'm don't know
1. 1 answer
2. asked by Tamiyah
3. 650 views
A large kite of mass 3 kg is flying through the air on a windy day. Currently, the tension from the string on the kite has a
1. 1 answer
2. asked by Ashley
3. 647 views
A quarterback makes a pass, throwing the ball at 21 m/s and an angle of 60° above the horizontal.A) What is the maximum height
1. 0 answers
2. asked by Katharine
3. 642 views
A car dealer will sell you a used car for $5709 with $709 down and payments of 233.75 per month for 24 months. What is the
1. 1 answer
2. asked by Sue Jackson
3. 632 views
Word Problems (Addition/Elimination Method).Check if my answers are correct. 1.A girl bought 2 CDs and 3 DVDs for $92. Each DVD
1. 1 answer
2. asked by Amy
3. 631 views
to travel 132 miles it take sue riding a moped 2 hours less time then it takes doreen to travel 56 miles riding a bike. sue
1. 1 answer
2. asked by john
3. 616 views
A hole of a radius of 1cm is pierced in a sphere of a 4cm radius. Calculate the volume of the remaining sphere.I know that the
1. 0 answers
2. asked by John
3. 612 views
A car traveling 88 km/h is 80 m behind a truck traveling 75 km/h. How long will it take the car to reach the truck
1. 1 answer
2. asked by Haleigh
3. 611 views

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