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2011
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Questions Asked on January 16, 2011

Rank the following fertilizers in decreasing order of mass percentage of nitrogen:NH3 NH4NO3 (NH4)2HPO4 KNO3 (NH4)H2PO4
1. 4 answers
2. asked by Anonymous
3. 14,039 views
a student standing on the roof of a 50 meter high building kicks a stone at a horizontal speed of 4 meters per second, how much
1. 6 answers
2. asked by jack
3. 11,423 views
A model rocket leaves the ground, heading straight up at 47 m/s.(a) What is its maximum altitude? m What are its speed and
1. 1 answer
2. asked by Jen
3. 6,790 views
Determine the Ka of an acid whose 0.294 M solution has a pH of 2.80.
1. 1 answer
2. asked by rena
3. 5,828 views
A motorist drives along a straight road at a constant speed of 15.0 m/s. just as she passes a parked police officer,the officer
1. 2 answers
2. asked by kevin
3. 4,981 views
If 100. mL of 0.400 M Na2SO4 is added to 200. mL of 0.600 M NaCl, what is the concentration of Na+ ions in the final solution?
1. 2 answers
2. asked by emoni
3. 3,642 views
Find the area of the following ellipse (round to nearest tenth).2a = 10 cm; 2b = 24 cm. a = How many cm2?
1. 1 answer
2. asked by Ivan
3. 3,458 views
A student pulls a 60 newton sled with a force having a magnitude of 20 newtons. what is the magnitude of the force that the sled
1. 5 answers
2. asked by jill
3. 3,204 views
A large box whose mass is 20 kg rests on a frinctionless floor. A mover pushes on the box with a force of 250 N at an angle of
1. 1 answer
2. asked by Brian
3. 2,971 views
Find the amount in each case.a) 8% is 56kg.
1. 5 answers
2. asked by *multi*
3. 2,697 views
on the surface of earth, a spacecraft has a mass of 2.00x10^4 kilograms. What is the mass of the spacecraft at a distance of one
1. 2 answers
2. asked by jill
3. 2,632 views
How many uniform, identical textbooks of width 25.0 cm can be stacked on top of each other on a level surface without the stack
1. 1 answer
2. asked by melissa
3. 2,471 views
a = 12 cmb = 14 cm h = 8 cm. Compute the area. How many cm2?
1. 2 answers
2. asked by Ivan
3. 2,177 views
A heat pump is proposed that uses 50 degree F ground water to heat a house to 70 Degree F. The groundwater experiences a
1. 1 answer
2. asked by chris
3. 2,148 views
Darwin is considered the "father of evolutionary biology." Four of his contributions to the field of evolutionary biology are
1. 1 answer
2. asked by Mary
3. 2,035 views
Write a short paragraph that traces the rise of Japan from an isolated society to a major industrial and imperial power.I have
1. 5 answers
2. asked by Lauren
3. 1,892 views
Compute the area of a triangle with sides.15 × 15 × 18 a = How many square units?
1. 1 answer
2. asked by Ivan
3. 1,876 views
What is the pH of a buffer system prepared by dissolving 10.70 grams of NH4Cl and 25.00 mL of 12 M NH3 in enough water to make
1. 1 answer
2. asked by emoni
3. 1,860 views
The punter on a football team tries to kick a football so that it stays in the air for a long "hang time." If the ball is kicked
1. 2 answers
2. asked by shannon
3. 1,852 views
I am trying to write a 1500 words review of two articles that are discussing ethical perspectives or business ethics for two
1. 1 answer
2. asked by kim
3. 1,844 views
If 0.10 M potassium chromate is slowly added to a solution containing 0.50 M AgNO3 and 0.50 M Ba(NO3)2. What is the Ag+
1. 2 answers
2. asked by noel
3. 1,790 views
Two people are carrying a uniform 788.0 N log through the forest. Bubba is 2.0 m from one end of the log (x), and his partner is
1. 1 answer
2. asked by Joan
3. 1,759 views
C2H2(g) + 2 H2(g)--> C2H6(g)Information about the substances involved in the reaction represented above is summarized in the
1. 1 answer
2. asked by Brenda
3. 1,703 views
At 25 °C, the density of a 50 % (by mass) ethanol/water solution is 0.914 g/cc. Given that the partial molar volume of water in
1. 1 answer
2. asked by syl
3. 1,569 views
C2H2(g) + 2 H2(g)--> C2H6(g)Information about the substances involved in the reaction represented above is summarized in the
1. 1 answer
2. asked by Brenda
3. 1,548 views
0.10 M potassium chromate is slowly added to a solution containing 0.50 M AgNO3 and 0.50 M Ba(NO3)2. What is the Ag+
1. 3 answers
2. asked by emoni
3. 1,526 views
A gardener is installing a circular garden. The radius of the circle 28 feet. He needs to know the circumference in order to buy
1. 3 answers
2. asked by Ivan
3. 1,494 views
True/False1. Diatomic molecules contain two atoms?T 2. Electrons travel in pairs? T 3. The energies needed to break chemical
1. 1 answer
2. asked by Chem
3. 1,462 views
1. Could a horizontal axis of rotation be used satisfactorily in an experiment uniform circular motion? Explain
1. 2 answers
2. asked by Andrew
3. 1,436 views
Calculate the pH of a 0.800 M NaCH3CO2 solution. Ka for acetic acid, CH3CO2H, is
1. 0 answers
2. asked by noel
3. 1,413 views
An electron in a hydrogen atom could undergo any of the transitions listed below, by emitting light. Which transition would give
1. 3 answers
2. asked by Job
3. 1,380 views
On a worksheet, the adjusted balance of the Depreciation Expense account is extended to the __________ column. (Points: 5)Income
1. 0 answers
2. asked by Lisa
3. 1,375 views
Find the area of the following circle. ( = 3.14; round answer to the nearest whole number). Circumference = 120 cm. (Hint: Find
1. 1 answer
2. asked by Ivan
3. 1,360 views
0.10 M potassium chromate is slowly added to a solution containing 0.50 M AgNO3 and 0.50 M Ba(NO3)2. What is the Ag+
1. 1 answer
2. asked by noel
3. 1,344 views
Authors uses literary devices such as foreshadowing,symbolism,similes,metaphor,personification, and allusions.What are two
1. 2 answers
2. asked by Seleta
3. 1,340 views
In an arithmetic sequence, the first term is 100 and the sixth term is 85. Find the common difference. Then, find the 50th term
1. 3 answers
2. asked by lYDIA
3. 1,317 views
An electric vehicle starts from rest and accelerates at a rate of 2.3 m/s2 in a straight line until it reaches a speed of 17
1. 1 answer
2. asked by Ethan
3. 1,284 views
When the sun's angle of elevation is 30 degree the shadow of a post is 6 ft longer than when the angle is 45degree. find the
1. 1 answer
2. asked by Cas'
3. 1,271 views
which poem sounds the best and easier to anaylze and explain to others about?Im gonna present this to grade 12th english class.
1. 1 answer
2. asked by candybar
3. 1,256 views
A startled armadillo leaps upward, rising 0.515 m in the first 0.203 s. (a) What is its initial speed as it leaves the ground?
1. 2 answers
2. asked by Ethan
3. 1,256 views
Write a 200-300 word summary describing a time when you had to test a theory. This theory may be something you have tested at
1. 1 answer
2. asked by Angela
3. 1,246 views
Find the area of the sector, given a central angle of 55degrees and a radius of 5.7 in. Round your answer to the nearest tenth.
1. 1 answer
2. asked by CJ
3. 1,246 views
An electron moving along the x axis has a position given by x = 14 te-t m, where t is in seconds. How far is the electron from
1. 0 answers
2. asked by Ethan
3. 1,184 views
Given the expression (3s-4)(4s+5), explain in words the steps taken to completely simplify the expression
1. 2 answers
2. asked by tanya
3. 1,179 views
I forgot to include these other sentences. I hope you can have a look at them, too.1) If death, unlike sleep, is an end in
1. 1 answer
2. asked by Franco
3. 1,147 views
What rise in temperature occurs when 10g of steam at 100 degree celcius are passed into 400g of water at 10 degrees celcius
1. 0 answers
2. asked by Sarah
3. 1,136 views
When policymakers set prices by legal decree, they...?a. obscure the signals that normally guide the allocation of society’s
1. 5 answers
2. asked by Anonymous
3. 1,128 views
compare asexual reproduction and sexual reproduction
1. 1 answer
2. asked by Anonymous
3. 1,119 views
How do you explain to 6 year old what a rectangular coordinate system is and why it is important in math. What information is
1. 1 answer
2. asked by Mike
3. 1,087 views
If a polonium-210 (Po-210) atom has just decayed, how close can the ejectedalpha particle get to a neighboring Po-210 nucleus?
1. 1 answer
2. asked by Bobby
3. 1,075 views
solve this in 3 variables..i don't know where to start,,:(( y/4+z/3-x/2=4 y/2-x/6+z/15=2 y/8+z/5-x/3=2
1. 1 answer
2. asked by rose
3. 1,067 views
A car P is moving with uniform speed of 5m/s towards a carriage of mass 9kg at rest kept on the rails at point B. the height of
1. 0 answers
2. asked by sreeram
3. 1,064 views
What is a typical speed for a N2 molecule in this room?a) 50 m/s b) 500m/s c) 1500 m/s
1. 0 answers
2. asked by emoni
3. 1,060 views
some reasons why the metis were frowing dissatrisfied with canadian government
1. 4 answers
2. asked by pkd
3. 1,060 views
The sides of a triangular lot are represented by x, 2x, and 3x + 2. Find each side if the perimeter is 362 feet.What are the 3
1. 1 answer
2. asked by Ivan
3. 1,057 views
A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams
1. 6 answers
2. asked by Patrick
3. 1,041 views
x-3y=1x2-2xy+9y2=17 solve simalteneously
1. 3 answers
2. asked by motlhalefi
3. 1,036 views
A square measures 8 inches on each side. What is its area rounded off to the nearest whole number. (Note: 1 inch ≈ 2.54 cm)
1. 3 answers
2. asked by Ivan
3. 1,016 views
A 16.0-m uniform ladder weighing 490 N rests against a frictionless wall. The ladder makes a 63.0° angle with the horizontal.(a
1. 1 answer
2. asked by mee
3. 1,005 views
Cassandra is repaying an installment loan of 3,500 with 20 equal payments of 196.00 each.What is the annual percentage rate of
1. 3 answers
2. asked by Jessie
3. 1,002 views
Find the length of the intercepted arc with radius 2.5 cm and a central angle of 95degrees. Round your answer to the nearest
1. 1 answer
2. asked by CJ
3. 991 views
13y=10x+y+z=39 16x=13z
1. 1 answer
2. asked by aldren
3. 973 views
Is this answer correct?Jeremy is in Grade 8. He has a paper route and wants to save for his college education. He determines
1. 1 answer
2. asked by Alicia
3. 967 views
a uniform bar of mass is supported by support pivoted at top about which bar can swing like simple pendulum. If force F is
1. 1 answer
2. asked by bharat narke
3. 958 views
The question is: Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this
1. 1 answer
2. asked by Rachael
3. 955 views
Find the area of the following circle.r = 9 yd. a = How many square yards?
1. 1 answer
2. asked by Ivan
3. 953 views
Explosives are used to blow a rock apart. The explosion blows the rock into three fragments. Two fragments go off at a 76 degree
1. 1 answer
2. asked by Joan
3. 945 views
Calculate the work necessary to compress air in an isolated cylinder with initial and final volumes of 6.0 and 1.2 ft^3,
1. 1 answer
2. asked by chris
3. 939 views
find the slope intercept equation of the line that has the given characteristics.slope 6.7 and y intercept (0,-7) Thanks.
1. 1 answer
2. asked by robbie
3. 933 views
What was the average speed in km/h of a car that travels 400.0 km in 4.5 h?
1. 2 answers
2. asked by Anonymous
3. 925 views
In triangle ABC,• AB is x cm long • BC is twice the length of AB • AC is 10 cm longer than AB. The perimeter of the
1. 2 answers
2. asked by Anonymous
3. 916 views
A 5.00-gram sample of glucose, C6H12O6, [molar mass = 180.] is dissolved 10.0 grams of waterWhat is the molality of the glucose
1. 1 answer
2. asked by Mark
3. 908 views
(a) If the position of a particle is given by x = 16t - 7t3, where t is in seconds and x is in meters, when is the particle's
1. 1 answer
2. asked by Ethan
3. 900 views
would saying the patients condition has improved with new medication be an examploe of de-identified information?
1. 0 answers
2. asked by isabell
3. 900 views
The Net Income amount from the Income Statement is used as a line item on which statement? (Points: 5)Profit and loss statement
1. 1 answer
2. asked by Lisa
3. 890 views
A laser emitting at 632.8nm illuminates a double slit. A screen is positioned 2.00 m from the slits. Interference fringes are
1. 1 answer
2. asked by Tom
3. 879 views
Part One of Two:Ø Resources: Appendix A, Appendix C, and Table 8.3 on pp. 258-259 of Medical Insurance Ø Due Date: Day 7
1. 1 answer
2. asked by brandi
3. 872 views
Joe is sledding down a snow hill when he collides with Mike half way down the hill. Joe and the sled have a mass of 65 kg and
1. 0 answers
2. asked by Sara
3. 865 views
A solid of mass 400g in air and when partly is immersed in a certain liquid it has a mass 320g. Given that the relative density
1. 0 answers
2. asked by Asamoah
3. 862 views
a ladder AP of length 5m inclined to a vertical wall is slipping over a horizontal surface with velocity 2m/s , when A is at a
1. 1 answer
2. asked by sreeram
3. 854 views
BISHOP COMPANYInv. No. Check Date Description Name or Date No. Terms Amount Mar. 1 Received merchandise and invoice Soy
1. 0 answers
2. asked by zion
3. 847 views
find mass of a rocket as a function of time,if it moves with constant acceleration a in absence of external forces.the gas
1. 1 answer
2. asked by sreeram
3. 842 views
which poem is the best?can you guys help me pick the best poem to analyze and present to class? What would be your second pick
1. 1 answer
2. asked by mikki
3. 841 views
a)385 data loss incidents took placeb)110 million people were affected by personal data loss incidents c)3% of all data loss
1. 4 answers
2. asked by Sue
3. 838 views
During a hard sneeze, your eyes might shut for 0.58 s. If you are driving a car at 92 km/h during such a sneeze, how far does
1. 2 answers
2. asked by Ethan
3. 830 views
Hi,IS it correct that DHCP is a protocol that enables network devices to share a pool of IP addresses. Is it also correct that
1. 0 answers
2. asked by freddo
3. 824 views
A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams
1. 0 answers
2. asked by Patrick
3. 821 views
multiply (2�ã7-5�ã3)(8�ã7-5�ã3)
1. 4 answers
2. asked by Anonymous
3. 814 views
---I asked this questionSolve the following right triangles: a. a=117 ft, b=16.35 ft b. B=8 degrees 29',and a=32.8 ft Reiny was
1. 2 answers
2. asked by Jad
3. 810 views
Choose the equations which correctly describe the dissolution of a compound into water.a) CaBr2(s)-> Ca2+(aq) + Br2(l) b) sodium
1. 5 answers
2. asked by Erika
3. 801 views
need to take an object from point a to point b and back to a and your only allowed to touch the project once to start. any
1. 0 answers
2. asked by matt
3. 788 views
Calculate the number density of strontium titanate (SrTiO3), ρ = 5.12 g cm-3
1. 1 answer
2. asked by Bobby
3. 785 views
do you think dogs are better than cats ?
1. 1 answer
2. asked by kattie
3. 784 views
CHOI ENTERPRISESInv. No. Check Date Description Name or Date No. Terms Amount Dec. 16 Merchandise sold (cost $4,600) Hanna Seppa
1. 0 answers
2. asked by zion
3. 773 views
1<3x+5<12
1. 1 answer
2. asked by samuel
3. 773 views
If the voltage between the two plates of an electric air cleaner is 500 V, how fast would a 10-12 kg soot particle with -1 x
1. 1 answer
2. asked by sabrina
3. 766 views
Two objects collide and bounce off one another. After the collision, object m1 = 1.67 kg moves off at 14.5 m/s at a heading of
1. 0 answers
2. asked by Joan
3. 759 views
which of the functions,P,H,L,R, is a polynomial.The following are a number of terms. determine the coefficient and the degree of
1. 1 answer
2. asked by lilian ahmed
3. 753 views
In a business report what spacing should you use between lines?
1. 0 answers
2. asked by Anonymous
3. 750 views
we have to pick a famous painting to do a art project on. I picked the famous Mona Lisa. My question is that why does the Mona
1. 2 answers
2. asked by Monalica
3. 749 views

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