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Questions Asked on February 9, 2011

Given the following equation:2KClO3---> 2KCl+3O2 How many moles of O2 can be produced by letting 12.00 moles of KClO3 react?
1. 6 answers
2. asked by Nick
3. 15,140 views
What is 6/12 in a equivalent fraction
1. 30 answers
2. asked by Kate
3. 7,970 views
FeSCN2+ -> Fe3+ + SCN-Solution is initially dark red. If some Ag+ is added to form AgSCN. what happens to position of
1. 1 answer
2. asked by Grace
3. 6,423 views
Consider the freight train. Suppose 15 boxcars pass by in a time of 14.0 s and each has a length of 14.0 m.(a) What is the
1. 1 answer
2. asked by Sarah
3. 4,805 views
A kid applies a force of 70 N to a ball over 1.1 meters. How much work did he do on the ball?
1. 2 answers
2. asked by brittany
3. 3,813 views
Tom drove to Easton from home at 50 mph. His return trip took 30 minutes longer because he ran into traffic and could only drive
1. 4 answers
2. asked by Mike
3. 3,380 views
A cubic polynomial function f is defined by f(x) = 4x^3 + ax^2 + bx + k?A cubic polynomial function f is defined by: f(x) = 4x^3
1. 1 answer
2. asked by Leanna
3. 3,356 views
Determine the number of grams of water which are required to dissolve a mixture of 25 g of KNO3 and 2.0 g of CuSo4 * 5H20 AT 100
1. 3 answers
2. asked by Jessica
3. 3,110 views
in a true solution, the dissolved particles(1)are visible to the eye (2)will settle out on standing (3)are always solids
1. 1 answer
2. asked by lisa
3. 2,793 views
what is 1/6 hour later than5:55
1. 11 answers
2. asked by Anonymous
3. 2,679 views
Two identical small spheres of mass 2.0g are fastened to the ends of an insulating thread of length 0.60m The spheres are
1. 1 answer
2. asked by Diana
3. 2,632 views
Solve each equation. Check for extraneous solutions.Solve:|x+5|=3x-7 My answers were: x=6 and x=.5 I don't think they are right
1. 7 answers
2. asked by Attalah
3. 2,624 views
Can anyone help me out with the differences between electron geometry and molecular geometry for SCl6?I think the molecular
1. 4 answers
2. asked by Kate
3. 2,616 views
An amount of 1.250g of an alloy (90% Ag, 10% Cu) was treated with HNO3 and H2SO4 to form Ag2SO4 and CuSO4. The solution was then
1. 1 answer
2. asked by Anonymous
3. 2,610 views
How would your Mars weight compare to your earth weight if the acceleration due to gravity on Mars is 3.71 m/s2?
1. 1 answer
2. asked by olivia
3. 2,424 views
Two friends are sitting in a stationary canoe. At the person at the front tosses a sack to theperson in the rear, who catches
1. 2 answers
2. asked by Ed
3. 2,410 views
the first and second terms of an arithmetic progression are 161 and 154 respectively.the sumthe first m terms is zero.find the
1. 2 answers
2. asked by parth
3. 2,408 views
A sample of nitrogen gas occupies 1.55 L at 27oC and 1 atm pressure. What will the volume be at -100oC and the same pressure?
1. 2 answers
2. asked by Alyssa
3. 2,340 views
$3,800 principal earning 2%, compounded quarterly, after 7 years
1. 2 answers
2. asked by Presley
3. 2,296 views
WRITE THE BALANCED CHEMICAL EQUATION,WRITE THE OVERALL IONIC EQUATION,IDENTIFY THE SPECTOR IONS AND POSSIBLE PRECIPITATES,WRITE
1. 2 answers
2. asked by Jasmine
3. 2,295 views
Find two positve real numbers whose product is a maximum and whose sum of the first number and four times the second number is
1. 1 answer
2. asked by Anonymous
3. 2,197 views
A projectile is fired with an initial speed of 120m.s' at an angle of 60' above the horizontal from the top of a 50m high cliff.
1. 2 answers
2. asked by Mykmoloko
3. 2,126 views
A random sample of size 36 is to be selected from a population that has a mean μ = 50 and a standard deviation σ of 10.* a.
1. 1 answer
2. asked by Tammy
3. 1,950 views
The length of a rectangle is 1ft more than twice its width, and the area of the rectangle is 28ft^2 . Find the dimensions of the
1. 2 answers
2. asked by Rachal
3. 1,875 views
Use the digits 0,2,5 and 8. Write a decimal that will round up if rounded to the nearest whole number, round down if rounded to
1. 7 answers
2. asked by Irene
3. 1,639 views
On what intervals is the function f(x)=x7−7x6 both decreasing and concave up?
1. 1 answer
2. asked by Laurin
3. 1,636 views
Five socks, colored blue, brown, black, red, and purple are in a drawer. how many combinations of three socks can be randomly
1. 1 answer
2. asked by Math
3. 1,631 views
How do I determine the probability of selecting a card greater than 9 or a black card?
1. 3 answers
2. asked by Madison
3. 1,627 views
Rewrite the expression without using a negative exponent.4z^-4 Simplify your answer as much as possible. is this right? (1/4z^4)
1. 3 answers
2. asked by Rachal
3. 1,598 views
A triangle has side lengths of 3in, 4in, and 6in. The longest side of a similar triangle is 15 in. What is the length of the
1. 1 answer
2. asked by Anonymous
3. 1,523 views
vinegar is made by adding 33 g of acetic acid to 625 if water what is the percent by mass of acetic acid in this solution of
1. 1 answer
2. asked by Linda
3. 1,491 views
As you saw in Part B, the vapor above the cyclohexane-acetone solution is composed of both cyclohexane vapor and acetone vapor.
1. 1 answer
2. asked by me
3. 1,472 views
In an electrical circuit, the current passing through a conductor varies inversely with the resistance. Suppose that when the
1. 2 answers
2. asked by Rachal
3. 1,450 views
Given that 5y=25x how do you get the ratio of x to y in simplest form?
1. 5 answers
2. asked by Jesika
3. 1,422 views
An electron experiences a force of 12 mN in the positive x-direction in an electric field. What is the magnitude and direction
1. 1 answer
2. asked by Sam
3. 1,358 views
Select the option that is the equationy=2x-2 rearranged to make x the subject of the equation. Select one: x=y+1 or x=-y/2+1 or
1. 1 answer
2. asked by Marian
3. 1,332 views
A sprinter can reach a speed of 12 m/s in 0.96 s. If the sprinter’s acceleration is constant during that time, what is the
1. 1 answer
2. asked by olga
3. 1,309 views
At New York City, the earth's magnetic field has a vertical component of 5.2 10-5 T that points downward (perpendicular to the
1. 0 answers
2. asked by aml
3. 1,307 views
An archer pulls her bow string back 0.400 m by exerting a force that increases uniformly from zero to 240 N.(a) What is the
1. 3 answers
2. asked by jennifer
3. 1,307 views
The suggested retail price of a new car is p dollars. The dealership advertised a factory rebate of $1200 and an 8% discount.How
1. 1 answer
2. asked by Steve
3. 1,307 views
Calcium oxide (CaO), an important ingredient in cement, is produced by decomposing calcium carbonate (CaCO3) at high
1. 1 answer
2. asked by Liz
3. 1,288 views
How many milligrams of a mixture containing equal numbers of moles of CH4 and N2 at 10 ATM total pressure will dissolve in 1 L
1. 3 answers
2. asked by Neil
3. 1,281 views
A certain car is capable of accelerating at a uniform rate of 0.85m/s2. What is the magnitude of the car's displacement as it
1. 1 answer
2. asked by Timmi
3. 1,274 views
If 48.9g of barium chloride dihydrate, BaCl2.2H20, was treated with excess silver nitrate solution. (show formula)a). how many
1. 2 answers
2. asked by Chels
3. 1,242 views
If bird DNA is more similar to crocodile DNA than turtle DNA is to crocodile DNA, then...A)birds should be included amoung
1. 1 answer
2. asked by Carly
3. 1,238 views
One isotope of a metallic element has mass number 59 and 31 neutrons in the nucleus. The cation derived from the isotope has 26
1. 2 answers
2. asked by Alex
3. 1,236 views
If you walk 100 meters forward and then 35 meter backward what is distance traveled and your displacemaent ?
1. 2 answers
2. asked by taylor
3. 1,207 views
can you correct the rest for me please?Express each as a function of theta: a. sin (270deg + theta)= cos theta b. cos (pi +
1. 0 answers
2. asked by Anonymous
3. 1,193 views
Examples to illustrate your understanding and application of each level of the Maslow model. i need some powerpoint idles
1. 0 answers
2. asked by Denese
3. 1,189 views
Molarity of .100 mole of urea (CH4N2O) in 250.0 mL of solution
1. 1 answer
2. asked by Audrey
3. 1,183 views
Given a power function of the form f(x)=axn, with f(3)=20 and f(9)=1620, find n and a
1. 3 answers
2. asked by Alyssa
3. 1,174 views
A revolving restaurant rotates one complete turn every 56 minutes. In the 21 minutes it takes to eat the peaches jubilee
1. 5 answers
2. asked by jay
3. 1,168 views
H(x)= 0.002x^2+0.005x-0.029 where x is the speed of the car in miles per hour.How can I rewrite the function so that x represe
1. 0 answers
2. asked by Ethan
3. 1,164 views
Excluding the echinoderms, all the animals in group 2 (birds, mammals, fish, amphibians) have which of the following
1. 0 answers
2. asked by Dante
3. 1,158 views
The following is a possible XML description of a reference. From the options listed below choose the most appropriate statement
1. 0 answers
2. asked by Ramond
3. 1,141 views
Lesson 3 Assignment .Explain the differences between solving these two equations: By stepslog3(x - 1) = 4 AND log3(x - 1) =
1. 0 answers
2. asked by Matt D.
3. 1,140 views
A cubic polynomial function f is defined by f(x) = 4x^3 + ax^2 + bx + k?A cubic polynomial function f is defined by: f(x) = 4x^3
1. 0 answers
2. asked by Leanna
3. 1,098 views
our goal is to pick a candy. My candy i picked was Mars Bar. The teacher told us to make 3 claims of our chocolate and then
1. 12 answers
2. asked by Monica
3. 1,098 views
An athlete in a competition needs to get from point A to another point B directly across from a river. He can swim in stationary
1. 2 answers
2. asked by Jessica Lopez
3. 1,094 views
what multiplication fact can be found by using the arrays for 2X9 and 5X9?
1. 0 answers
2. asked by Brenda
3. 1,093 views
An aluminum block slides along a horizontal surface. The block has an initial speed of 11.6 m/s and an initial temperature of
1. 1 answer
2. asked by Gerry
3. 1,091 views
a rectangular box has dimensions 9cm by 6 cm by 24 cm. a second rectangular box has volume one-half of the first and has a base
1. 1 answer
2. asked by ann
3. 1,084 views
what form of government was ancient egypt?
1. 3 answers
2. asked by Sara!
3. 1,076 views
A projectile is launched upward at an angle of 75 from the horizontal and strikes the ground a certain distance away. For what
1. 2 answers
2. asked by Mykmoloko
3. 1,074 views
if you mix 50ml of 0.1 tris acid with 60ml if 0.2m tris base, what will be the resulting pH?
1. 1 answer
2. asked by ashley
3. 1,074 views
what is the answer to penn foster exam 02800601
1. 2 answers
2. asked by tj
3. 1,065 views
how to convert 4.50 cubic feet to milliliters
1. 3 answers
2. asked by les
3. 1,043 views
The solar wind is a thin, hot gas given off by the sun. Charged particles in this gas enter the magnetic field of the earth and
1. 1 answer
2. asked by aml
3. 1,033 views
Air rushing over the wings of high-performance race cars generates unwanted horizontal air resistance but also causes a vertical
1. 0 answers
2. asked by Nerdy Nancy
3. 1,018 views
Given: hexane--density at 25 degrees Celsius (.660g/ml) -Vapor pressure of pure substance at 25 degrees Celsius (150 torr) -heat
1. 1 answer
2. asked by Elizabeth
3. 1,015 views
The weight of the block on the table is 422 N and that of the hanging block is 185 N. Ignoring all frictional effects and
1. 0 answers
2. asked by Nerdy Nancy
3. 1,006 views
what are 10 real songs that have the words “photo”, “picture”, “scene”, “sketch”, “video”, or “evidence”
1. 1 answer
2. asked by forensics
3. 1,003 views
three spheres, each with a negative charge of 4.0*10^-6 C, are fixed at the vertices of an equilateral triangle whose sides are
1. 0 answers
2. asked by Diana
3. 993 views
To hoist himself into a tree, a 72.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch
1. 0 answers
2. asked by Nerdy Nancy
3. 961 views
Discuss the three types of management styles that are reviewed in your course materials (Scientific Management, Human Relations
1. 1 answer
2. asked by dEAN
3. 945 views
The Lightning Thief book and movie are different and same in many ways. The book of the Lightning Thief is more interesting and
1. 3 answers
2. asked by Justin
3. 945 views
im in the 5th grade and i need help is on metric measures and conversoins
1. 1 answer
2. asked by brian
3. 931 views
The decline of Tibet as a powerful kingdom happened? a. at the same time as the decline of the Tang dynasty b.during the Sui
1. 2 answers
2. asked by Jesss
3. 906 views
Which of the following was NOT a reason that slavery became more broadly used in Virginia after Bacon's Rebellion?a. the
1. 2 answers
2. asked by T-Baby
3. 898 views
A. L1: (0,-1), (5,9) L2: (0,3), (4,1) The lines are perpendicular because there slopes product equal -1. The point they
1. 0 answers
2. asked by Khylisha
3. 895 views
An airplane is traveling km/h in a direction 41.5 degrees west of north. (a) find the cmpopnets of the velocity in the northerly
1. 1 answer
2. asked by Kim
3. 891 views
what is acculturation
1. 1 answer
2. asked by m
3. 885 views
HA(aq)+ H2O (l) <-> H3O+(aq)+ A¯ (aq)Given the reaction above, which of the following will cause an increase in the pH of an
1. 1 answer
2. asked by Michael
3. 884 views
Marley and Hassan rounded the number 7.483. Marleys answer was greater than 7.438. Marleys answer was greater than 7.483, and
1. 2 answers
2. asked by Iris
3. 884 views
True or False?If the inverse function of f exists, and the graph of f has a y-intercept, the y-intercept of f is an x-intercept
1. 1 answer
2. asked by Sam
3. 881 views
What is the chemical equation that corresponds to the standard molar enthalpy of formation of N2O?
1. 1 answer
2. asked by jules
3. 878 views
Consider the following multistep reaction:C+D-> <-CB (FAST) CD+D->CD2 (SLOW) CD2+D->CD3 (FAST) C+3D->CD3 (OVERALL) Based on the
1. 0 answers
2. asked by Candice
3. 875 views
This question is about plotting two points and drawing the straight line through them. Which two options are correct
1. 0 answers
2. asked by Marian
3. 858 views
Write and balance an equation for a reaction in which iron (Fe) and hydrochloric acid (HCL) reacto to form iron chloride (FeCl2)
1. 1 answer
2. asked by Sadie
3. 849 views
Write f(x)=x^4-12x^3+59x^2-138x+130 as a product of linear factors.I listed the factors of 130 and used synthetic division, but
1. 1 answer
2. asked by Anonymous
3. 846 views
is there a web sit that will help we with. What does a manager have to do to get an employee's needs met at one level of
1. 3 answers
2. asked by Denese
3. 844 views
Is my first paragraph of the essay good? Correct some mistakes.The Lightning Thief book and movie are different and same in many
1. 15 answers
2. asked by Justin
3. 830 views
Two charges q1 and q2 when separated by a distance r1 = R produce a force F1on each other. If the separation is increased to r2
1. 2 answers
2. asked by Alex
3. 826 views
The following is a list of 11 measurements: -2,82,87,-1,-51,-2,53,87,-20,32,35Suppose that these 11 measurements are
1. 2 answers
2. asked by Rachal
3. 815 views
Suppose that you hold a garden hose on the ground. It spurts water at a speed of 6,0m.s' (a) at what angle (to the horizontal)
1. 1 answer
2. asked by Mykmoloko
3. 815 views
during a test crash an air bag inflates to stop a dummys forward motion . the dummys mass is 75 kg.if the net force on the dummy
1. 0 answers
2. asked by Anonymous
3. 811 views
Lesson 3 Assignment .Explain the differences between solving these two equations: By stepslog3(x - 1) = 4 AND log3(x - 1) =
1. 2 answers
2. asked by Matt D.
3. 810 views
Tamara is flying in a hot air balloon. The hot air balloons is flying at an altitude of 1100 feet. The ground distance to the
1. 1 answer
2. asked by karina
3. 789 views
An astronaut in his space suit and with a propulsion unit (empty of its gas propellant) strapped to his back has a mass of 134
1. 0 answers
2. asked by maria
3. 787 views
A student planning her curriculum for the upcoming year must select one of four business courses, one of four mathematics
1. 0 answers
2. asked by Nicole E
3. 786 views

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