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Questions Asked on February 11, 2012

Magnesium reacts with iron(II) chloride according to the equationMg(s) + FeCl2(aq) → MgCl2(aq) + Fe(s) a. Is magnesium
1. 3 answers
2. asked by krystal
3. 7,875 views
The amount of energy released by burning a fuel source, measured in energy per mass, is called the fuel value. If all the energy
1. 5 answers
2. asked by Heather
3. 6,382 views
Name the type of reaction that the equation represents?2Cu + O2 -------> 2CuO
1. 3 answers
2. asked by Natalie
3. 5,593 views
If the magnitude of the electric field in air exceeds roughly 3 X10^6 N/C, the air breaks down and a spark forms. For a two-disk
1. 3 answers
2. asked by Brittney
3. 4,405 views
a. Cl2 + 2NaI → 2NaCl + I2This is a single replacement reaction. b. 2K + 2HCl → 2KCl + H2 This is a single replacement
1. 2 answers
2. asked by krystal
3. 4,320 views
This is a logs questionIf u=x/y^2, which expression is equivalent to log u? 1) log x + 2 log y 2) 2(log x- log y) 3) 2(log x +
1. 1 answer
2. asked by Charles
3. 4,182 views
Gymnast Clothing manufactures expensive hockey jerseys for sale to college bookstores in runs of up to 250. Its cost (in
1. 2 answers
2. asked by Jamie
3. 3,814 views
The highest barrier that a projectile can clear is 12.7 m, when the projectile is launched at an angle of 17.5° above the
1. 1 answer
2. asked by loweri
3. 3,767 views
computing checking account balance. based on the following information,determine the true balance in your checking account.balan
1. 1 answer
2. asked by sharon
3. 3,585 views
Which logarithmic equation is equivalent to L^m = E1) LogL E = m 2) logE L = m 3) logm E= L 4) logE m= L
1. 3 answers
2. asked by Charles
3. 3,231 views
The expression log(x^n/ radical y)is equivalent to1. n log x - 1/2 log y 2. n log x- 2 log y 3. log (nx) - log (1/2y) 4. log
1. 2 answers
2. asked by Stephen
3. 3,189 views
5. How many grams of KNO3 will be required to prepare 800 mL of 1.40 M KNO3?
1. 2 answers
2. asked by ima,
3. 3,108 views
The hypotenuse of the right triangle PQR is 16ft. length. The sine of the angle <P is 3/5. How many feet long is the line if QR?
1. 1 answer
2. asked by Aailayah
3. 2,776 views
1. Why are the muscles that make hair stand up vestigial?2. what are the probable functions of the muscles that makes hair stand
1. 1 answer
2. asked by NSCC
3. 2,621 views
OPQRS is a right pyramid whose base is a square of sides 12cm each. Given that the slant height of the pyramid is 15cm. Find the
1. 3 answers
2. asked by Joe
3. 2,606 views
Please show me how to set it up and to solve:A cell phone company sells about 500 phones each week when it charges $75 per
1. 2 answers
2. asked by Jane
3. 2,602 views
The strength of a wood beam varies inversely with its length. A beam is 33 feet long can support 1200 pounds. How much weight
1. 1 answer
2. asked by alex
3. 2,600 views
A hockey puck on a frozen pond is given an initial speed of 20.0 m/s. If the puck alwaysremains on the ice and slides 115 m
1. 1 answer
2. asked by michael
3. 2,497 views
Consider the differential equation,dy/dx=(x+1)/y^2 with the initial condition y(0)=3. Write down the particular solution, and
1. 3 answers
2. asked by Yvonne
3. 2,467 views
When two objects of unequal mass are hung vertically over a frictionless pulley ofnegligible mass, as shown below, the
1. 4 answers
2. asked by lacrosse
3. 2,462 views
Caluating opportunity cost. what is the annual opportunity cost of a checking account that requires a $500 minimum balance to
1. 2 answers
2. asked by sharon
3. 2,444 views
1) The molecular mass of a substance was determined by the freezing point depression technique. The minimum data required for
1. 5 answers
2. asked by Hannah
3. 2,104 views
extemporaneous presentation, what is the first step of the conclusion?A. Say, "In conclusion..." and continue with a summary of
1. 4 answers
2. asked by Anonymous
3. 2,056 views
In Exam Figure 7, AA′ = 33 m and BC =7.5 m. The span is divided into six equal parts at E, G,C, I, and K. Find the length of
1. 4 answers
2. asked by chelsey
3. 1,901 views
A block of mass 200g and density 0.8g/cm3 is submerged in a liquid of density 0.2g/cm3. find minimum force required to keep the
1. 3 answers
2. asked by Narayanan
3. 1,875 views
A bucket has 3 blacks and 7 red balls.(a) What is the probability of drawing a black fall on the first draw? (my answer - 3/10 x
1. 1 answer
2. asked by Laura
3. 1,773 views
a circuit consist of an inductance of 0.05H, a resistance of 20ohms , a capacitor of 100uF and an angle of 100cos200t. find (i)
1. 1 answer
2. asked by ashely
3. 1,738 views
Log8 4 + log16 2 x log 27 81= x solve for x
1. 1 answer
2. asked by John
3. 1,616 views
Answer in complete sentences.Te gusta más comer el desayuno o el almuerzo? ¿Por qué? My answer: Me gusta más comer en el
1. 2 answers
2. asked by Anonymous
3. 1,613 views
The windshield of a speeding car hits a hovering insect. Consider the time interval from just before the car hits the insect to
1. 1 answer
2. asked by marcos
3. 1,606 views
d^2y/dx^2+4dy/dx+4y=4cosx+3sinx
1. 1 answer
2. asked by ashely
3. 1,509 views
A kid fires water horizontally from a squirt gun held 1.6 above the ground. It hits another kid 2.1 away square in the back, at
1. 3 answers
2. asked by lala
3. 1,465 views
1.Does the appearance of the cave fish and minnow suggest common ancestry? Why2. Explain the evolutionary relationship between
1. 1 answer
2. asked by NSCC
3. 1,443 views
In black-and-white photography, a photon energy of about 4.00 x 10-19 J is needed to bringabout the changes in the silver
1. 1 answer
2. asked by hannah
3. 1,442 views
1.a) For the Function and point below , Find f’(a). b) Determine the equation of the line tangent to the graph of f at
1. 1 answer
2. asked by Tired
3. 1,425 views
1) In comparing the phase diagram for water with that of a solution of sugar in water, all of the following decrease excepta)
1. 2 answers
2. asked by Hannah
3. 1,405 views
Suppose all the people of the Earth go to the North Pole and, on a signal, all jump straight up. Estimate the recoil speed of
1. 1 answer
2. asked by marcos
3. 1,399 views
Log radical b/ a^2 is equivalent to1) 1/2 log b + 1/2 log a 2) l/2 log b- 2 log a 3) 2 log b - 1/2 log a 4) 1/2logb/2 log a
1. 1 answer
2. asked by matthew
3. 1,391 views
Two blocks of masses m1 = 4.00 kg and m2 = 3.00 kg are placed in contact with eachother on a frictionless horizontal surface. A
1. 1 answer
2. asked by lacrosse
3. 1,386 views
When two objects of unequal mass are hung vertically over a frictionless pulley ofnegligible mass, as shown below, the
1. 0 answers
2. asked by michael
3. 1,382 views
Show work to change the linear equation below to slope-intercept form and then, list the slope and y intercept coordinate for
1. 1 answer
2. asked by Tariq Glaster
3. 1,360 views
the first language arts skill that children learn is A) speaking B)reading C) writing D) listening
1. 3 answers
2. asked by de
3. 1,325 views
convert HCHO to CH3CHO
1. 1 answer
2. asked by swagata
3. 1,308 views
suppose a cell is placed in a large container of water with a very low solute concentration.what do you think will happen?
1. 2 answers
2. asked by kate
3. 1,260 views
The officejet printer can copy sues dissertation in 16 minutes. The laser printer can copy the same document in 22 minutes. If
1. 1 answer
2. asked by Lisa
3. 1,255 views
1.a) For the Function and point below , Find f’(a). b) Determine the equation of the line tangent to the graph of f at
1. 0 answers
2. asked by Tired
3. 1,252 views
Wheel A of radius ra = 13.9 cm is coupled by belt B to wheel C of radius rc = 34.3 cm. Wheel A increases its angular speed from
1. 4 answers
2. asked by Marc
3. 1,240 views
Find all integers b so that the trinomial 3x^2 +bx + 2 can be factored.
1. 1 answer
2. asked by Diana
3. 1,236 views
A woman with a mass of 56 kg runs at a speed of 8 m/s and jumps onto a giant 30 kg skateboard initially at rest. What is the
1. 1 answer
2. asked by brett
3. 1,228 views
The officejet printer can copy sues dissertation in 16 minutes. The laser printer can copy the same document in 22 minutes. If
1. 1 answer
2. asked by Lisa
3. 1,227 views
Worldwide quarterly sales of a brand of cell phones was approximatelyq = −p + 176 million phones when the wholesale price was
1. 0 answers
2. asked by Amie
3. 1,194 views
A line passes through (4,2) and is parallel to the graph of x= -3. What equation represents the line in slope-intercept form?It
1. 2 answers
2. asked by Dayana
3. 1,182 views
Find the derivative ofy = 3x+2/x+1
1. 3 answers
2. asked by Hank
3. 1,182 views
A vertical container with base area measuring 12 cm by 18 cm is being filled with identical pieces of candy, each with a volume
1. 1 answer
2. asked by brandon
3. 1,167 views
Why is it important that canada produce value added products?
1. 2 answers
2. asked by Sana
3. 1,147 views
If theta is an angle in standard position, state in what quadrants its terminal side can lie if theta is equal to -415 degrees?
1. 1 answer
2. asked by Rick
3. 1,108 views
mary purchaseda mattress set for 800$ she paid 44$ in taxes what was the sales taxe rate
1. 2 answers
2. asked by vash
3. 1,104 views
competitor companies that are U.S. GAAP publicly traded companies.
1. 0 answers
2. asked by Merrill
3. 1,078 views
1. Why are the muscles that make hair stand up vestigial?2. what are the probable functions of the muscles that makes hair stand
1. 0 answers
2. asked by NSCC
3. 1,059 views
List the elements of music.
1. 2 answers
2. asked by Sasha
3. 1,046 views
Verify this question1. Determine lim as x->3 (3x-8)/(4x-12), if it exists. (3(3)-8)/(4(3)-12) =1/0 Therefore it doesn't limit
1. 1 answer
2. asked by Matthew
3. 1,006 views
A telephone company's goal is to have no more than 4 monthly line failures on any 100 miles of line. The company currently
1. 1 answer
2. asked by k
3. 999 views
You measure your weight by stepping on a spring scale inside an elevator. If elevatoraccelerates either upward or downward, the
1. 0 answers
2. asked by michael
3. 980 views
I am preparing an adjusted trial balance and I have almost gotten my debits to equal my credits. I need to figure out how much
1. 0 answers
2. asked by Pumpernickel
3. 979 views
a circular disc rotates on a thin air film with a period of 0.3s. its moment of inertia about its axis of rotation is 0.06kgm^2.
1. 0 answers
2. asked by ashely
3. 975 views
If the magnitude of the electric field in air exceeds roughly 3 106 N/C, the air breaks down and a spark forms. For a two-disk
1. 1 answer
2. asked by james
3. 969 views
Hong goes running Monday, Wednesday, and Friday of each week. Each Monday he runs miles, each Wednesday he runs miles, and each
1. 1 answer
2. asked by mimi
3. 969 views
a) What is the frequency of a photon of UV radiation ( = 2.00 x 10^-7 m)? (b) Calculate the energy of a photon of UV radiation.(
1. 0 answers
2. asked by hannah
3. 963 views
1. Regulations governing the employer-employee relationship are based on agency law and failure of an employee/agent to act
1. 2 answers
2. asked by nicole
3. 959 views
Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random
1. 1 answer
2. asked by k
3. 955 views
an ice skater spins about a vertical axis at an angular speed of 15 rad/s when her arms are outstreched . she then quickly pulls
1. 1 answer
2. asked by ashely
3. 954 views
a bus is moving downhill at a slope of 5 degree . at the moment when the speed of the bus is 30km/h,the driver spots a deer 30m
1. 1 answer
2. asked by ash
3. 936 views
Two forces of equal magnitude act to 60 degrees. If their resultant has a magnitude of 30N, find the magnitude of the equal
1. 1 answer
2. asked by Ed
3. 928 views
A worker pushes horizontally on a large crate with a force of 312 N, and the crate is moved 6.5 m. How much work was done?
1. 1 answer
2. asked by Anonymous
3. 926 views
What is the antiderivative of the followring expression?x^(-1/2) sin(2x^(-3/2)) After trying to figure out this problem, I have
1. 5 answers
2. asked by Mishaka
3. 926 views
In a constant-pressure calorimeter, 60.0 mL of 0.330 M Ba(OH)2 was added to 60.0 mL of 0.660 M HCl. The reaction caused the
1. 1 answer
2. asked by Heather
3. 920 views
a plane is flying with a constant speed along a straight line at an angle 60degree with the horizontal. the weight(W) of the
1. 0 answers
2. asked by ash
3. 920 views
a box contains 20 fuses ,out of which ,5 are defective.if a sample of 3 fuses is chosen from the box at random without
1. 4 answers
2. asked by ashely
3. 913 views
a. What is the molecular weight of aspirin (C9H8O4)?180.1574 amu b. What is the mass of 0.00785 mol of aspirin? 1.41 g c. How
1. 1 answer
2. asked by krystal
3. 913 views
What does this mean? El tan Hermosillo question pienso en to todos Los dias
1. 1 answer
2. asked by keisha
3. 908 views
You have a fair die. The die has a 2 on two sides, a 4 on two sides and a 6 on two sides. Note: the only possible outcomes for
1. 1 answer
2. asked by Laura
3. 887 views
What argument does Aphra Behn make about her two loves in the passage: "How strongly does my passion flow, Divided equally
1. 1 answer
2. asked by Scooby10
3. 880 views
is cappuccino masculine or feminineis giorno masculine or feminine
1. 1 answer
2. asked by krystal
3. 877 views
Given log 3= x and log 5 =y Express radical 3/5 in terms of x and y.1) 1/2x-y 2) 1/2(x-y) 3) 1/2xy 4) 2(x-y)
1. 1 answer
2. asked by Kid
3. 850 views
4/5-2p/5=6/5Please help me solve this and show how you did it. Thanks
1. 1 answer
2. asked by Mike
3. 828 views
solve(4x^3y^3+1/x)dx+(3x^4y^2-1/y)dy=0
1. 1 answer
2. asked by ashely
3. 814 views
Find the equation of the tangent to the curve sin(x+y)=xy at the origin.
1. 2 answers
2. asked by ck
3. 788 views
xdy-ydx=sqrt(x^2-y^2)dx
1. 1 answer
2. asked by ashely
3. 782 views
I need help with (b): A small company with 5 employees wants to know some statistics about their employee's ages. They surveyed
1. 1 answer
2. asked by Donna
3. 775 views
Which aqueous solution below is expected to have the lowest freezing point? Assume 100% dissociation for ionic species.1)0.25m
1. 8 answers
2. asked by Hannah
3. 772 views
find the solution of the wave equation for a vibrating string of length (l)=10units with ends fixed .it is given that
1. 1 answer
2. asked by ashely
3. 767 views
i not know how to expand my thought on love. i now realize that love not be unconditional. this only exist in fantasy, but in
1. 2 answers
2. asked by Mohammad
3. 765 views
How do I solve this using substitution method?7x+9y=-38 -6x+y=50
1. 1 answer
2. asked by Edith
3. 761 views
when 7.50 grams of iodine (I2) is added to 48.7grams of carbon tetrachloride (CCl4), the iodine dissolves and a solution is
1. 1 answer
2. asked by Hannah
3. 754 views
I know I posted this question again but no one is really helping me. Can someone please help me as soon as possible.In a
1. 5 answers
2. asked by Akle
3. 753 views
The service of mechanic in fixing the radiator of his car.ist excluded or included gross domestic product and how?
1. 0 answers
2. asked by Tommy
3. 752 views
A .145kg baseball is thrown at 40 m/s (~89.5mph). What is the momentum of the baseball?
1. 2 answers
2. asked by brett
3. 742 views
How do you find the ratio of moles of oxygen to moles of tin?What would be the Empirical formula of tin oxide from the result of
1. 1 answer
2. asked by Jake
3. 735 views
Please check these answers thanks.1. The shadow of a vertical pole is 24.8 feet long when the angle of elevation of the sun is
1. 1 answer
2. asked by Missy
3. 734 views
Two blocks of masses m1 = 4.00 kg and m2 = 3.00 kg are placed in contact with eachother on a frictionless horizontal surface. A
1. 1 answer
2. asked by michael
3. 714 views

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