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Questions Asked on October 13, 2010

A laboratory procedure calls for making 400.0 mL of a 1.1 M NnO3 solution. What mass of NaNO3 (in g) is needed?
1. 5 answers
2. asked by Stacy
3. 8,917 views
A 50-N force acts on a 2-kg crate that starts from rest. When the force has been acting for 2 s the rate at which it is doing
1. 3 answers
2. asked by VitaX
3. 8,149 views
Camping equipment weighing 6000 N is pulled across a frozen lake by means of a horizontal rope. The coefficient of kinetic
1. 2 answers
2. asked by Spider
3. 7,471 views
A box of mass m with an initial velocity of v0 slides down a plane, inclined at theta with respect to the horizontal. The
1. 1 answer
2. asked by Laura
3. 4,679 views
1) The ideals of the Athenian State , Roman law, and the Mayflower Compact contributed most significantly to the growth of the
1. 9 answers
2. asked by Anonymous
3. 4,219 views
A space shuttle is launched from rest. It takes 8.00s to reach 165km/h , and at the end of the first 1.00 min its speed is
1. 3 answers
2. asked by V
3. 3,720 views
Please help!...Lakes that have been acidified by acid rain (HNO3 and H2SO4) can be neutralized by a process called liming, in
1. 2 answers
2. asked by Anonymous
3. 3,384 views
I have one problem I just can't figure out, A machine in an ice factory is capable of exerting 3.30 * 10^2 N of force to pull
1. 1 answer
2. asked by Zach
3. 3,290 views
You are piloting a small plane, and you want to reach an airport 450 km due south in 3.0 hours. A wind is blowing from the west
1. 1 answer
2. asked by Lucy
3. 2,998 views
Three consecutive even numbers have a sum between 84 and 96.a. Write an inequality to find the three numbers. Let n represent
1. 4 answers
2. asked by Emalee
3. 2,850 views
if 22.5 mL of 0.383 M HCl are required to completely neutralize 20.0 mL of KOH, what is the molarity of the KOH solution?
1. 4 answers
2. asked by lavonne
3. 2,663 views
point A(-1,-2) B(7,2) C(k,4) K is a constant. The vertices of ABC. Angle ABC is a right angle.Ive worked out the gradient of AB
1. 5 answers
2. asked by liam
3. 2,461 views
How many moles of KCL are contained in 114 mL of a 1.85 M KCL solution?
1. 4 answers
2. asked by Stacy
3. 2,417 views
explain why a graph showing the relationship between the amount of a particular element and the element's mass is a straight
1. 5 answers
2. asked by Donneil
3. 2,204 views
Marion has 4 cards, Jake has 4 cards, and Sam has 3 cards. Can you write a multiplication sentence to find how many cards they
1. 3 answers
2. asked by Dayviana
3. 2,010 views
A duck has a mass of 2.9 kg. As the duck paddles, a force of 0.07 N acts on it in a direction due east. In addition, the current
1. 2 answers
2. asked by Sean
3. 1,959 views
How many grams of water are produced from the reaction of 1.26 mol of oxygen according to this equation? 2H2(g) + O2(g) �¨
1. 2 answers
2. asked by Anonymous
3. 1,764 views
A box weighing 600 N is pushed along a horizontal floor at a constant velocity with a force of 250 N parallel to the floor. What
1. 1 answer
2. asked by Kelsey
3. 1,722 views
Lead is a soft, dense metal with a specific heat of 0.028 kcal/kg·C°, a melting point of 328.0°C, and a heat of fusion of 5.5
1. 2 answers
2. asked by Anonymous
3. 1,616 views
The number of defects in a random sample of 200 parts produced by a machine is binomially distributed with p = .03. Based on
1. 2 answers
2. asked by joe
3. 1,579 views
Which of the following is eligible to run for the presidency: a 45-year old banker who was born and raised in Wyoming or a
1. 4 answers
2. asked by nora(:
3. 1,533 views
Sand pouring from a chute forms a conical pile whose height is always equal to the diameter. If the height increases at a
1. 1 answer
2. asked by Anonymous
3. 1,509 views
A panel of four light switches can be set in 2^4 ways. A panel of lfive light switches can be set in twice this many ways. In
1. 2 answers
2. asked by Johnston
3. 1,474 views
HCN is mixed with water. Which is the best description of what you would expect to find in the solution?
1. 1 answer
2. asked by Kami
3. 1,467 views
30 people and they have to be fed. if hot dog buns come 12 to a pack and hot dogs come 8 to a pack . how many packs areneeded to
1. 2 answers
2. asked by Anonymous
3. 1,460 views
One box holds 16 crayons. Another box holds 24 crayons. Write a sentence using words that compare the crayons in the two boxes.
1. 6 answers
2. asked by kara
3. 1,436 views
an aeroplane is flying in a horizontal circle with airspeed of 480 km/h. The wings of the plane are tilted at 40 degrees to the
1. 2 answers
2. asked by mani
3. 1,426 views
When 25.0 g of ethanol vapor condenses, 23.6 kJ of heat is released. How much heat is required in kJ to vaporize 254 g of
1. 1 answer
2. asked by Jordin
3. 1,407 views
a 60kg man is on a steadily rotating Ferris wheel. the man is standing on a bathroom scale and the scale reads 45kg at the top
1. 2 answers
2. asked by mani
3. 1,375 views
Given the graph of f(x) find the graph of 2 f( -3x - 2) - 4Is this correct??? First, compress the graph horizontally by 3.
1. 0 answers
2. asked by Blake
3. 1,365 views
A 5.00 gram sample of aluminum pellets (specific heat capacity = 0.89 J/g*C) and a 10.00 gram sample of iron pellets (specific
1. 2 answers
2. asked by Anonymous
3. 1,363 views
Is the multiplicative inverse for 12/13 13/12?
1. 2 answers
2. asked by bianca
3. 1,320 views
(1 pt) A new software company wants to start selling DVDs with theirproduct. The manager notices that when the price for a DVD
1. 0 answers
2. asked by mae
3. 1,307 views
When 1.11 g of vanadium is dissolved in HCl, 0.066 g of H2 is produced. Calculate the value of x for the compound VClx produced
1. 1 answer
2. asked by Doris
3. 1,291 views
A pair of horizontal plates are situated in a vacuum and separated by a distance of 1.8cm. What potential energy would need to
1. 1 answer
2. asked by Anonymous
3. 1,290 views
A 0.49 kg ladle sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (k = 640 N/m) whose
1. 2 answers
2. asked by VitaX
3. 1,288 views
A ball is thrown straight upward and returns to the thrower's hand after 3.40 s in the air. A second ball is thrown at an angle
1. 1 answer
2. asked by Sammy
3. 1,279 views
I am trying to write a brief paragraph using five adverbs and five adjectives in describing my experience with credit and credit
1. 3 answers
2. asked by Ann
3. 1,253 views
A 4.5 g piece of magnesium ribbon undergoes combustion in air to produce a mixture of two ionic solids, MgO and Mg3N2. Water is
1. 3 answers
2. asked by Doris
3. 1,246 views
list the trends in physical properties of:A. the group 1 metals B. the halogens. what do they mean by trends?
1. 1 answer
2. asked by chelsea
3. 1,239 views
Reduce each rational expression to lowest terms:3x^2-12y^2 over x^2+4xy+4y^2
1. 2 answers
2. asked by Jonathon
3. 1,233 views
Are the following sentences semantically / gramatically correct?1)Alert the supervisor to any defective material found. 2)Some
1. 4 answers
2. asked by annie
3. 1,198 views
use divisions to convert the base ten numeral 555 to base six
1. 1 answer
2. asked by kari
3. 1,185 views
The specific heat of gold is 0.031 calories/gram°C and the specific heat of silver is 0.057 calories/gram°C. If equal amounts
1. 2 answers
2. asked by Katy
3. 1,178 views
Write a formula for the compound that forms from barium and the following polyatomic ion.(a) hydroxide (b) carbonate (c)
1. 2 answers
2. asked by Hannah
3. 1,173 views
I have been solving system of equations graphically and using addition and subtraction and now I'm being asked: Give any linear
1. 1 answer
2. asked by Sandi
3. 1,152 views
Calculate the value of the equilibrium constant, Kp , for the following reaction at 298.0 Kelvin.(Use the reaction free energy
1. 0 answers
2. asked by lizz
3. 1,151 views
Calculate the value of the equilibrium constant, Kp , for the following reaction at 298.0 Kelvin.(Use the reaction free energy
1. 1 answer
2. asked by lizz
3. 1,142 views
net ionic equations of nitric acid with CO3 2- and with PO4 3-.
1. 2 answers
2. asked by anon
3. 1,121 views
The Mayan Empire, which ruled Central America for centuries, had two calendars. One calendar was the sameas ours, 365 days long
1. 1 answer
2. asked by james
3. 1,089 views
Of the 43 U.S. presidents,15 were elected to serve two terms.What fraction of the U.S. president,in simplest form,was elected to
1. 1 answer
2. asked by Bri
3. 1,087 views
Use point-slope form to write the equation of the line with the given properties. Write the equation in standard form.m is
1. 1 answer
2. asked by erin
3. 1,083 views
For my assignment I have to find an advertisement, analyze it, and write my interpretation of it. I've done this, but I'm coming
1. 5 answers
2. asked by y912f
3. 1,056 views
the alkali metals are a group of oxidation metals that decrease in melting point down the group. Halogens are non-metals that
1. 3 answers
2. asked by chelsea
3. 1,046 views
A daredevil on a motorcycle leaves the end of a ramp with a speed of 33.0 m/s as in the figure below. If his speed is 31.3 m/s
1. 1 answer
2. asked by Abdullah
3. 1,042 views
The list of 16 topics was given to students to prepare forexam. 16 students prepared themselves for all 16 topics, 6 students
1. 0 answers
2. asked by JHONY
3. 1,035 views
Make 10 by adding 8+5
1. 9 answers
2. asked by Marie
3. 1,005 views
I need help making an MLA works cited. i have 3 sources... they are all newspaper articles that i found online. someone please
1. 0 answers
2. asked by J
3. 990 views
I have two questions about translation. If asked this question, how do I answer it. Cual es tu numero de telefono? I know it is
1. 5 answers
2. asked by Megan
3. 986 views
Suppose you drop a ball from the top of a five-story building onto the sidewalk 70 feet below.a. What is the initial velocity of
1. 0 answers
2. asked by Sally
3. 983 views
calculate the molarity of a solution in which 22.6g C6H12O6 is dissolved in 1.08L of solution
1. 4 answers
2. asked by Stacy
3. 975 views
A banks total assets equal 1 billion. It's Liabilities equal 1 billion. Transaction deposits equal 500 million, loans equal 700
1. 0 answers
2. asked by Grace
3. 961 views
Advertisers have been using the principles of classical conditioning for years in attempts to associate pleasant feelings with
1. 2 answers
2. asked by jane
3. 952 views
Fe(S)+ 2 HCl(ag) --> FeCL2(ag)+ H2(gWhat mass of H2 (g) is produced from the reaction of 5.2 Fe(s) with excess hydrochloric
1. 2 answers
2. asked by Nate
3. 947 views
what are the errors in the double-indicator titration of (sodium carbonate and sodium hydrogen carbonate) against hydrochloric
1. 1 answer
2. asked by kay
3. 946 views
1) Balance this redox reaction using the oxidation-number method. Zn + O2 + HCl ® ZnCl2 + H2O2) Balance this redox reaction
1. 1 answer
2. asked by Sara
3. 930 views
Evaluate the expression using mental math. Justify each of your steps.1) 4(19)(-25) 2) 17+32+23
1. 6 answers
2. asked by Janae
3. 924 views
A 2.25 g sample of hydrazine, N2H4, is burned in a bomb calorimeter that contains 6,402.45 g of H2O, and the temperature
1. 1 answer
2. asked by Jordin
3. 923 views
Compare and contrast the views of the Federalists and the Anti-Federalists on the issues of representation, governmental power,
1. 1 answer
2. asked by Mone
3. 910 views
which theory of crime do you think best explains the prevalence of crime in the United States; Explain your answer by giving an
1. 5 answers
2. asked by Brandon
3. 903 views
how to make an ancient egyptian tomb diorama
1. 1 answer
2. asked by sarah
3. 897 views
Major League Baseball is divided into the National League and the American League. The World Series championship is a
1. 1 answer
2. asked by pow
3. 892 views
Durring the late 1970's prices quoted in terms of the Israeli currency, the shekel, rose so fast that the grocery stores listed
1. 1 answer
2. asked by Shane
3. 883 views
(From A Separate Peace)2. Unlike Finny, Gene tends to be a. spontaneous b. contradictory c. envious d. rebellious C? 3. For
1. 0 answers
2. asked by mysterychicken
3. 880 views
what to do if order-taking system becomes obsolete?
1. 1 answer
2. asked by terri
3. 878 views
7. Which of the following was an advantage the North had over the South?a. more experienced generals b. military support from
1. 6 answers
2. asked by mysterychicken
3. 868 views
Calculate the following:a) Find g(f(1)) b) Find lim x-> 1+ g(f(x)) c) Find f(g(0)) d) Find lim x->0- f(g(x)) f(x)= 1-x, x<1 1,
1. 4 answers
2. asked by CMM
3. 856 views
Write ordered pair (c,F) that shows the Celcius equivelent of 86 degrees F.
1. 1 answer
2. asked by john
3. 851 views
What is the final temperature of a 52 gram glass of water at 2.0 C if it absorbs 3.0 J heat?
1. 1 answer
2. asked by k
3. 850 views
The unbalanced equation for the combustion of ethanol is as follows:C2H5OH(l) + O2(g) �¨ CO2(g) + H2O(g) How much heat, in kJ,
1. 1 answer
2. asked by Jordin
3. 847 views
If 20.0mL of an unknown acid was titrated with 2.0 M KOH and 60.0 mL KOH was used what is the molarity of the unknown acid?
1. 1 answer
2. asked by lavonne
3. 845 views
Suppose the water near the top of Niagara Falls has a horizontal speed of 2.7 m/s just before it cascades over the edge of the
1. 1 answer
2. asked by megan
3. 845 views
which one of the following steps can shield against discovery of an incident report?a. conducting a peer review b. following
1. 1 answer
2. asked by allied
3. 835 views
What is the angular velocity in radian per second of a satellite that has an orbital velocity of 9000 m.s^-1, orbiting at a
1. 1 answer
2. asked by ma
3. 824 views
Wheat is poured through a chute at the rate of and falls in a conical pile whose bottom radius is always half the altitude. How
1. 0 answers
2. asked by Anonymous
3. 811 views
I have two equations:#1) Tcos(theta)- 6.86=0 #2) Tsin(theta) = mass X acceleration I know that my acceleration is velociy
1. 1 answer
2. asked by Taylor
3. 784 views
Copper(II) iodate precipitates from iodate solution. The formula of the precipitate is CU(IO3)2. A saturated solution of this
1. 1 answer
2. asked by Sammie
3. 775 views
If disclosure of PHI is permitted under HIPAa, what is disclosed?a. all information the particular doctor has on that patient b.
1. 0 answers
2. asked by Anonymous
3. 760 views
Amy earns $0.16 per unit for the work she does. For all units she produces in a week over 1,000, she receives $0.26. What were
1. 2 answers
2. asked by robert
3. 754 views
Who invented the modern day alphabet?Phoenicans Thanks Mrs. Sue
1. 1 answer
2. asked by klk
3. 743 views
A 1260.4 kg car is traveling at 21.5 m/s whenthe driver takes his foot off the gas pedal. It takes 4 s for the car to slow down
1. 2 answers
2. asked by kayla
3. 738 views
how do you write 12 1/8, 13/25, and 8 9/25 as a decimal?
1. 3 answers
2. asked by yvette taylor
3. 738 views
Your best taxable investment opportunity has an EAR of 4%. You best tax free investment opportunity has an EAR of 3%. If your
1. 0 answers
2. asked by Sandy
3. 733 views
When an object is moved from sea level to the top of a really high mountain, what, if anything changes about the weight of the
1. 1 answer
2. asked by Juliet
3. 729 views
Posted by Megan on Wednesday, October 13, 2010 at 5:08pm. I just reposted this from the earlier post-I have two questions about
1. 1 answer
2. asked by Megan
3. 728 views
A 1.85-g sample of a mixture of KCl and MgCl(subscript 2) is treated with excess AgNO(subscript 3) (aq). If 3.82 grams of
1. 1 answer
2. asked by Jon
3. 727 views
Can someone tell me if my answers are correct?A .145 kg block of wood hangs from the ceiling by a string. A bullet with a mass
1. 1 answer
2. asked by Anonymous
3. 726 views
A car traveling at 90 km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 0.72
1. 1 answer
2. asked by sam
3. 722 views
Use the distributive property to write an equivalent variable expression.-5(4j-1)
1. 3 answers
2. asked by Shawn
3. 711 views
If 20.0g acetylene is allowed to completeyl react with o@ how many g of O2 are reacted? 2C2H2 +5O2----4CO2 +2H20
1. 1 answer
2. asked by Beth
3. 707 views

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