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Questions Asked on March 23, 2011

A penny has a mass of 2.5 g and the moon has a mass of 7.35*10^22kg. What is the mass of 1 mole of pennies? How many moles of
1. 4 answers
2. asked by Mal
3. 4,887 views
The average cost for a vacation is $1,050. If a family borrows money for the vacation at an interest rate of 11.9% for 6
1. 5 answers
2. asked by nessa
3. 4,492 views
How do you separate a mixture of salt,pepper, and iron filings
1. 8 answers
2. asked by Emily
3. 3,727 views
write a chemical equation for an atom losing a third electron. would the ionization energy for this reaction be larger or
1. 3 answers
2. asked by celina
3. 3,617 views
A tower casts a shadow of 64 feet. A 6-foot tall pole near the tower casta a shadow 8 feet long. How tall is the tower.
1. 2 answers
2. asked by Marion
3. 3,302 views
"A kite is flying 100ft off the ground, and its line is pulled taut. The angle of elevation of the kite is 43 degrees. Find the
1. 1 answer
2. asked by bill
3. 3,005 views
2AgNO3 + BaCl2 ==> 2AgCl + Ba(NO3)2How many grams of silver chloride are produced from 5 g of silver nitrate reacting with an
1. 2 answers
2. asked by Brit
3. 2,920 views
Give the correct form of the appropriate verb, saber or conocer, which would be used in writing the followingsentences in
1. 6 answers
2. asked by anon
3. 2,914 views
Find the limitlim as x approaches (pi/2) e^(tanx) I have the answer to be zero: t = tanx lim as t approaches negative infi e^t =
1. 1 answer
2. asked by NY-Calc
3. 2,750 views
A population doubles every 30 years. Assuming exponential growth find the following:annual growth rate: % continuous growth
1. 1 answer
2. asked by josh
3. 2,735 views
If I use 0.524g of Mg to react with 60.0mL of 1.0M H+. The density of H+ is 1.00 g/mL, and the specific heat capacity equals
1. 1 answer
2. asked by emily
3. 2,677 views
Mrs.Simpson buys loaves of bread and quarts of milk each week at prices of $1 and 80 cents, respectively. At present she is
1. 1 answer
2. asked by Joanne
3. 2,596 views
What is the height of a triangle whose base is 9.4 centimeters and whose area is 132.54 square centimeters?
1. 1 answer
2. asked by jill
3. 2,538 views
The loudness of sound can be measured in decibels. Do you think loudness is a vector or not? Can you explain why or why not.
1. 6 answers
2. asked by Kallie
3. 2,517 views
Find the equation of the parabola with axis parallel to the x-axis and passing through (3/2,1),(5,0) and (-1,2).
1. 1 answer
2. asked by AJ
3. 2,341 views
Milan's gas tank is 1/5 full. After he buys 6 gallons of gas, it is 7/10 full. How many gallons can Milan's tank hold?
1. 1 answer
2. asked by Jen
3. 2,287 views
An excess of aqueous AgNO3 reacts with24.5 mL of 5 M K2CrO4(aq) to form a precipitate. What is the precipitate? Answer: Ag2CrO4
1. 1 answer
2. asked by Mary
3. 2,264 views
Question 1 (Multiple Choice Worth 1 points)Around the turn of the century, African Americans moving to cities in the North
1. 7 answers
2. asked by Andrew
3. 2,247 views
The shortest side of a polygon of area 196 sq. in. is 4 in. long. Find the area of a similar polygon whose shortest side is 8
1. 1 answer
2. asked by alex
3. 2,085 views
Write the expression as a trigonometric function of one number.(cos 20 degrees)(cos 70 degrees)+(sin 20 degrees)(sin 70 degrees)
1. 10 answers
2. asked by Kayla
3. 2,075 views
How many calories are needed to change 1 gram of 100 degrees Celsius boiling water to 100 degrees Celsius steam?
1. 1 answer
2. asked by Aria
3. 1,953 views
A penny has a mass of 2.5 g and the moon has a mass of 7.35*10^22kg. What is the mass of 1 mole of pennies? How many moles of
1. 2 answers
2. asked by Mal
3. 1,897 views
Identify the salt that is produced fromthe acid-base neutralization reaction be- tween sodium hydroxide and hydrocyanic acid
1. 2 answers
2. asked by Holly
3. 1,780 views
the numbers M and N are different numbers selected from the first 25 counting numbers: If M is larger than N, what is the
1. 4 answers
2. asked by Tiffany
3. 1,769 views
2.00 L of NO(g) at 1.00 atm and 25°C is reacted with 1.00 L of H2(g) at 2.00 atm and 25°C according to the following
1. 1 answer
2. asked by josh
3. 1,767 views
Quicklime (CaO) can be prepared by roastinglimestone (CaCO3) according to the reaction CaCO3(s) � −!CaO(s) + CO2(g) . When 2.6
1. 2 answers
2. asked by Jack
3. 1,735 views
Find the equation of the parabola whose axis is horizontal, vertex on the y-axis and which passes through (2,4) and (8,-2).
1. 1 answer
2. asked by AJ
3. 1,734 views
A sample of 6.41 grams of NaOH is dissolved into 675 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then
1. 4 answers
2. asked by Scott
3. 1,689 views
When sodium chloride reacts with silver nitrate, silver chloride precipitates. What mass of AgCl is produced from 192 g of
1. 1 answer
2. asked by Anonymous
3. 1,659 views
A frictionless roller coaster is given an initial velocity of v0 at height h = 24 m . The radius of curvature of the track at
1. 2 answers
2. asked by john
3. 1,582 views
a diver springs from the edge of a cliff 80 ft above the ocean with an initial upward velocity of 8 ft/ s. How long will it take
1. 1 answer
2. asked by Anonymous
3. 1,389 views
calculate the enthalpy of formation, per mole, of sucrose, C12H2211O(s). C12H22O11(s) + 12O2(g) --> 12CO2(g) +11H2O(l)deltaH=-5.
1. 0 answers
2. asked by Stacy
3. 1,336 views
WHAT ECONOMIC, SOCIAL, and POLITICAL FORCES HAVE MADE EMPLOYEE TRAINING EVEN MORE IMPORTANT TODAY THAN IT HAS BEEN IN THE PAST.
1. 5 answers
2. asked by Anonymous
3. 1,313 views
24. Hydrogen peroxide can decompose to water and oxygen according to:2H2O2 (l) + -----------> 2H2O (l) + O2 (g) ^ H = -196 kJ
1. 1 answer
2. asked by janet
3. 1,271 views
Some ethylene glycol, HOCH2CH2OH, is added to your car's cooling system along with 4.4 kg of water. If the freezing point of the
1. 0 answers
2. asked by Mark
3. 1,268 views
One pump can empty a pool in 5 days, whereas a second pump can empty the pool in 7 days. How long will it take the 2 pumps,
1. 2 answers
2. asked by Jaison
3. 1,231 views
briefly explain why excess HCl and NaOH solutions must be collected for treatment before disposal, but the titration solution
1. 1 answer
2. asked by Anonymous
3. 1,230 views
what is the angle between the first order and the second order bright fringes for a yellow light with a wave length of 605 nm,
1. 2 answers
2. asked by yeiri
3. 1,223 views
Does anyone know how to create a timeline tracking the major themes/paradigm shifts in American History.I am not sure what the
1. 2 answers
2. asked by Tammy
3. 1,206 views
The evolution of the socio-political milieu during the colonial period, including Protestant Christianity's impact on colonial
1. 4 answers
2. asked by Tammy
3. 1,201 views
Find the measure of the central angle, in radians, given the area of the sector as22.6 cm2 and a radius equal to 3.7 cm. Round
1. 1 answer
2. asked by Kim
3. 1,194 views
Aluminum has a specific heat capacity of 0.903J/g degree celsius. What mass of aluminum in g would require 500j of heat to raise
1. 1 answer
2. asked by mary
3. 1,173 views
Can you help me with these sentences.Review the following sentences. Some of them are correct, whereas others contain an error
1. 8 answers
2. asked by Lacey
3. 1,170 views
Need help with Transitive and Intransitive verbs.1. It is related to wheat, oats, and barley. 2. Their size might surpise you.
1. 4 answers
2. asked by ann
3. 1,161 views
A. consider the finite arithmetic series 10+13+16+...+31. how many terms are in it? Explain.B. evaluate the series
1. 3 answers
2. asked by max
3. 1,158 views
Using the following data, compute net salessales discounts 50,000 Accounts receivable, ending 125,000 Gross Sales 2,500,000
1. 0 answers
2. asked by Kenny
3. 1,135 views
There are 100 patients in a hospital with a certain disease. Of these, 10 are selected to undergo a drugtreatment that increases
1. 1 answer
2. asked by kim
3. 1,132 views
what significance do the lions on the beach have for the old man, from ernest hemingway the old man and the sea?
1. 1 answer
2. asked by cc
3. 1,126 views
I took some time to work out your rather "nasty" Calculus question.Take a look at it and see if it matches your expected result.
1. 0 answers
2. asked by Reiny
3. 1,125 views
what is the area of circle with the diameter of 15 feet, rounded to the nearest whole number?
1. 3 answers
2. asked by black mamba
3. 1,115 views
This is not a "let's gather opinions" website. If you have a real homework question (and don't expect others to do your thinking
1. 0 answers
2. asked by Writeacher
3. 1,113 views
A potential difference of 12 V produces acurrent of 0.90 A in a piece of copper wire. What is the resistance of the wire?
1. 3 answers
2. asked by maria
3. 1,112 views
would a screen be useful for separating a mixture of gravel and diatomaceous-earth powder?
1. 6 answers
2. asked by ralph
3. 1,107 views
A research lab is planning to explore theNorth Pole. Ten members of the lab each have a dog team. There are 56 dogs in all. If
1. 1 answer
2. asked by ASAP PLEASE
3. 1,105 views
I have to compare and constrast the funeral orations of Mark Antony and Marcus Brutus. What I need is a thesis statement for
1. 1 answer
2. asked by Brett
3. 1,075 views
NF3 and PF5 are stable molecules. Write the electron-dot formulas for these molecules. On the basis of structural and bonding
1. 0 answers
2. asked by Tyler
3. 1,054 views
The most prominent advocate of "Negro nationalism" during the early twentieth century wwasA. Claude McKay B. Alice Paul C. Zora
1. 3 answers
2. asked by ashley --- HELP PLEASEE!!!
3. 1,053 views
I've just got a couple questions on the book, what are the two parts of the'' Divine Comedy?''I've got Cantos, but I still need
1. 5 answers
2. asked by Allyson
3. 1,046 views
how does the first ten mins of the film remember the titans capture the audiences attention?
1. 1 answer
2. asked by jenny
3. 1,029 views
The Ku Klux Klan of the postwar period differed from its original Reconstruction-era incarnation in all of the following ways
1. 7 answers
2. asked by ashley --- HELP PLEASEE!!!
3. 1,003 views
A geologist at point A measures the distance and angle of elevation to two columns of the Glen Rose formation in Texas. If the
1. 0 answers
2. asked by Anonymous
3. 999 views
Errors in Paragraph 2 in Swimming Strokes by Lee Carroll are and brush for subject-verb agreement, right-arm pull, left-arm
1. 1 answer
2. asked by katelyn
3. 998 views
A certain roller coaster has a circular, vertical loop of radius 10 meters, such that at its top the riders are upside down. How
1. 0 answers
2. asked by peter
3. 996 views
Assignment: Chapter 5 Programming Problems· Complete Programming Problems 1 and 2. · Provide the analysis, pseudocode and test
1. 7 answers
2. asked by kevin
3. 992 views
A couple more questions on Transitive and Intransitive verbs.1. Zoo keepers harvest bamboo for pandas. 2. Asian farmers live in
1. 1 answer
2. asked by ann
3. 989 views
Use the function to answer the question.h(x) = 4|x| 3 What is the value of h(6)? (Points : 4) 27 21 21 27
1. 0 answers
2. asked by jason
3. 986 views
Realism differs from Romanticism in that realism:A. focuses on negative and Romanticism focuses on positive B. portrays life as
1. 2 answers
2. asked by ant
3. 958 views
24. Hydrogen peroxide can decompose to water and oxygen according to:2H2O2 (l) + -----------> 2H2O(l)+ O2 (g) ^ H = -196 kJ What
1. 0 answers
2. asked by janet
3. 957 views
what is the length of any diagonal of a regular pentagon with a side of 20mm ?
1. 2 answers
2. asked by Katie
3. 955 views
Determine the maximum g of Ba3(PO4)2 that can be formed from your mass of Na3PO4 . 12H2O
1. 1 answer
2. asked by Nina
3. 950 views
A research manager at Coca-Cola claims that the true proportion, p, of cola drinkers that preferCoca-Cola over Pepsi is greater
1. 1 answer
2. asked by Adam
3. 949 views
Data shows that 88% of the people in a certain population are right-handed. A group of 7 people from this population are
1. 1 answer
2. asked by Anonymous
3. 945 views
I need points for making a 13ft.x 18ft eliptical
1. 0 answers
2. asked by Steve
3. 944 views
Suppose you have an after school baby sitting service. You charge a flat fee of $10 per week plus $3 per hour. The equation y =
1. 2 answers
2. asked by Bill Bob
3. 942 views
Which of the following topics would lend itself only to a formal style of writing?A. Why Living in the Country Is Better Than
1. 4 answers
2. asked by justine
3. 941 views
Can you please check my answers.1. A lyrical movement or piece for solo voice with instrumental accompaniment is called a/an A.
1. 4 answers
2. asked by Rachel
3. 940 views
Your client has asked you to prepare a report in which you address the following questions: Is the CEO trying to lead or manage
1. 0 answers
2. asked by Shelia
3. 932 views
If a 4th grade with 140 students has 3 boys for every 4 girls how many are girls? how many are boys?
1. 4 answers
2. asked by lovecaandy
3. 928 views
a 650 newton crate rests on the floor. how much work is required to move it at a constant speed, 3 meters against a friction
1. 1 answer
2. asked by melanie
3. 923 views
What is the percent by mass of NaHCO3 in a solution containing 60 g of NaHCO3 dissolved in 500 mL of H2O
1. 2 answers
2. asked by brooke
3. 919 views
Conjugate the following irregular verbs in the simple present tense (Indicative).?>> are my answers correct. tener (to have) yo
1. 2 answers
2. asked by anon
3. 908 views
A 33 cm-tall, 6 cm-diameter plastic tube has a sealed bottom. 266 g of lead pellets are poured into the bottom of the tube,
1. 0 answers
2. asked by Alexia
3. 905 views
A clothes dryer is spinning at 75 rpm. A student opens its door and it comes to rest after rotating through four revolutions.
1. 2 answers
2. asked by need help as soon as possible
3. 897 views
A ball is attached to one end of a wire, the other end being fastened to the ceiling. The wire is held horizontal, and the ball
1. 0 answers
2. asked by Jacob
3. 895 views
How would you compute changes in Microsoft’s volume of output from one year to the next? How would price changes affect your
1. 0 answers
2. asked by sue
3. 890 views
Hello, can someone please help me? I'm stuck on a question:I'm doing an analysis of the absorbance of FeSCN2+ at it's max
1. 2 answers
2. asked by mary
3. 889 views
Carbohydrates provide organisms with ..... and .....?
1. 1 answer
2. asked by Ally
3. 885 views
In the reactionCa(H2O)+2 6 + H2O ! Ca(H2O)5(OH)+ + H3O+ the calcium compound on the left acts accord- ing to the Bronsted-Lowry
1. 2 answers
2. asked by Anonymous
3. 880 views
Is [PF5Cl]- polar?
1. 1 answer
2. asked by cassandra
3. 879 views
Match the following organs with one of its functions.1. Oral cavity ______ a. stores bile 2. Pharynx ______ b. begins mechanical
1. 0 answers
2. asked by Danny
3. 869 views
Use mathematical induction to prove the truth of each of the following assertions for all n ≥1.5^2n – 2^5n is divisible by 7
1. 1 answer
2. asked by Francesca
3. 866 views
So in paragraph 2 in Swimming Strokes by Lee Carroll there is only one error in pronoun-antecedent agreement that begins with To
1. 2 answers
2. asked by katelyn
3. 865 views
Phosphorous trichloride (PCl3) is producedfrom the reaction of white phosphorous (P4) and chlorine: P4(s) + 6Cl2(g) ! 4 PCl3(g)
1. 0 answers
2. asked by Jonathan
3. 860 views
Lactobacillus species ferment glucose, as demonstratedby the snyder test. What other metabolic functions might they perform
1. 1 answer
2. asked by MaryAnne
3. 859 views
summarize the major similarities and differences between the forms of drama, poetry, and the short story. Demonstrate your ideas
1. 2 answers
2. asked by jb
3. 859 views
A bullet is fired straight up from a gun with amuzzle velocity of 170 m/s. Neglecting air resistance, what will be its
1. 1 answer
2. asked by maria
3. 858 views
When 2.6 ×103 g of CaCO3 are heated, theactual yield of CaO is 1.06 ×103 g. What is the percent yield? Answer in units of %.
1. 1 answer
2. asked by Jack
3. 854 views
In paragraph 1 in Swimming strokes I found 2 errors in subject-verb agreement, 1 error in parallelism, and 0 errors in
1. 1 answer
2. asked by katelyn
3. 851 views
2NaN3(s) −> 2Na(s) + 3N2(g) .If 0.65 mol of NaN3 reacts, what mass of nitrogen would result? Answer in units of g. Step by
1. 0 answers
2. asked by Harry
3. 845 views
It is estimated that an annual advertising revenue received by a certain newspaper will be R(x)=0.5x^2+3x+160 thousand dollars
1. 2 answers
2. asked by chelsea
3. 844 views

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