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2011
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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
4 answers
asked by
Mal
4,930 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
5 answers
asked by
nessa
4,533 views
How do you separate a mixture of salt,pepper, and iron filings
8 answers
asked by
Emily
3,755 views
write a chemical equation for an atom losing a third electron. would the ionization energy for this reaction be larger or
3 answers
asked by
celina
3,660 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.
2 answers
asked by
Marion
3,339 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 answer
asked by
bill
3,050 views
2AgNO3 + BaCl2 ==> 2AgCl + Ba(NO3)2
How many grams of silver chloride are produced from 5 g of silver nitrate reacting with an
2 answers
asked by
Brit
2,952 views
Give the correct form of the appropriate verb, saber or conocer, which would be used in writing the following
sentences in
6 answers
asked by
anon
2,941 views
Find the limit
lim 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 answer
asked by
NY-Calc
2,784 views
A population doubles every 30 years. Assuming exponential growth find the following:
annual growth rate: % continuous growth
1 answer
asked by
josh
2,769 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 answer
asked by
emily
2,701 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 answer
asked by
Joanne
2,625 views
What is the height of a triangle whose base is 9.4 centimeters and whose area is 132.54 square centimeters?
1 answer
asked by
jill
2,562 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.
6 answers
asked by
Kallie
2,552 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 answer
asked by
AJ
2,363 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 answer
asked by
Jen
2,316 views
An excess of aqueous AgNO3 reacts with
24.5 mL of 5 M K2CrO4(aq) to form a precipitate. What is the precipitate? Answer: Ag2CrO4
1 answer
asked by
Mary
2,296 views
Question 1 (Multiple Choice Worth 1 points)
Around the turn of the century, African Americans moving to cities in the North
7 answers
asked by
Andrew
2,268 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 answer
asked by
alex
2,111 views
Write the expression as a trigonometric function of one number.
(cos 20 degrees)(cos 70 degrees)+(sin 20 degrees)(sin 70 degrees)
10 answers
asked by
Kayla
2,109 views
How many calories are needed to change 1 gram of 100 degrees Celsius boiling water to 100 degrees Celsius steam?
1 answer
asked by
Aria
1,973 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
2 answers
asked by
Mal
1,930 views
Identify the salt that is produced from
the acid-base neutralization reaction be- tween sodium hydroxide and hydrocyanic acid
2 answers
asked by
Holly
1,814 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 answer
asked by
josh
1,792 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
4 answers
asked by
Tiffany
1,789 views
Quicklime (CaO) can be prepared by roasting
limestone (CaCO3) according to the reaction CaCO3(s) � −!CaO(s) + CO2(g) . When 2.6
2 answers
asked by
Jack
1,770 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 answer
asked by
AJ
1,754 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
4 answers
asked by
Scott
1,721 views
When sodium chloride reacts with silver nitrate, silver chloride precipitates. What mass of AgCl is produced from 192 g of
1 answer
asked by
Anonymous
1,692 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
2 answers
asked by
john
1,621 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 answer
asked by
Anonymous
1,413 views
calculate the enthalpy of formation, per mole, of sucrose, C12H2211O(s). C12H22O11(s) + 12O2(g) --> 12CO2(g) +11H2O(l)
deltaH=-5.
0 answers
asked by
Stacy
1,366 views
WHAT ECONOMIC, SOCIAL, and POLITICAL FORCES HAVE MADE EMPLOYEE TRAINING EVEN MORE IMPORTANT TODAY THAN IT HAS BEEN IN THE PAST.
5 answers
asked by
Anonymous
1,344 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
0 answers
asked by
Mark
1,310 views
24. Hydrogen peroxide can decompose to water and oxygen according to:
2H2O2 (l) + -----------> 2H2O (l) + O2 (g) ^ H = -196 kJ
1 answer
asked by
janet
1,300 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,
2 answers
asked by
Jaison
1,270 views
briefly explain why excess HCl and NaOH solutions must be collected for treatment before disposal, but the titration solution
1 answer
asked by
Anonymous
1,262 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,
2 answers
asked by
yeiri
1,258 views
Does anyone know how to create a timeline tracking the major themes/paradigm shifts in American History.
I am not sure what the
2 answers
asked by
Tammy
1,241 views
The evolution of the socio-political milieu during the colonial period, including Protestant Christianity's impact on colonial
4 answers
asked by
Tammy
1,229 views
Find the measure of the central angle, in radians, given the area of the sector as
22.6 cm2 and a radius equal to 3.7 cm. Round
1 answer
asked by
Kim
1,216 views
Can you help me with these sentences.Review the following sentences. Some of them are correct, whereas others contain an error
8 answers
asked by
Lacey
1,206 views
Need help with Transitive and Intransitive verbs.
1. It is related to wheat, oats, and barley. 2. Their size might surpise you.
4 answers
asked by
ann
1,198 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 answer
asked by
mary
1,197 views
A. consider the finite arithmetic series 10+13+16+...+31. how many terms are in it? Explain.
B. evaluate the series
3 answers
asked by
max
1,187 views
Using the following data, compute net sales
sales discounts 50,000 Accounts receivable, ending 125,000 Gross Sales 2,500,000
0 answers
asked by
Kenny
1,167 views
There are 100 patients in a hospital with a certain disease. Of these, 10 are selected to undergo a drug
treatment that increases
1 answer
asked by
kim
1,165 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.
0 answers
asked by
Reiny
1,159 views
what significance do the lions on the beach have for the old man, from ernest hemingway the old man and the sea?
1 answer
asked by
cc
1,148 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 answer
asked by
Brett
1,145 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
0 answers
asked by
Writeacher
1,142 views
what is the area of circle with the diameter of 15 feet, rounded to the nearest whole number?
3 answers
asked by
black mamba
1,138 views
would a screen be useful for separating a mixture of gravel and diatomaceous-earth powder?
6 answers
asked by
ralph
1,135 views
A potential difference of 12 V produces a
current of 0.90 A in a piece of copper wire. What is the resistance of the wire?
3 answers
asked by
maria
1,133 views
A research lab is planning to explore the
North Pole. Ten members of the lab each have a dog team. There are 56 dogs in all. If
1 answer
asked by
ASAP PLEASE
1,126 views
NF3 and PF5 are stable molecules. Write the electron-dot formulas for these molecules. On the basis of structural and bonding
0 answers
asked by
Tyler
1,084 views
The most prominent advocate of "Negro nationalism" during the early twentieth century wwas
A. Claude McKay B. Alice Paul C. Zora
3 answers
asked by
ashley --- HELP PLEASEE!!!
1,074 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
5 answers
asked by
Allyson
1,073 views
how does the first ten mins of the film remember the titans capture the audiences attention?
1 answer
asked by
jenny
1,054 views
Assignment: Chapter 5 Programming Problems
· Complete Programming Problems 1 and 2. · Provide the analysis, pseudocode and test
7 answers
asked by
kevin
1,028 views
A couple more questions on Transitive and Intransitive verbs.
1. Zoo keepers harvest bamboo for pandas. 2. Asian farmers live in
1 answer
asked by
ann
1,027 views
The Ku Klux Klan of the postwar period differed from its original Reconstruction-era incarnation in all of the following ways
7 answers
asked by
ashley --- HELP PLEASEE!!!
1,025 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
0 answers
asked by
peter
1,023 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
0 answers
asked by
Anonymous
1,019 views
Errors in Paragraph 2 in Swimming Strokes by Lee Carroll are and brush for subject-verb agreement, right-arm pull, left-arm
1 answer
asked by
katelyn
1,017 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
0 answers
asked by
jason
1,001 views
Realism differs from Romanticism in that realism:
A. focuses on negative and Romanticism focuses on positive B. portrays life as
2 answers
asked by
ant
993 views
24. Hydrogen peroxide can decompose to water and oxygen according to:
2H2O2 (l) + -----------> 2H2O(l)+ O2 (g) ^ H = -196 kJ What
0 answers
asked by
janet
989 views
A research manager at Coca-Cola claims that the true proportion, p, of cola drinkers that prefer
Coca-Cola over Pepsi is greater
1 answer
asked by
Adam
987 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 answer
asked by
Anonymous
977 views
Determine the maximum g of Ba3(PO4)2 that can be formed from your mass of Na3PO4 . 12H2O
1 answer
asked by
Nina
975 views
what is the length of any diagonal of a regular pentagon with a side of 20mm ?
2 answers
asked by
Katie
975 views
Can you please check my answers.
1. A lyrical movement or piece for solo voice with instrumental accompaniment is called a/an A.
4 answers
asked by
Rachel
971 views
I need points for making a 13ft.x 18ft eliptical
0 answers
asked by
Steve
969 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
4 answers
asked by
justine
968 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 =
2 answers
asked by
Bill Bob
966 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
0 answers
asked by
Shelia
960 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 answer
asked by
melanie
955 views
What is the percent by mass of NaHCO3 in a solution containing 60 g of NaHCO3 dissolved in 500 mL of H2O
2 answers
asked by
brooke
945 views
If a 4th grade with 140 students has 3 boys for every 4 girls how many are girls? how many are boys?
4 answers
asked by
lovecaandy
942 views
Conjugate the following irregular verbs in the simple present tense (Indicative).?
>> are my answers correct. tener (to have) yo
2 answers
asked by
anon
938 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,
0 answers
asked by
Alexia
933 views
A clothes dryer is spinning at 75 rpm. A student opens its door and it comes to rest after rotating through four revolutions.
2 answers
asked by
need help as soon as possible
927 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
0 answers
asked by
Jacob
919 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
2 answers
asked by
mary
915 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 answer
asked by
Francesca
910 views
How would you compute changes in Microsoft’s volume of output from one year to the next? How would price changes affect your
0 answers
asked by
sue
908 views
Carbohydrates provide organisms with ..... and .....?
1 answer
asked by
Ally
906 views
In the reaction
Ca(H2O)+2 6 + H2O ! Ca(H2O)5(OH)+ + H3O+ the calcium compound on the left acts accord- ing to the Bronsted-Lowry
2 answers
asked by
Anonymous
904 views
Match the following organs with one of its functions.
1. Oral cavity ______ a. stores bile 2. Pharynx ______ b. begins mechanical
0 answers
asked by
Danny
899 views
Is [PF5Cl]- polar?
1 answer
asked by
cassandra
899 views
In paragraph 1 in Swimming strokes I found 2 errors in subject-verb agreement, 1 error in parallelism, and 0 errors in
1 answer
asked by
katelyn
896 views
Phosphorous trichloride (PCl3) is produced
from the reaction of white phosphorous (P4) and chlorine: P4(s) + 6Cl2(g) ! 4 PCl3(g)
0 answers
asked by
Jonathan
896 views
So in paragraph 2 in Swimming Strokes by Lee Carroll there is only one error in pronoun-antecedent agreement that begins with To
2 answers
asked by
katelyn
892 views
summarize the major similarities and differences between the forms of drama, poetry, and the short story. Demonstrate your ideas
2 answers
asked by
jb
891 views
A bullet is fired straight up from a gun with a
muzzle velocity of 170 m/s. Neglecting air resistance, what will be its
1 answer
asked by
maria
882 views
a boy who can generate 500 w runs up a flight of stairs in 5.0 s.how high are the stairs if the boy has a mass of 62 kg.
1 answer
asked by
Anonymous
882 views
Lactobacillus species ferment glucose, as demonstrated
by the snyder test. What other metabolic functions might they perform
1 answer
asked by
MaryAnne
880 views
When 2.6 ×103 g of CaCO3 are heated, the
actual yield of CaO is 1.06 ×103 g. What is the percent yield? Answer in units of %.
1 answer
asked by
Jack
878 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
0 answers
asked by
Harry
869 views
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