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Questions Asked on May 8, 2013

Consider a generic redox reaction then suppose that the coefficients in the redox reaction are doubled. How will the following
1. 1 answer
2. asked by Christopher
3. 12,238 views
An ancient wooden club is found that contains 270g of carbon and has an activity of 8.3 decays per second.Determine its age
1. 1 answer
2. asked by Leila
3. 3,908 views
Divide. Write in simplest form.5. 1/3 divided by 2/5=5/6 6. 1/9 divided by 1/2=2/9 7.2/3 divided by 1/4=8/3=2 2/3 8. 1/2 divided
1. 14 answers
2. asked by Jerald
3. 3,149 views
10. 9/10 divided by 1/2= 1 4/512. 8 divided by 4/5=1/4 14.9/10 divided by 1/4= 3 3/5 16. 9/10 divided by 3/4= 1 6/30 18. 15
1. 12 answers
2. asked by Jerald
3. 2,986 views
rewrite the expression by factoring out (v+5)5v^2(v+5)+3(v+5)
1. 3 answers
2. asked by Josh
3. 2,955 views
When the production manager finds the average life of her bulb-lifetime data, it is an example of what phase of inferential
1. 3 answers
2. asked by Tifini
3. 2,837 views
A lighthouse is east of a Coast Guard patrol boat. The Coast Guard station is 20 km north of the lighthouse. The radar officer
1. 2 answers
2. asked by Grace
3. 2,472 views
What is the electric force between a glass ball that has +4.5 × 10−6 C of charge and a rubber ball that has −7 × 10−6 C
1. 1 answer
2. asked by Michael
3. 2,299 views
An antacid tablet containing magnesium hydroxide instead of calcium carbonate was dissolved in 100.0 mL of 0.2893 M HCL. 10 mL
1. 1 answer
2. asked by Mindy
3. 2,226 views
What is the approximate molar fraction of ethanol c2h5oh in an aqueous solution in which the ethanol concentration is 11.0
1. 1 answer
2. asked by Lacey
3. 2,088 views
An example of the neutron absorption reaction is .1 0 n+10 5 B-->7 3 Li+ 4 2 He The rest masses of each particle in atomic mass
1. 3 answers
2. asked by Amy
3. 2,062 views
A cylindrical carton of oatmeal with radius of 3.5 in. is 9 in tall. If all surfaces except the top are made of cardboard , how
1. 5 answers
2. asked by Hannah
3. 2,048 views
Estimate the total binding energy for copper.550 MeV Estimate the energy, in joules, needed to break a 3.0g copper penny into
1. 2 answers
2. asked by Leila
3. 2,015 views
A saturated solution of potassium nitrate in water is prepared at 70.0*C then cooled to 55.0*C how many grams of potassium
1. 2 answers
2. asked by Melissa
3. 1,730 views
Sodium dodecyl sulfate (SDS) has the structure below. The surface tension of water changes as SDS is added, as shown in the
1. 6 answers
2. asked by Anonymous
3. 1,636 views
A dog kennel is to be constructed alongside a house using 60 m of fencing. Find the dimensions that will yield the maximum area.
1. 1 answer
2. asked by Rachel
3. 1,595 views
A beaker is filled with Ammonia (NH3) and Hexane. A surfactant with a polar head group and non-polar tail is added to the
1. 6 answers
2. asked by X-ACTO
3. 1,574 views
An outpatient clinic has kept a record of walk-in patients during the past year. The table below shows the expected number of
1. 1 answer
2. asked by Kevin
3. 1,535 views
Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a
1. 3 answers
2. asked by maria
3. 1,509 views
a car of mass 100 kg traveling at 72 km/hr is brought to rest by applying the brakes.assuming that the kinetic energy of the car
1. 2 answers
2. asked by ing-marie
3. 1,484 views
The roller coaster starts with a velocity of 16 m/s. One of the riders is a small girl of mass 26 kg. Find her apparent weight
1. 1 answer
2. asked by R
3. 1,461 views
Use sum and difference identitites to find the exact value of co 15 degrees
1. 3 answers
2. asked by Christy
3. 1,456 views
how to determine the oxalate and copper in K[Cu(C2O4)2].2H2O
1. 1 answer
2. asked by rayan
3. 1,455 views
A wire is made of a material with a resistivity of 4.85109 × 10−8 Ω · m . It has length 5.57436 m and diameter 0.36396 mm .
1. 1 answer
2. asked by Anonymous
3. 1,356 views
At the Statsville County Fair, the probability of winning a prize in the basketball toss game is 0.1.a) Show the probability
1. 1 answer
2. asked by Lily
3. 1,316 views
do students who learned English as well as another language simultaneously score worse on the SAT critical reading exam than the
1. 2 answers
2. asked by shannon
3. 1,305 views
The spinner has 6 sections 2 of which are 2.The spinner is now spun until it stops on a section numbered 2. The probability that
1. 2 answers
2. asked by Hajar
3. 1,303 views
the federal systeminfo on national government (enumerated powers). info on state government (reserved powers) info on both
1. 1 answer
2. asked by anonymous
3. 1,297 views
Identify and describe 3 enviromental health hazards that cause ill health .crises,and or disasters within your community within
1. 1 answer
2. asked by Matseleng moyana
3. 1,293 views
A committee of four students will be selected from a list that contains six Grade 9 students and eight Grade 10 students. What
1. 1 answer
2. asked by Lily
3. 1,279 views
Explain why iron corrodes more quickly in seawater than in freshwater.I'm getting conflicting answers from searching on Google;
1. 1 answer
2. asked by a Canadian
3. 1,279 views
According to the Census Bureau's 2002 American Community Survey, the average travel time to work of workers 16 years and over
1. 0 answers
2. asked by ali awan
3. 1,261 views
10. What type of sociologist stresses a commitment to positively impacting society through sociology?Academic Applied Public
1. 5 answers
2. asked by mace
3. 1,251 views
The solubility of nitrogen in water is 8.21 E-4 mol/L at 0°C when the nitrogen pressure above water is 0.790 atm. Calculate the
1. 1 answer
2. asked by madd
3. 1,208 views
A satellite dish is shaped like a paraboloid of revolution. the signals that emanate from a satellite strike the surface of the
1. 0 answers
2. asked by Hannah
3. 1,206 views
Using the following spontaneous reactions, classify the 3 metals involved (Cr, Sn, Al) according to increasing reductant
1. 1 answer
2. asked by scilover
3. 1,154 views
Complete each sentence so that the meaning of the italicized abstract word is made more concrete.(Each question is worth two
1. 3 answers
2. asked by vic
3. 1,150 views
ANSWER ONE ESSAY'TAKE A NOBLE MAN. PUT HIM IN A SITUATION WHERE DESPITE HIS NOBILITY HE FAILS TO MAKE THE RIGHT DECISION OR
1. 2 answers
2. asked by MADHURIKA
3. 1,122 views
The admission ticket of an amusement park is $50 per head, and there is a 30% discount for a group of equal or over 30 people.
1. 0 answers
2. asked by Mathslover Please help
3. 1,109 views
A20 kg box is suspended from the ceiling by robe that weight of the rope is 1kg find the tension
1. 2 answers
2. asked by natnael
3. 1,102 views
The distribution of heights of American women aged 18 to 24 is approximately normally distributed with mean 65.5 inches and
1. 0 answers
2. asked by ali awan
3. 1,093 views
Which one of the following species will react with Sn at standard state conditions?a) S b) Ag+ c) Cu d) Zn2+ What does it mean
1. 1 answer
2. asked by scilover
3. 1,085 views
Make up an alliterative headline for each of these newspaper reports.a)A man is attacked by a shark..b)The local library burns
1. 3 answers
2. asked by kina
3. 1,076 views
The number 1000 can be written in several ways as a sum of one or more consecutive positive integers, for instance, 1000=1000
1. 1 answer
2. asked by HELP!!
3. 1,073 views
The National Coalition on Healthcare suggests that the mean annual premium that a health insurer charges an employer for a
1. 0 answers
2. asked by ali awan
3. 1,057 views
12. Which of the following lists demonstrates various tenses of an irregular verb?A. I call, I called, I will call B. I walk, I
1. 2 answers
2. asked by NANA
3. 1,056 views
A car comes to a stop six seconds after the driver applies the brakes. While the brakes are on, the following velocities are
1. 0 answers
2. asked by Dolores Ramirez
3. 1,053 views
The range of human hearing extends from approximately 20 Hz to 20,000 Hz. Find the wavelengths of these extremes at a
1. 0 answers
2. asked by Abdul A.
3. 1,047 views
A ladder is in a safe position if the height it reaches on the wall is four times the distance of the base from the wall. To the
1. 2 answers
2. asked by Cass
3. 1,024 views
Four players are playing a game involving choosing positions on a grid of size 3×8. Each player chooses a random position on
1. 1 answer
2. asked by Mathslover Please help
3. 1,024 views
a number cube is rolled 2 times in a row. what is the probability of rolling a number greater than 2 both times?
1. 1 answer
2. asked by anon
3. 1,018 views
2500 students take a college entrance exam. The scores on the exam have an approximate normal distribution with mean u = 52
1. 1 answer
2. asked by Ruth
3. 990 views
In roulette, the bet on a “split” pays 17 to 1 and there are 2 chances in 38 to win. The bet on “red” pays 1 to 1 and
1. 1 answer
2. asked by Din123
3. 980 views
A. Find and list all of the different half- cell combinations. Hint 15 combinations!1. Copper/ Cu2+ 2. Lead/ Pb2+ 3. Magnesium/
1. 2 answers
2. asked by Chloe
3. 979 views
Assume that body temperatures of healthy adults are normally distributed with a mean of 98.2°F and a standard deviation of
1. 0 answers
2. asked by ali awan
3. 978 views
Find an equation for the hyperbola whose graph has vertices (+/-5,0) and foci (+/-7,0)
1. 0 answers
2. asked by dylan
3. 963 views
Find the coordinates of the vertex and determine whether the graph opens up or down. y=-x^2+x-5
1. 2 answers
2. asked by Sabrina
3. 958 views
Find the exact value of cos (2theta) given csc theta = 8/3 and 0 < theta < pi/2
1. 1 answer
2. asked by Sean
3. 941 views
In the text box provided below, type the research report according to the guidelines below. You must submit both your first
1. 1 answer
2. asked by lewis
3. 912 views
The heat of fusion of water is 335 J/g, the heat of vaporization of water is 2.26 kJ/g, the specifc heat of ice is 2.05 J/deg/g,
1. 1 answer
2. asked by Jenny
3. 910 views
3 environmental health hazards that cause ill health , crises and or disasters within your community or elsewhere in south
1. 0 answers
2. asked by Anonymous
3. 909 views
How many moles of potassium hydroxide are required to neutralize 1.25 mol of phosphoric acid?H3PO4 + 3KOH -> K3PO4 +3H2O I got
1. 3 answers
2. asked by Anonymous
3. 899 views
The tried and true methods quite often can't be beat.
1. 0 answers
2. asked by vic
3. 890 views
from 962 which eves number has 6 tens
1. 1 answer
2. asked by maria
3. 884 views
According to a USA Today poll conducted in February 2009, 83% of adults nationwide are in favor of funding new government
1. 0 answers
2. asked by ali awan
3. 883 views
Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a
1. 4 answers
2. asked by raul
3. 879 views
Consider a sample that is a mixture composed of biphenyl, benzoic acid, and benzyl alcohol. Predict the order of elution of the
1. 0 answers
2. asked by bez
3. 879 views
On a hot summer day, the temperature of air in Arizona reaches 118°F. What is the speed of sound in air at this temperature?
1. 0 answers
2. asked by Abdul A.
3. 861 views
students who learned English as well as another language simultaneously score worse on the SAT critical Reading exam than the
1. 1 answer
2. asked by shannon
3. 858 views
If you were going to compare & contrast FDR and LBJ what aspects of their lives would you compare what aspects would you
1. 4 answers
2. asked by renee
3. 841 views
Given that a sports arena will have a 1400 meter perimeter and will have semi-circles at the ends with a possible rectangular
1. 1 answer
2. asked by sunny
3. 839 views
Do you have the answers for the exams under bookkeeping course in pennfoster?
1. 2 answers
2. asked by Chrisitna
3. 827 views
Square root 18 + 3/square root 2
1. 0 answers
2. asked by Brittany
3. 825 views
Human Origins EssaySignificant consequences of the Agricultural Revolution; There are multiple consequences from the Neolithic
1. 3 answers
2. asked by (;
3. 820 views
15. Given ensuing information, determine the least cost and the least cost mix of on-and off-shore pipe. • • • • The
1. 2 answers
2. asked by Ryan
3. 818 views
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel
1. 0 answers
2. asked by Abdul A.
3. 817 views
A ship leaves a port at 12:00 Noon and sails East at speed of 10 miles/hour. Another ship leavesthe same port at 1:00 PM and
1. 3 answers
2. asked by Anonymous
3. 804 views
100 ml of water at 20 degrees celcius has more,less, or the same thermal energy than 500 ml of water at 20 degrees?
1. 2 answers
2. asked by Abby
3. 797 views
Divide write in simplest form13. 3/4 divided by 7/12=1 3/28 14. 9/10 divided by 9= 8 1/0 15. 2/3 divided by 5/8=1 1/5 16. 4
1. 6 answers
2. asked by Jerald
3. 794 views
If a galaxy is traveling away from us at 2.0% of the speed of light, roughly how far away is it?t= light years I got 2.4x10^8
1. 1 answer
2. asked by Leila
3. 793 views
According to a Gallup Poll conducted in March of 2009, 38% of American adults polled believe that global warming will pose a
1. 0 answers
2. asked by ali awan
3. 783 views
You have a 4-card deck containing a queen, a jack, a 10, and a 9. You draw a random card, put it back, and draw a second random
1. 1 answer
2. asked by so confused!
3. 763 views
A ship leaves a port at 12:00 Noon and sails East at speed of 10 miles/hour. Another ship leavesthe same port at 1:00 PM and
1. 0 answers
2. asked by Anonymous
3. 749 views
Four players are playing a game involving choosing positions on a grid of size 3×8. Each player chooses a random position on
1. 0 answers
2. asked by Tom
3. 749 views
A wave solution to Maxwell's Equations is given by E⃗ =E0xˆcos(5.0 z)cos( 1.03e11 t) where z is measured in centimeters and t
1. 35 answers
2. asked by amit sharma
3. 745 views
Fable for tomorrowThis town does not actually exist, but it might easily have a thousand counterparts in America or elsewhere in
1. 6 answers
2. asked by mandy
3. 738 views
A pen costs twice as much as a pencil. If Susan spends $ 1.50 for a pen and a pencil, how much does a pencil cost ?
1. 4 answers
2. asked by Sadia
3. 737 views
7.Determine whether it is appropriate to apply the Central Limit Theorem for Proportions: sample size 35, sample proportion
1. 3 answers
2. asked by ali awan
3. 732 views
An object is moving along a straight line, and the uncertainty in its position is 2.40 m. (a) Find the minimum uncertainty in
1. 1 answer
2. asked by Ashley
3. 726 views
Which one of the following species will react with Sn at standard state conditions?a) S b) Ag+ c) Cu d) Zn2+
1. 2 answers
2. asked by scilover
3. 722 views
A ship leaves a port at 12:00 Noon and sails East at speed of 10 miles/hour. Another ship leavesthe same port at 1:00 PM and
1. 0 answers
2. asked by Anonymous
3. 710 views
An object is moving along a straight line, and the uncertainty in its position is 2.40 m. (a) Find the minimum uncertainty in
1. 0 answers
2. asked by Ashley
3. 707 views
An adult and a child are on a seesaw 14.5 ft long. The adult weighs 152 lb and the child weighs 80 lb.How many feet from the
1. 1 answer
2. asked by Anonymous
3. 707 views
a spring exerts a force of 150 N when it is stretched 0.4 m beyond its natural length. How much work is required to stretch the
1. 1 answer
2. asked by Anonymous
3. 706 views
a plane is flying in the direction of 190 degrees with an air speed of 400 mph. Its course and ground speed are 200 degrees and
1. 1 answer
2. asked by Sheryl
3. 689 views
if the endpoint in the tritration of the KHC8H4O4 solution with the NaOH solution is mistakenly surpressed(too pink),will the
1. 1 answer
2. asked by jiska
3. 676 views
It is 74.4 miles from Dwane and Patti's house to Martha's house. Patti leaves home at 10:00 and drives toward Martha's house.
1. 1 answer
2. asked by Need help fast
3. 674 views
The squares of a 3×3 board are randomly coloured black or white. Let W be the number of white squares and B the number of black
1. 0 answers
2. asked by hemant
3. 673 views
Consider the polymer polybutadiene.(a) Will linear polybutadiene or branched polybutadiene have a higher molar volume? (b) Will
1. 2 answers
2. asked by Anonymus
3. 670 views
1.a. Fisrt identify one environmental or human factor that causes ill health. In 10-15 lines discuss 5 ways in which the human
1. 2 answers
2. asked by Rirhandzu Molea
3. 664 views

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