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Questions Asked on March 14, 2013

What is the surface area of a rectangular prism with a length of 8 ft, width of 10 ft, and height of 6 ft?
1. 0 answers
2. asked by Deliah
3. 24,882 views
A 0.4647-g sample of a compound known to contain only carbon, hydrogen, and oxygen was burned in oxygen to yield 0.8635 g of CO2
1. 3 answers
2. asked by shane
3. 13,226 views
When 20.0 g C2H6 and 60.0 g O2 react to form CO2 and H2O, how many grams of water are formed?
1. 8 answers
2. asked by pls help
3. 10,627 views
Which of the following conditions is always true at equilibrium? deltaG=0, Q=1, K=1, deltaG=deltaG(standard),
1. 7 answers
2. asked by Student
3. 10,037 views
Consider the fermentation reaction of glucose: C6H12O6 ----) 2C2H5OH+2CO2A 1.00-mol sample of C6H12O6 was placed in a vat with
1. 5 answers
2. asked by shane
3. 9,672 views
One step in the isolation of pure rhodium metal (Rh) is the precipitation of rhodium(III) hydroxide from a solution containing
1. 2 answers
2. asked by Jane
3. 5,800 views
Write a balanced equation for the following:aqueous barium chloride reacts with aqueous sodium chromate to form aqueous sodium
1. 1 answer
2. asked by Chris
3. 4,872 views
A compound containing only carbon, hydrogen and oxygen is subjected to elemental analysis. Upon complete combustion, a .1804g
1. 3 answers
2. asked by Brian
3. 4,669 views
When 25.0 mL of 1.0 M H2SO4is added to 50.0 mL of 1.0 M NaOH at 25.0 °C in a calorimeter, the temperature of the aqueous
1. 3 answers
2. asked by nobody
3. 4,366 views
a)If x3 + y3 - xy2 = 5, find dy/dx. (b) Using your answer to part (a), make a table of approximate y-values of points on the
1. 1 answer
2. asked by Anonymous
3. 4,268 views
An organic compound that has the empirical formula CHO has a molecular mass of 145 amu. Its molecular formula is?
1. 4 answers
2. asked by Stefhanie help me pls
3. 4,248 views
The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 50 amps when the
1. 3 answers
2. asked by Anonymous
3. 4,212 views
A playground is shaped like a rectangle with a width 5 times its length (L). What is a simplified expression for the distance
1. 9 answers
2. asked by Jim
3. 3,967 views
A patio measures 12 feet by 14 feet. How many 8-inch-square paving stones are needed to pave the patio?A. 21 B. 252 C. 378 D.
1. 1 answer
2. asked by mathlab
3. 3,858 views
A 6.75-g sample of gold (specific heat capacity = 0.130 J/g °C) is heated using 55.8 J of energy. If the original temperature
1. 4 answers
2. asked by dave
3. 3,853 views
1) Emily is testing her baby's bath water and finds that is too cold,so she adds some hot water from kettle on the stove. If
1. 2 answers
2. asked by Isis
3. 3,850 views
when robert hooke observed cork through his compound microscope , all that he could see were empty chambers. why were hooke's
1. 4 answers
2. asked by idk
3. 3,779 views
circle the words with two vowels together where each vowel has a separate vowel sound, then under line the letters that stand
1. 8 answers
2. asked by jasmine
3. 3,756 views
A 100.0 g sample of water at 27.0°C is poured into a 77.4 g sample of water at 89.0°C. What will be the final temperature of
1. 2 answers
2. asked by Joshua
3. 3,484 views
True or false? The calorie is defined as the amount of energy (heat) required to raise the temperature of one gram of water by
1. 4 answers
2. asked by LEE
3. 3,452 views
The amount of energy needed to heat 2.00 g mercury from 50.0°C to 85.0°C is 9.87 J. The specific heat capacity of this sample
1. 3 answers
2. asked by glen
3. 3,430 views
For the reaction? FeCl2 + ? Na3PO4 → ? Fe3(PO4)2 + ? NaCl what is the maximum mass of Fe3(PO4)2 that could be formed from 5.25
1. 2 answers
2. asked by James
3. 3,425 views
A sample of an oxide of antimony (Sb) contained 51.5 g of antimony combined with 16.9 g of oxygen. What is the simplest formula
1. 6 answers
2. asked by Greg PLS HELP
3. 3,399 views
An astronaut in her space suit has a total mass of m1 = 76.9 kg, including suit and oxygen tank. Her tether line loses its
1. 1 answer
2. asked by Emily
3. 3,222 views
A spherical balloon is being inflated in such a way that its radius increases at a rate of 3 cm/min. If the volume of the
1. 3 answers
2. asked by Mark
3. 3,059 views
Calculate without using tables or calculators log 450 and log 324 given log 2 =0.3010 and log 3 =0.4771
1. 2 answers
2. asked by John Makotamo
3. 2,672 views
Natalie is buying potatoes at the grocery store. If she buys 6 potatoes that each have a mass of 375 grams, what is the total
1. 7 answers
2. asked by kay
3. 2,490 views
It is found that 1.431 g of element X contains 7.509 × 1021 atoms. The atomic mass of X is?
1. 3 answers
2. asked by MIKE
3. 2,412 views
A rectangular field is to be enclosed by a fence and divided into three equal rectangular parts by two other fences. find the
1. 2 answers
2. asked by jeremy
3. 2,281 views
Which of the following processes is exothermic?a.rolling a ball up a hill b.boiling water in a beaker to make steam c.allowing
1. 3 answers
2. asked by Trisha
3. 2,176 views
Rank the following compounds in order of their solubility in water. (most soluble = 1 -- least soluble = 4)--Note that for the
1. 5 answers
2. asked by Maddie
3. 2,146 views
What is the C-C-H bond angle in the molecule H2CCO?
1. 2 answers
2. asked by Brian
3. 2,132 views
A mixture of 0.50 mol of ethanoic acid and 1.00 mol of ethanol was shaken for a long time to reach equilibrium. The whole
1. 1 answer
2. asked by LC-Laila
3. 2,050 views
1.Find the surface area for a sphere with a radius of 10 feet. Round to the nearest whole number.1,256 ft2 4,189 ft2 1,089 ft2
1. 13 answers
2. asked by Lila
3. 1,980 views
The faces on a fair number cube are labelled 1, 2, 3, 4, 5 and 6. Steven rolls the number cube 48 times.How many times should
1. 3 answers
2. asked by Tifinia
3. 1,900 views
ISABEL WANTS A COAT THAT COAST $60. SHE HAS SAVED $42 . WHAT FRACTION OF THE AMOUNT SHE NEEDS TO SAVED.
1. 3 answers
2. asked by Anonymous
3. 1,898 views
Circle the word with two vowels together where each vowel has a separate vowel sound. Then underline the letters that stand for
1. 5 answers
2. asked by jasmine
3. 1,894 views
As reported in Runner's World magazine, the times of the finishers in the new york 10 km run are normally distrubted with a mean
1. 2 answers
2. asked by Anonymous
3. 1,879 views
In a recent survey in a Statistics class, it was determined that only 60% of the students attend class on Fridays. From past
1. 1 answer
2. asked by Jada
3. 1,863 views
What is the molarity of nitrate ions in a solution containing 2.20 mg of Mg(NO3)2 dissolved in 7.35 L of water?
1. 2 answers
2. asked by Maddie
3. 1,845 views
assume that a 50 kg skater on level ice has built up her speed to 30km/hr.how far will she coast before the sliding friction
1. 3 answers
2. asked by chingtham
3. 1,767 views
What are the core business activities of absa ,nedcor and anglo american listed on top of the jse csr index?
1. 2 answers
2. asked by Ntebo matla
3. 1,764 views
Marco's goal is to eat only 2,000 calories each day. One day for breakfast he consumed 310 calories, for lunch he consumed 200
1. 7 answers
2. asked by jared
3. 1,669 views
Annie walked her dog 2 1/4 miles from her house to the dog park and 3/7/8 miles around the park.Then she walked the same
1. 9 answers
2. asked by ttuuffyy
3. 1,639 views
An aqueous antifreeze solution is 31.0% ethylene glycol (C2H6O2) by mass.The density of the solution is 1.039 g/cm3. Calculate
1. 3 answers
2. asked by Maddie
3. 1,558 views
Earth's mass, in kilograms, is 5.97x10^24. the moon's mass is 7.34x10^22. How many times greater is Earth's mass (in scientific
1. 2 answers
2. asked by Michelle
3. 1,485 views
A right triangle prism has a volume of 2 cubic inches. A second right triangle prism is similar to the first one and has a
1. 2 answers
2. asked by Yvonne
3. 1,482 views
12) Which of the following statements is true?a) The sampling distribution of the difference between two proportions will always
1. 1 answer
2. asked by Joker
3. 1,411 views
The Grade 8 students had a graduation dinner. They paid a flat rate of $125 for the use of the hall, plus $13 for each student
1. 4 answers
2. asked by Cherie
3. 1,411 views
A trainer for a professional football team keeps track of the amount of water players consume throughout practice. The trainer
1. 4 answers
2. asked by Help
3. 1,402 views
A 1.85 m tall basketball player attempts a goal 9.3 m from a basket (3.05 m high). If he shoots the ball at a 45° angle, at
1. 1 answer
2. asked by John Miller
3. 1,391 views
1. The ___ is the outer, thinnest layer of your skin, which houses sweat pores. (1 point)epidermis dermis fatty layer hair 2.
1. 6 answers
2. asked by Someone
3. 1,361 views
The difference between the prices of two bikes is $22. The sum of the prices is $328. How much does each bike cost?
1. 3 answers
2. asked by Sydney
3. 1,299 views
If the molality of a CaCl2 solution is .100 mol/kg, and was made from 500.0 mL of water, how many grams of CaCl2 were needed to
1. 3 answers
2. asked by Tim
3. 1,298 views
a 70 kg astronaut is loaded so heavily that he can jump only to a height of 10 cm on earth.how far can he jump on the moon?
1. 1 answer
2. asked by chingtham
3. 1,286 views
According to Newton's second law of motion, _____?A. F = mv B. F = m/a C. a = Fnet /m D. F = ma I think it is B..?
1. 1 answer
2. asked by Roger
3. 1,272 views
A sample of chlorine gas is collected by water displacement at 23C. If the atmospheric pressure is 751 torr, what is the partial
1. 1 answer
2. asked by Jo
3. 1,269 views
Assume the proton is at rest initially.The charge on the proton is 1.602×10−19 C and its mass is 1.67 × 10−27 kg. If the
1. 0 answers
2. asked by Anonymous
3. 1,263 views
What is the wavelength of an electron traveling at 7.59% of the speed of light?
1. 1 answer
2. asked by Brian
3. 1,238 views
Sally answered 90% of the math test questions and 80% of the history test questions correctly. If each test had 50 questions,
1. 4 answers
2. asked by Anonymous
3. 1,225 views
select two challenges associated with multicultural leadership. As a scholar-practitioner in the field of public health, think
1. 1 answer
2. asked by sheryce
3. 1,208 views
From point Q on circle P, an arc is drawn that contains P. Find the measure of the arc AQB that is cut off.
1. 1 answer
2. asked by lauren
3. 1,190 views
A ball dropped from a height of 10m loses 40% of its energy after impact on ground. How much height will it gain after one
1. 3 answers
2. asked by pinki
3. 1,188 views
A road runs from the base of a mountain. From two points 235 meters apart on the road, the angles of elevation to the top of the
1. 1 answer
2. asked by nicole HELP
3. 1,180 views
What is 2(1x1/2)+2(1x1/4)+2(1/2x1/4)
1. 1 answer
2. asked by Eligh
3. 1,172 views
THE RATIO OF A DOGS TO CATS AT THE PET STORE IS 1:4. IF THE PET SHOP HAS 7 DOGS, HOW MANY CATS DOES IT HAVE?
1. 3 answers
2. asked by NORMA
3. 1,172 views
What values (c) if any are predicted by the mean value theorem for the function f(x)= (x-2)^3 on the interval [0,2]?I got x= 4
1. 3 answers
2. asked by Mark
3. 1,132 views
NOTE: this is for advanced functions, NOT physicsA 2m length of board rests with one end on the floor and the other end on a
1. 2 answers
2. asked by Thomson
3. 1,114 views
In English, we're learning about the Holocaust and we are answering to "related-to-your-life" questions and below are some
1. 1 answer
2. asked by Emma
3. 1,114 views
10g of silver nitrate solution is added to 10g sodium chloride solution? what change in mass do you except after the reaction
1. 1 answer
2. asked by nitin jangid ,palwal
3. 1,112 views
use all digits from 1 - 9 inclusively to make a 3 by 3 magic square.each row ,column and diagonal has the same total
1. 3 answers
2. asked by wan
3. 1,084 views
Determine the equation of the function that has the indicated transformation applied to it.f(x)= 3(x+1)^2-2 reflection across
1. 3 answers
2. asked by Thomson
3. 1,080 views
Marvin has a 27-foot ladder. Safety standards dictate that the base of a 27-foot ladder should be placed 7 feet from a vertical
1. 1 answer
2. asked by jos
3. 1,048 views
Differentiate the function.f(x) = sin(x) ln(2x)
1. 1 answer
2. asked by Dee
3. 1,043 views
If you multiply 100!*200!*300!, how many 0s are there?
1. 2 answers
2. asked by K - NEED HELP
3. 1,036 views
�ã7/11 rationalize the denominator and simplify
1. 1 answer
2. asked by tora
3. 1,032 views
What type of reaction will occur when an aqueous solution of lithium chloride is mixed with an aqueous solution of ammonium
1. 1 answer
2. asked by Brian
3. 1,023 views
Oakwood plowing company purchased two new plows for the upcoming winter. Oakwood must make a single payment of 25,03 to pay for
1. 0 answers
2. asked by Donna
3. 1,018 views
if a rubber band can be stretched to a circular shape that has a radius of 3.4 inches. how many 1.3-mm diameter toothpicks could
1. 1 answer
2. asked by Joshua baez
3. 1,016 views
Hi can you help me find a website for teens in the 1920's and a journal on it.
1. 3 answers
2. asked by Marco
3. 1,014 views
list the 13 prefixes and numerical value (exponent) in order from largest to smallest. (ex;a5 where a is the prefix and 5 is the
1. 0 answers
2. asked by pierre
3. 1,008 views
what if you divide circumference by diameter and don't get pi ? What does that mean about the circle (because today i got
1. 2 answers
2. asked by Alexis Thompson
3. 998 views
you are trying to lift a 10 kg dumbbell by pulling upward on it with a 108.1 N force. what wil lthe acceleration of the dumbbell
1. 2 answers
2. asked by Anonymous
3. 988 views
What is the perimeter of an equilateral triangle with an altitude of 15m?
1. 1 answer
2. asked by Amber
3. 983 views
When a driver brakes an automobile, friction between the brake disks and the brake pads converts part of the car's translational
1. 0 answers
2. asked by Jayde Larson
3. 978 views
Could you please check the grammar in the following sentences? Thank you very much in advance.1.I had just turned off the light
1. 1 answer
2. asked by John
3. 978 views
Is it possible for a band or artist to make topical or political commentary in a song today while focusing on turning a profit?
1. 1 answer
2. asked by ashley
3. 971 views
(w+9)^3+56=0 write were w i a real number write answer in simplified radical formwrite b^2/3 as a radical expression
1. 1 answer
2. asked by kj
3. 966 views
Describe how you would go about making 1200mL of 0.100 Molarity HNO3 from a concentrated solution that is 12 Molarity?
1. 0 answers
2. asked by Nicole
3. 966 views
Jack and Diane went to the movies. They each paid the same amount for an admission ticket. Together, they spent $12 on snacks.
1. 1 answer
2. asked by Cherie
3. 965 views
Using a standard deck of 52 cards find each probability.1.)King, queen, or black card 2.)Spade or hearts card
1. 1 answer
2. asked by B1nary
3. 954 views
A balance scale is perfectly balanced with two blocks on one side and ten weights on the other. If each weight equals 2.0 grams,
1. 6 answers
2. asked by Anonymous
3. 954 views
How many valance electrons are there in [(C2H5)4N]+ ?
1. 1 answer
2. asked by Brian
3. 951 views
In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles shown in the
1. 1 answer
2. asked by Brandon Ochoa
3. 938 views
An airplane is going 300 mph at a bearing of N 55 degrees E. The wind is blowing 30 mph due East. What is the actual speed and
1. 1 answer
2. asked by Shayne
3. 913 views
how to write an expression using 23 and 46
1. 1 answer
2. asked by Anonymous
3. 910 views
What mass of silver chloride can be prepared by the reaction of 160.0 mL of 0.25 M silver nitrate with 110.0 mL of 0.20 M
1. 1 answer
2. asked by Sam
3. 899 views
Two children, m1 = 50 kg and m2 = 55 kg, and a plastic sled of mass 35 kg start at rest and slide for 5.0 s down a hill. The
1. 1 answer
2. asked by Jacob
3. 891 views
One end of a spring is attached firmly to a wall, and a block is attached to the other end. When the spring is fully compressed,
1. 1 answer
2. asked by Kathy
3. 886 views
If an unknown metal M is .521 g how do you calculate it's atomic mass?
1. 1 answer
2. asked by Christine
3. 873 views

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