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Questions Asked on December 25, 2010

Q:if x= 2x10^5 and y=3x10^-3 correct to one significant figure,find the greatest and least possible value of:i)x/y
1. 2 answers
2. asked by sweetie
3. 1,643 views
The decomposition of ehtane, C_2H_6, is a first-order reaction. It is found that it takes 212seconds to decompose 0.00839M
1. 9 answers
2. asked by Kim
3. 880 views
Two identical traveling waves, moving in the same direction, are out of phase by PI/3.0 rad. What is the amplitude of the
1. 1 answer
2. asked by Bashr
3. 874 views
Two identical traveling waves, moving in the same direction, are out of phase by PI/3.0 rad. What is the amplitude of the
1. 1 answer
2. asked by Bashr
3. 832 views
The type of rubber band used inside some baseballs and golf balls obeys Hooke's law over a wide range of elongation of the band.
1. 1 answer
2. asked by nadre
3. 1,278 views
If he activation energy of a reaction is 4.86Kj, then waht is the percent increase in the rate constant of a raction when the
1. 4 answers
2. asked by Kim
3. 402 views
Ebony spent 1/6 of her weekend studying for her English test. She spent 3/8 of her time studying pronouns. How long did she
1. 2 answers
2. asked by Alyson
3. 595 views
Given that V=[ð*D^2]*h/4and fractional error in W leading from the errors Äa, Äb and Äc from the measurement of a, b, and c
1. 2 answers
2. asked by Anonymous
3. 635 views
OK third time lucky - hoping someone out there knows the answer to this one....Describe the cellular specialisation that has
1. 1 answer
2. asked by Korina
3. 329 views
A car is traveling at 55.1 km/h on a ﬂathighway. The acceleration of gravity is 9.81 m/s 2. a) If the coeﬃcient of kinetic
1. 1 answer
2. asked by jay
3. 856 views
Q:if x= 2x10^5 and y=3x10^-3 correct to one significant figure,find the greatest and least possible value of:i)x/y
1. 1 answer
2. asked by sweetie
3. 703 views
Q: oil flows through a pipe at a rate of 40m3/sec. how long will it take to fill a tank of volume 1.2x10^5m3?
1. 5 answers
2. asked by sweetie
3. 3,062 views
Q:a)the number 10 to the power 100 (10000 sexdecillion) is called a googol! if it takes 1/5 second o write a zero and 1/10 sec
1. 3 answers
2. asked by sweetie
3. 2,463 views
Please tell me the softwares that i can download to see and try various things happening inside the CPU
1. 2 answers
2. asked by jonson
3. 435 views
At what minimum speed must a roller coaster be traveling when upside down at the top of a circle if the passengers are not to
1. 6 answers
2. asked by James
3. 3,721 views
A 0.40-kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.3 m on a frictionless surface. If
1. 1 answer
2. asked by Matt
3. 1,112 views
Mars has a mass of about 6.45 × 1023 kg, and its moon Phobos has a mass of about 9.4 × 10 15 kg. If the magnitude of the
1. 2 answers
2. asked by jay
3. 2,324 views

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