Number of cans of soft drinks
The number of cans of soft drinks that you consumed in the past year?
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When the reaction consumes 2.0 g of liquidN2O4, it releases 24.8 kJ of heat. What is the value of delta H for the chemical equation as written? A reaction that is used to propel rockets is N2O4 (l) +2N2H4(l) -->> 3N2(g) + 4H2O (g).
Assume that pssword for computer system should have at least five, but no more than fifteen, characters. Find number of different passwords are available for computer system?
A point charge of +3E-6 is positioned at the origin of a coordinate system and a second point charge of -6E-6 is at x = 1.0 m. Find out the electric potential at the x = 0.5 m position?
A 0.177-gsample of unknown vapor occupies the flask at 97.80C and a pressure of 748 torr at the125-mL flask has a calculated volume of 152 mL. Assume an ideal gas behavior. Determine the numbers of moles of vapor are present?
Throughout a tennis serve, a racket is provided an angular acceleration of magnitude 140 rad/s2. At the top of the serve, the racket consists of an angular speed of 11 rad/s. When the distance among the top of the racket and the shoulder is around
A sample which is having of 1.00 mol Ar is expanded isothermally at the 0(degrees)C from 22.4dm3 to 44.8dm3 (a)reversibly, (b) against a constant external pressure equal to the final pressure of the gas, and (c) freely (against zero exter
What is the work done in joules if the gas expands (a) against the vacuum and (b) against a constant pressure of 3.7 atm when a sample of nitrogen gas expands in the volume from 1.6L to 5.4L at constant temperature?
Assume that you are riding a stationary exercise bicycle, and the electronic meter points out that the wheel is rotating at 9.6 rad/s. The wheel consists of a radius of 0.30 m. When you ride the bike for 2050 s, determine how far would you have go
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