Determine the numbers of lead atoms are in a cube
A lead atom has a mass of 3.4 x 10 ^-22 gram. Determine the numbers of lead atoms are in a cube of lead that has a volume of 2.00 cm3 if the density of lead is 11.3 g/cm3
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Determine the critical value of z? Report the critical value CLOSEST to your calculated z-score. (Answer to 2 decimal places.)
The motion of a particle is expressed by the relation x = 5/3t^3 - 5/2t^2 - 30t + 8x, where x and t are defined in feet and seconds, respectfully. Find out the time, the position and the acceleration when v = 0.
Terry todl you that amount of tip he left and amount he paid in tax were within 1$ of each other. Compute possible values for before tax amount on bill.
Isopentylacetate, C7H14O2, the compound responsible for the scent of ripe bananas, can be formed commercially. Interestingly, bees release about 1.40μg of this compound when they sting, in order to attract other bees to join the attack.
How long does it take restaurant to rotate through four radians? How far does a person sitting by the window move in 100 minutes if radius of restaurant is 21 meters?
Determine the energy difference between the most stable conformation of cis-1,3-dimethylcyclohexane and the least stable chair conformation of trans-1,4-dimethylcyclohexane by using a value of 3.6 kJ/mol for a gauche butane interaction.
Liberate the free 4-nitroniline by slowly adding concentrated ammonia solution with stirring until the mixture is basic. Write down the appropriate equation and why is it necessary to add ammonia solution to precipitate the product?
Determine the pressure required to melt ice into the liquid water at 253K. The densities of liquid water and ice are 1.000 and 0.915 gmcm-3, respectively, and the heat of fusion Δfus Ho = 6,007 J mol-1.
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