What is the atomic mass and identity of the element x
Element X, a member of group 5A, forms two chlorides, XCl3 and XCl5. Reaction of an excess of Cl2 with 8.729g of XCl3 yields 13.233g of XCl5. What is the atomic mass and identity of the element X?
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By how much does the potential energy of a(n) 20.5-kg child increase when the child climbs a normal staircase to the second floor?
How do you estimate the true strain at the tensile strength condition given only a simple stress-strain curve of a material? Could you please show a simple example with numbers?
The drop in her vertical height is 2.6 m. If her mass is 59 kg, how much work is done by the (nonconservative) force of the wave?
Determine the FCF (Free Cash Flow) for the 5 year forecast period. Determine the present value of this 5 year forecast period.
The coefficient of kinetic friction between the tires and the road is 0.725. How far does the truck skid before coming to a stop?
Compute the variance, standard deviation, range, and coefficient of variation. Are the data skewed? If so, how?
Hydrogen gas at 2 atm and 27C is flowing in a neoprene tube 3 mm inside diameter and 11 mm outside diameter. Calculate the leakage of hydrogen through a tube 1 m long in kg mol/s at steady state.
(a) What is the total momentum of the system of the two carts at this instant? (b) What was the velocity of the first cart when the second cart was still at rest?
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