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A rocket, initially at rest, is fired vertically with an upward acceleration of 10 m/s^2 . At an altitude of 0.50 km, the engine of the rocket cuts off. What is the maximum altitude it achieves?
A proton in a linear accelerator has a de Broglie wavelength of 158 pm, What is the speed of the proton?
what is the hydrogen ion concetration of a solution that has a pH of 4.7
How many grams of zinc are required to react with HCl to produce 8.30L of H2 at STP? Zn(s)+ 2HCl(aq)--->ZnCl2(aq)+ H2(g) a) 65.3 b) 10.0
How much heat would be liberated when 7.15 g CaO(s) is dropped into a beaker containing 152 g H2O?
A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl2 in this solution is molar
What would the product be if I react crotyl chloride with NaI in acetone?
A 50.0 mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the pH after the addition of 16.0mL of KOH.
1. determine how many grams of o2 are present when mass of a sample of earths crust is of 328rm gg ? note down
What is the net force of a 5.0 N force and an 8.0 N force acting on an object for each of the following conditions?
If you compare two acids of the same concentration with different Ka values. Which acid solution should have the lower pH value
The volume occupied by 1000. kilograms of the metal at 25 degrees Celsius. If 13.5 grams of aluminum were dissolved in an excess of concentrated HCl what volume of hydrogen gas would be released at STP? Assume the ideal gas law and that the vapor ..
A molecule of N2 in air travels at about 1000 ft/sec. If the supersonic transport Concorde travels at 1500 miles/hour, how fast does it travel in ft/sec? (1 mile = 5280 ft)
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