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A31.1-kg child starting from rest slides down a water slide with a vertical height of12.0m. (Neglect friction.)
(a) What is the child's speed halfway down the slide's vertical distance?
-----------m/s
(b) What is the child's speed three-fourths of the way down?
__________m/s
a reaction has a standard free-energy change of -13.90 kj mol-1 -3.322 kcal mol-1. calculate the equilibrium constant
add the angular wave function for a 2s electron of carbon to that of a 2py electron of the same carbon atom. subtract
Consider the titration of a 26.1 mL sample of 0.115 M RbOH with 0.110 M HCl. Determine each of the following.
a gaseous reaction occurs at a constant pressure of 35.0 atm and releases 65.0 kj of heat. before the reaction the
The general public often expects solutions to our environmental issues that have zero risk. Explain if thats possible.
In his explanation of the photoelectric effect, Einstein stated that the incident radiation had to have a minimum energy to dislodge the electron from the metal surface. This energy is called the work function.
A chemical process requires 8.700 g-mol of calcium sulfate (CaSO4) for a reaction. How many grams are in 8.700 g-mol of calium sulfate
If the charge calculated in the first part of this question is passed through a cell constructed of copper electrodes immersed in an acidic solution of copper sulfate (0.5 M CuSO4/0.1 M H2SO4), what mass of copper, in mg, will be deposited on the ..
The density of an unknown metal is 8.94 g/cm^3 and its atomic radius is 0.126 nm. It has a face-centered cubic lattice. Find the atomic weight of this metal.?
When one mole of hydrogen iodide(HI) is stored in a 1-liter container at 444 oC, 22 % of HI wil be dissociated at equilibirum. Calculate the equilibrium constant of the reversible reaction of hydrogen iodide (HI)at 444 oC.
A roller coaster car of mass 310 kg (including passengers) travels around a horizontal curve of radius 33 m. Its speed is 16 m/s. What is the magnitude and direction of the total force exerted on the car by the track
In the titration of an impure sample of KHP, it was found that 30.6 mL of 0.100 M NaOH was required to react completely with 0.745 g of sample. What is the percentage of KHP in this sample
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