Calculate the minimum uncertainty with position
According to the Heisenberg uncertainty principle, calculate the minimum uncertainty with which it's position can be known? An electron in a hydrogen atom has a speed of 4.42x10^8cm/s with an uncertainty of 4.25%.
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Test the hypothesis at 5% level of significance that the recorded data may be fitted by the hypergeometric distribution h(x; 8, 3, 5), x = 0, 1, 2, 3.
A sample which is having 3.87 mg of ascorbic acid gives.58 mg H2O and 5.80mg CO2 on combustion. Determine the percentage composition of this compound? When the ascorbic acid contains only C, H, and O.
Its height, h, above water t seconds after being thrown is provided by equation h = -16t²- 80t + 200. Find to nearest 10th of the second, how long it will take ring to hit water.
Suppose the distributions of results for the laboratories are of the same shape but not normal. The analytical results of the sample material are as follows:
Calculate the equilibrium molar ratio of nitrogen to oxygen ([N2]/[O2]) dissolved in the water which is exposed to air at 298 K. Air contains 78% N2 and 21% O2 (mole percentages).
Determine the predominant type of intermolecular force (London dispersion, dipole-dipole, hydrogen bonding) in each of the following compounds.
Write an expression which appears under radical symbol in quadratic formula. What this quantity is known as? What can it be used to find out?
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