Explain why h2o has an h - o - h bond angle
Explain why H2O has an H - O - H bond angle of 104.5o while CH4 has a H - C- H bond angle of 109.5o. Write down the Lewis structures for the following none of which obey the octet rule; show all valence shell electrons ClO3
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Explain the objective of having linear x term in form. Why do we require to have more than one x, is not one x2 term sufficient to explain something as quadtraic.
If the reaction has a rate constant k at 25 degree Celsius, explain how will the rate constant be modified at 60 degree Celsius. Consider an elementary reaction with activation energy of 1000 J/mol.
Compute the sulfuric acid molecule, H2SO4. The sulfur atom is the central atom in this molecule, with the oxygen atoms attached to it. The Hydrogen atoms are then attached to two of the oxygen atoms.
Find the probability that are at least 2 men in the group whose serum cholesterol level is at most 230. Suppose 90% of men's serum cholesterol level is less than c. What is the value of c?
The serum cholesterol levels in men aged 18 to 24 are normally distributed with a mean of 178.1 and a standard deviation of 40.7. All unites are in mg/100mg, and the data are based on the National Health Survey. A group of 9 men aged 18 to 24 is r
A student at a temperature of 0 degrees C adds the 25.0 g of NaCl crystals to a mixture of 25 mL of ice water in a coffee cup calorimeter.
Determine the numbers of kJ would it take to breakdown the nucleus of Ni-58? Explain the answers thoroughly as well as all the necessary steps arriving at the answers.
Calculate the central atom electronic geometry for SO2 andCO3-2 and determine the regions of electron density. Discuss in detail.
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