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How has the learning of Organisational Behaviour impacted on your thinking, behaviour and approaches both as an individual and as a team member?
How much heat in is evolved or absorbed in the reaction of 2.28 grams of sodium ( Na) with water( H 2 O), express your answer in kilocalories?
A substance, C, decomposed by water is initially dissolved in water (at t=0) to form a 1.0M solution. At the end of 100,000 s, 50% of C remains unreacted. What percentage of C will remain at t=1week if the reaction is second order in C only to 3 s..
Restricting yourself to straight-chain (unbranched) compounds, draw the structures of the possible constitutional isomers of pentene. There are two "variables" -- the position of the double bond; and cis/trans isomerization at that double bond.
Question- In a constant-pressure calorimeter, 55.0mL of 0.330 M Ba(OH)2 was added to 55.0 mL of 0.660 M HCl. The reaction caused the temperature of the solution to rise from 23.22 °C to 27.72 °C.
Question- Calculate the molecular weight of a small protein if a 0.32g sample dissolved in 161 ml of water has an osmotic pressure of 9.0 mmHg at 25c. (R=0.0821 L atm/(K mol))
what minor product(s) might be expected (please draw the full reaction)? Give the detailed reaction mechanism leading to the final product (major).
Two acids, each approximately 0.01 M in concentration, are titrated separately with a strong base. The acids show the following pH values at the equivalence point: HA, pH = 9.5, and HB, pH = 8.5.
When a 8.26-g sample of gaseous hydrogen bromide dissolves in 36.2 g of water in a coffee-cup calorimeter the temperature rises from 25.00C to 82.14C. Calculate H in kJ/mol HBr for the solution process.
In an experiment synthesized 4-methylcyclohexene + H20 from 4-methylcyclohexanol and an acid catalyst. Utilize anhydrous sodium sulfate to dry my product. Explain how do know when product has been sufficiently dried
Ascorbic acid, HC6H7O3, also known as vitamin C, is a weak acid. It is an essential vitamin and an antioxidant. A solution of ascorbic acid is prepared by dissolving 2.00 grams in enough water to make 100.0 mL of solution
At 580nm, the wavelength of its maximum absorption, a 3.75 x 10^-5 M solution of the complex FeSCN2+ has an absorbance of 0.2734 in a 1.00cm cell. What is the molar absorptivity of the FeSCN2+ complex at 580nm
Calculate the number of grams of Mg(OH)2 that should dissolve in 100 mL of water.
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