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1. Calculate the mass in grams for a sample of Al that absorbs 1.70kJ when the temperature increases from 56 degree Celsius to 177 degree Celsius?
2. Given the vapor pressures of octane (a liquid component of gasoline) at various temperatures as (a)500 mmHg at temperature of 111°C, (b)400 mmHg at temperature of 104°C (c)700 mmHg at the temperature of 122°C, (d) 600 mmHg at the temperature of 117°C, (e)760 mmHg at the temperature of 125°C; Determine the boiling point of octane in Colorado, Leadville where the atmospheric pressure was found 496 mmHg.
Explain the steriochemisty of gyceraldehyde and glycerol, give reasons for absence of anomeric forms in sucrose
Find out the required pressure to compress 180 liters of N at 1.0 atm into a tank whose volume is 34 liters.
Calculate the molecular weight of this gas if A sample of gas weighs 0.250 g and occupies a volume of 112 cm3 at STP?
Determine the partial pressure of each gas in a mixture of gases using Dalton's law of partial pressures
Determining the limiting reactant and mass of the product - which reactant is the limiting reactant? What mass of product may be produced?
Find the volume of oxygen - What volume of oxygen is needed to completely combust 2.07 L of methane gas
Determine osmolarity of solution when 25.0 grams of aluminum chloride dissolves in 2.50 liters of H2O.
Compute pH and [OH-] for each of the following solutions. (a) 8.1×10-2M Na2CO3, (b) 0.15M NaCN
Calculate the PH of this solution.
A buffer solution containing 0.25 M Acetic acid and 0.56 m Sodium acetate. After addition of 0.0060 mol HCL what is Ph of buffer.
Draw the enantiomer of proline which would give rise to the absolute stereochemistry and draw a proposed catalytic cycle for the transformation and how does the catalyst activate the substrate
Using a liquid sample of Na that has a molar heat of fusion of 2.06 kj/mol calculate the number of moles in a liquid sample of Na if sample releases 41.4 kj when it freezes?
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