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Bill assumed that water always boils at 100 *c, so he used this in his calculation. Actually it boiled at 102.*c during experiment. Did this assumption cause his calculated specific heat to be too high, too low or not affect?
The resultant mixture is then evaporated in a kettle to produce a jam contain- ing 67 wt % soluble solids
A gaseous mixture of O2 and N2 contains 36.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 685 mmHg.
A certain microwave oven delivers 702 watts (J/s) of power to a coffee cup containing 67.5 g of water at 25°C. If the wavelength of microwaves in the oven is 9.75 cm
Isothermal Pressure Increase Prediction, Estimate the pressure increase needed to decrease isothermally by 1% the volume of
Did an experiment williamson ether synthesis with sodium ethoxide and 1-bromobutane forming 1-ethoxybutane and NaBr. The 1H NMR showed an impurity
Exactly 34.42 mL of 0.1013 M NaOH is used to titrate a 25.00 mL sample of H2SO4. What is the concentration of the sulfuric acid?
Cocaine overdose and addiction are major public health problems. One novel treatment involves the administration of high activity mutants of human butyrylcholinesterase (BChE) (i.e. this would be a protein-based ‘drug') that would hydrolyze and d..
Which of the following terms would be used in a description of the mechanism of this reaction? tertiary carbanion, 2-methylpentoxonium ion, sp hybridized pentyne, vicinal dihydroxide, or hydroxide ion.
The following statements describe some physical and chemical properties of sucrose (table sugar). Which response includes all that describe chemical properties, and none that describe physical properties?
the following vibrational levels in the upper electronic state of I2: A) between v=1 and v= 0: b) between v=4 and v=3; and between v=21 and v=20. comment on and explain this trend in terms of the quantum mechanical concept of constraint.
An aqueous solution containing 0.003 M NaCl and 0.005 M CaCl2 is mixed with the polysaccharide alginate to create a high-viscosity liquid that is a component of a wound dressing
The enthalpy change for converting 1.00 mol of ice at -50.0 degrees C to water at 70.0 degrees C is ____ Kj. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-k and 1.84 J/g-k, respectively.
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