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Question- If a breath of air, with a volume of 0.50 L, is drawn into the lungs and comes to thermal equilibrium with the body at 37°C while the pressure remains constant, calculate the increase in enthalpy of the air if the initial air temperature is 20 °C and pressure is 1 atm. Assume air acts as an ideal gas.
Illustrate all work utilize additional paper if required.
Concentration of glucose complex form stock? Set of standard solns was prepared by taking a known volume of a stock glucose soln, containg 1.000 g glucose dissolved in 100 mL of distilled water
A sample of CO2 gas at 795 torr is cooled from 25°C until the new pressure is 125 torr. Calculate the new temperature of the gas.
A sample of oxide of antimony (Sb) contains 30.5g of antimony combined w/10g O2. What's the simplest formula for the oxide
An alkane with a molecular formula of c18h18 reacts with chlorine in the presence of light and heat to give a single monochloride c8h17cl. What is the most resonalble structure for the starting alkane? and why?
neither carbon tetrachloride nor trans chbrchbr have dipole moments. both have cery different molecular geometries.
Calculate the total concentration of dissolved cadmium (i.e. sum of the concentrations of free Cd 2+ and Cd-chloride complexes) in a 0.1M NaCl solution that is in equilibrium with otavite at atmospheric PCO2 and a pH of 8.5. To what extent does ch..
the crucible is handled with oily fingers after its mass measurement but before the 3g sample of the hydrated salt is
Explain the process of reduction when referring to metals within the earth. It is possible to have glass and asbestos with identical composition, and yet one is considered hazardous and the other is not.
During a tritration, 34.62 mL of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What was the concentration of the original sulfuric acid solution?
Assuming that the process is working as intended, draw and label the flowchart, do the degree-of-freedom analysis, and estimate the molar flow rate (lb-mole/h) of the humidified outlet air.
Oxygen gas at 34.5ºC expands from 34.5L to 45.7L against a constant pressure of 750mmHg. What is the work done in joules by the system
Depict a possible ways by which a molecule of hydrogen peroxide(HOOH) can form a hydrogen bond to a molecule of methyl amine (CH3NH2). NO explanations are required drawings only.
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