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1. Develop an interactive computer program that determines the coefficient of performance of a reversed Stirling ASC refrigerator or heat pump (allow the user to choose which). Prompt the user for all necessary input information (in the proper units).
2. Describe how you think the introduction of food refrigeration by artificial ice used in kitchen iceboxes in the mid 19th century could improve the standard of living in a society.
Sketch a voltaic cell represented by the line notation below. Write the overall balanced redox reaction equation and calculate Eocell Mn(s) | Mn2+(aq) || ClO2-(aq) | ClO2(g)
The pKb values for the dibasic base B are pKb1 = 2.1 and pKb2 = 7.8. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.75 M B(aq) with 0.75 M HCl(aq).
Describe the apparent relationship between H30+ and OH- concentrations when an endpoint is reached in an acid-base titration.
Calculate how many g of iron can be produced using 2396 of if the yield is 82% Fe2O3 + 3CO ----> 2Fe + 3CO2
A mixture of 0.160 moles of C is reacted with 0.117 moles of O2 in a sealed 10.0 L vessel at 500.K, producing a mixture of CO and CO2. The total pressure is 0.640 atm. What is the partial pressure of CO? 3C + 2O2---> 2CO +CO2
Describe how you could determine the specific heat of a metal by using the apparatus and techniques
Write the chemical equation for the dissociation of the salt into its ions. Write the expression for Ka or Kb and give the value of Ka or Kb 1. 1.0M NaC2H3O2 pH=7.45 2. 1.0M NaHCO3 pH=8.60 3. 1.0M Na2CO3 pH=11.62 4. 1.0m NH4Cl pH=3.98
Arrange the following atoms in order of decreasing atomic radius. Rank from largest to smallest. To rank items as equivalent, overlap them. Ge, Si, I, O
helium-oxygen mixtures are used by divers to avoid the bends and are used in medicine to treat ailments. what percent
List and describe at least two grades of commercially available ammonium nitrate. Why does OSHA require employers to store bulk quantities of ammonium nitrate within a bin that is clean and free of contaminants? Give an example of a contaminant, and ..
Carbon monoxide (CO) has a much smaller dipole moment than expected. This observation has puzzled chemists and led to much argument about the nature of the bonding in the molecule.
find the molecular formula for a compound with the empirical formula ch2o. the molar mass of the compound is 180.2 g/mol
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