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What is the trouble with Macro according to Paul Romer? Be thorough and explain troublesome models and key terms such as: identification, and phlogiston.
consider two cells the first with al and ag electrodes and the second with zn and ni electrodes each in appropriate
In a chemical reaction (unbalanced equation), AsF3 + C2Cl6 -> AsCl3 + C2Cl2F4, the theoretical yield of C2Cl2F4 was calculated to be 1.86 mol. If the percent yield in the reaction was 77.2%,
If the outer electron in a Sn- ion is removed by absorbing a photon of visible light having an energy of 3.618E-19 J, what is the amount of leftover energy that goes into the kinetic energy of the ejected electron
A 45.3 g sample of Al at 95.5 oC is added to 182.7 g of water that is initially at 20.5 oC. The specific heat of Al and water are 0.90 J/(goC) and 4.184 J/(goC), respectively. Calculate the equilibrium temperature.
Antimony pentafluoride (SbF5) is a member of a class of molecules called super acids. What is the predicted structure of the molecule
What NaCl concentration results when 219 mL of a 0.740 M NaCl solution is mixed with 492 mL of a 0.350 M NaCl solution?
the acid-dissociation constant for hypochlorous acid hclo is 3.0 x 10- 8. calculate the concentration of h3o at
Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when heated, thus inflating the bag. Calculate the value of w (work) for the following system if 13.9 g of NaN3 reacts completely at 1.00 atm and 22 °C.
How many grams are contained in 2.00 mol of Neon - calculate the number of moles of 20.0 g He
One mole of Nitrogen at 25 C and 1 bar is expanded reversibly and isothermally to a pressure of 0.132 bar. (a) How much work w is done on the gas? (b) How much work is done on the gas if it is expanded against constant pressure of 0.132 bar
three gases nitrogen helium and krypton are confined in a 4.00 l vessel at a pressure of 14.0 atm. the vessel contains
One method of estimating the temperature of the center of the sun is based on the assumption that the center consists of gases that have an average molar mass of 2.00 g/mol.
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