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What is stoichiometry ratio between the number of moles of copper (II) oxide produced in the reaction and malachite?
The crucible is handled with oily fingers after its mass measurement. The oil from the fingers is burned off. Will the percent water in the hydrated salt be reported as being too high too low or unaffected. Explain
A sample of 88.0 g CO2 is held at 291 K in a 50.0 L container. What is the pressure this gas exerts on the container. Express your answer in kPa. Enter only a numerical value
Explain the following regarding CSR: the inceptions, issues and reasoning. What are the beliefs of the CSR advocates?
Calculate the following when 0.250 L of 0.294 M AgNO3 solution is mixed with 0.350 L of 0.300 M Na2CO3 solution. Ksp for Ag2CO3 is 8.46E-12. What is the concentration of Ag+ remaining in solution
A mixture of ethyl iodide (C2H5I, bp 72.3 degree Centigrade) and water boils at 63.7 degree centigrade. What weight of ehtyl iodide would be carried over by 1gm of steam during steam distillation
How many milliliters of 0.10 M HCl must be added to 21.9 mL of 0.40 M HCl to give a final solution that has a molarity of 0.25 M
For chemical reactions involving ideal gases, the equilibrium constant K can be expressed either in terms of the concentrations of the gases (in M) or as a function of the partial pressures of the gases
Explain how many neutrons are emitted when a californium-249 nucleus (Z=98) is bombarded with a carbon-12 nucleus to produce a >257/104 Rf
Discuss the differences observed in the IR and NMR spectra of 3-nitrophthal-hydrazide and luminol that are consistent with reduction of the nitro function to an amino group in this experiment.
You are provided with a set of different ligands of the PR3 type and a large supply of (CO)5W(thf) with which to make a series of complexes in the form (CO)5W(PR3) by substitution of thf with PR3 how would you estimate the relative ordering of the..
The heat of combustion of bituminous coal is 2.5 × 104 J/g. What quantity of the coal is required to produce the energy to convert 100. lb of ice at 0°C to steam at 100°C
What happens to the absorbance at the analytical wavelength for P of the mixture as the reaction progresses?
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