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Calculate the mole ratio of iron used to copper produced. Express this ratio as a simple whole-number ratio.
My teacher explained that the question is telling you to find the empirical formula except the percent by mass is not given. The only thing given is:
Iron Used = 0.3 gCopper Produced = 2.2 g
Cobalt-60 is a beta emitter with a half life of 5.3 years. Approximately what fraction of cobalt-60 atoms will remain in a particular sample after 12.0 years?
The following data apply to 25oC and 100kPa. Assume the specific volume Vs, and Kt are constant with respect to pressure changes. delta G(graph) = 0
Draw the structure of aspiring and assign each different type of proton(s) a letter. Then assign the letters to their corresponding peak in the NMR spectrum
the mass of a cube of iron is 324 g. iron has a density of 7.87 gcm3. what is the mass of a cube of lead that has the
Calculate molarity of a KCl solution prepared by dissolving 0.525 moles of Kcl in 250. mL of water.
describe the underlying concepts of how laboratory activity works. descreption should be at least half page
Do the pH values for the more dilute solutions approach the pH of the distilled water. What would we expect to happen if we continued to dilute these samples even further
Using a table of thermodynamic data calculate, the Delta H degrees for the following reaction (at 25 degrees C).
What is the freezing point of a solution prepared by dissolving 11.3 g of Ca(NO3)2 in 115 g of water?
The carbon atom model has an additional rotational axis of symmetry that is NOT threefold. Use an arrow to show the location of one of these in a figure of the carbon atom model.
A voltaic cell consists of Ni/Ni2+ and Co/Co2+ half-cells containing equal volumes of solutions with the following initial concentrations: [Ni2+] = 0.80 M; [Co2+] = 0.20 M.
A water sample is suspected to be contaminated by iron (III) ions. How could you determine if the sample is really contaminated
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