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A 100. mL sample of water is taken from the pacific ocean, and the water is allowed to evaporate. the salts that remain (mostly from NaCl) have a mass of 3.85g. Calculate the original concentration of NaCl, in ppm, in the water sample.
Carbon monoxide and oxygen both can bind to hemoglobin, an important molecule for oxygen transfer in our body. In addition, they compete in binding to this same molecule
The decomposition of N2O5 is a first-order reaction: N2O5 ? 2NO2 + ½ O2. At 25 °C, it takes 5.2 h for the concentration to drop from 0.120 M to 0.060 M. Calculate the rate constant for the decomposition of N2O5.
Octane ratings are assigned to gasoline mixtures based on their ability to prevent knocking relative to isooctane. Estimate the energy released during the combustion of 1.00 mol of pure isooctane.
Consider a reaction for which DeltaS is positive and DeltaH is negative. Discuss briefly the conditions under which this reaction will NOT BE spontaneous.
consider the following reaction3caco3 2fepo4 ca3po42 fe2co33a which of the following reagents is the limiting
Acetylene gas (C2H2) burns with oxygen in an oxyacetylene torch to produce carbon dioxide, water vapor, and the great heat needed for welding metals. The heat of combustion of acetylene is 1259 kJ/mol.
separation of acetone from water by using mibk.a stream containing 30 wt acetone and the balance water is to be
Define to me in Sn1 and Sn2 reactions what is R group and what is an RX substrates? As well give an example and labeling what the R group is and RX substrate.
A copper, Cu(s), electrode is immersed in a solution that is 1.00 M in ammonia, NH3, and 1.00 M in tetraamminecopper(II), [Cu(NH_3)_4]^{2+}. If a standard hydrogen electrode is used as the cathode, the cell potential, E_cell, is found to be 0.076 ..
Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal from further corrosion.
When heated, all metallic hypochlorites decompose and produce oxygen. Considering this, what happens when the decomposition reaction occurs at an incident involving fire? Please reference your answer and tell me why.
using a nitrogen gas sample in a container with capacity 1.64 litres a pressure of 121 atm is exerted by this gas
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