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Chemistry, 15.04.2020 21:27, olivya2005d
The less energy a wave has, the greater its amplitude. True or False
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Chemistry, 22.06.2019 06:30, cadenhuggins2
Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?
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Chemistry, 22.06.2019 21:40, k3rbycalilung
Tooth enamel consists mainly of the mineral calcium hydroxyapatite, ca_10(po_4)_6(oh)_2. trace elements in teeth of archaeological specimens provide anthropologist with clues about diet and diseases of ancient people. students at hamline university measured strontium in enamel from extracted wisdom teeth by atomic absorption spectroscopy. solutions with a constant total volume of 10.0 ml contained 0.726 mg of dissolved tooth enamel plus variable concentrations of added sr. added sr find the concentration of sr in the 10 ml sample solution in parts per billion = ng/ml. find the concentration of sr in tooth enamel in parts per million = mu g/g.
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Chemistry, 23.06.2019 07:00, jstyopin
In order for a high temperature boiler or steam engine to produce superheated water, or steam: the heat source must be greater than 100Ā°c the water must be permitted to evaporate quickly the system must be sealed and become pressurized above atmospheric pressure the vapor pressure must be kept below 760 mm(hg)
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The less energy a wave has, the greater its amplitude. True or False...
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