Chemistry, 09.04.2020 02:54 Gkenneth2017
Fatty acids spread spontaneously on water to form a monomolecular film. A benzene solution containing 0.10 mm cubed of stearic acid is dropped into a tray full of water. The acid is insoluble in water, but spreads on the surface to form a continuous film covering an area of 400. cm squared after all of the benzene has evaporated. What is the average film thickness in (a) nanometers and (b) angstroms?
Answers: 2
Chemistry, 21.06.2019 18:30, ciarakelly636owuiup
Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?
Answers: 1
Chemistry, 22.06.2019 03:00, bobbycisar1205
How does a hydroelectric power plant converts energy into energy.
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Chemistry, 22.06.2019 09:10, aleilyg2005
Select the correct answer from each drop-down menu. describe what happens to a carbon-11 atom when it undergoes positron emission. the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons
Answers: 3
Fatty acids spread spontaneously on water to form a monomolecular film. A benzene solution containin...
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