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Chemistry, 22.06.2019 19:30
Use the periodic table to find the molar mass of each element. molar mass h = g/mol molar mass s = g/mol molar mass o = g/mol
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Chemistry, 22.06.2019 21:00
One similarity and one difference between an element and a mixture of elements
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Na chemical reaction, activation energy increases the of the reactants. this outcome causes the particles to collide, which results in the of new products.
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Chemistry, 23.06.2019 04:31
Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.
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How much force is needed to accelerate a 56 kg skier at 3 m/s?...
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