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Mathematics, 02.10.2019 17:30 silvernekoo
Which of the statements below is/are not true? a a chemical equation describes quantities of substances consumed and produced by a chemical reaction. b. to balance a chemical equation means to determine the smallest positive integer numbers of molecules of each substance involved into the reaction c. to set up a linear system, we use the fact that the atoms are neither destroyed nor created in a chemical reaction. d a homogeneous linear system for balancing a chemical equation may have only the trivial solution. e. network flow assumption: the total flow in a network (or junction) is equal to the total flow out of the network (or junction)
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Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w โ0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?
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Which of the statements below is/are not true? a a chemical equation describes quantities of substa...
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