Mathematics, 25.11.2021 08:40, AutumnJoy12
Zn (s) + HCl (aq) β ZnCl2 (aq) + H2 (g) a) Balance the chemical equation b) Calculate the mass of zinc required to react with 19.1 mL of 2.36 M HCl solution.
Answers: 1
Mathematics, 21.06.2019 14:30, theworld58
Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighborβs kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?
Answers: 1
Mathematics, 21.06.2019 19:30, santileiva123199
Factor the following expression. 27y3 β 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y β 7)(9y2 + 2ly + 49) c. (3y β 7)(932 β 217 + 49) d. (3y + 7)(92 β 2ly + 49)
Answers: 1
Zn (s) + HCl (aq) β ZnCl2 (aq) + H2 (g) a) Balance the chemical equation b) Calculate the mass of zi...
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