Chemistry, 10.05.2021 01:50 goodschool93
"Calculate the pH of a 0.15 M NaOH solution AND classify the solution of acidic, neutral, and basic"
a. 0.82 basic
b.0.82 acidic
c. 13.2 basic
d. 13.2 acidic
Answers: 1
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What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable
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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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Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3
Answers: 3
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