When does phenolphthalein turn pink?
a) in the presence of a base
b) in the presence of...
Chemistry, 24.08.2019 03:50 princessroyal
When does phenolphthalein turn pink?
a) in the presence of a base
b) in the presence of an acid
c) when it is in a neutral solution
d) when it is reacting with a metal
Answers: 2
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Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.
Answers: 2
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Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump
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When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?
Answers: 1
Chemistry, 22.06.2019 16:00
No copying 15 pts how does a free-body diagram tell you about the net force on an object?
Answers: 2
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