Chemistry, 27.01.2020 17:31, Heartlesskiidkii
What property of a solution causes an acid–base indicator to change to different colors?
it can be used to predict atomic behavior in most circumstances.
it has been perfected and will never be changed in the future.
it is only accepted by a small fraction of scientists.
it is only useful in very specific circumstances.
Answers: 3
Chemistry, 22.06.2019 07:20, mathman783
Why does his teacher ask him to balance the equation by including the correct coefficient
Answers: 1
Chemistry, 22.06.2019 13:50, kelonmazon2492
Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
Answers: 3
Chemistry, 23.06.2019 00:00, alisonsolis155
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
What property of a solution causes an acid–base indicator to change to different colors?
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