Chemistry, 10.06.2021 01:00 bloodyflower2003
A scientist use a filter weighing 4.020 grams to collect particles. After pumping 750mL of air through the filter, it weighed 4.031 grams. What was the concentration of particle mass in the processed air, in milligrams per liter (mg/L)?
Answers: 3
Chemistry, 21.06.2019 22:30
Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l
Answers: 2
Chemistry, 22.06.2019 04:30
This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?
Answers: 1
Chemistry, 22.06.2019 14:30
According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.
Answers: 1
A scientist use a filter weighing 4.020 grams to collect particles. After pumping 750mL of air throu...
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