Chemistry, 23.01.2022 01:00 deedivinya
A sample of Br2(g)Br2(g) takes 38.0 min38.0 min to effuse through a membrane. How long would it take the same number of moles of Ar(g)Ar(g) to effuse through the same membrane
Answers: 1
Chemistry, 22.06.2019 16:00
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
Chemistry, 22.06.2019 18:00
An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
Answers: 3
Chemistry, 22.06.2019 18:30
When a device is used in a circuit in which the voltage is 81 v the current flowing through the device is 3 a what is the resistance of the device
Answers: 2
A sample of Br2(g)Br2(g) takes 38.0 min38.0 min to effuse through a membrane. How long would it take...
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