2.2 A student heated zinc powder in air. The equation for the reaction that happened is shown below
2Zn, +0. 2Zno
The student weighed the mass of the powder before and after the reaction
Describe the change that would hhappen to the mass of the powder during the reaction,
Explain this change using ideas from the particle model.
Answers: 1
Another question on Chemistry
Chemistry, 21.06.2019 14:50
What type of reaction is illustrated? 2c12o5 = 2cl2 + 502
Answers: 2
Chemistry, 21.06.2019 15:10
Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.
Answers: 3
Chemistry, 21.06.2019 18:20
Complete the table for ion charge based upon their losing or gaining electrons in the outer shell. (use the periodic table as necessary.) group most likely ionic charge # of valence electrons i +1 ii +2 iii +3 iv +4 or -4 v -3 vi -2 vii -1 viii 0
Answers: 2
You know the right answer?
2.2 A student heated zinc powder in air. The equation for the reaction that happened is shown below...
Questions
Mathematics, 22.01.2021 17:30
Mathematics, 22.01.2021 17:30
English, 22.01.2021 17:30
Social Studies, 22.01.2021 17:30
French, 22.01.2021 17:30
Mathematics, 22.01.2021 17:30
Chemistry, 22.01.2021 17:30
Computers and Technology, 22.01.2021 17:30
Mathematics, 22.01.2021 17:30
English, 22.01.2021 17:30
