Achemical reaction between iron atoms and oxygen molecules can only occur if
a) the par...
Chemistry, 01.01.2020 19:31, titofigueroa777
Achemical reaction between iron atoms and oxygen molecules can only occur if
a) the particles are heated
b) the atmospheric pressure decreases
c) there is a catalyst present
d) there are effective collisions between the particle
explain why the other choices are not necessary for the reaction to take place
Answers: 2
Chemistry, 21.06.2019 18:00, darg3990rgp2t0r2
Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.
Answers: 3
Chemistry, 22.06.2019 06:30, yolo123321
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
Answers: 2
Chemistry, 22.06.2019 14:00, asanchez4292
What type of matter is made of only one kind of atom
Answers: 2
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