Chemistry, 23.10.2021 17:30 ghari112345
An iron ore sample is found to be 35.00% Fe by mass. How many grams of ore are needed to obtain 454.0 g of Fe?
Answers: 3
Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
Chemistry, 22.06.2019 21:30
What is the effect of returning nuclear reactor cooling water back into bodies of water?
Answers: 3
Chemistry, 22.06.2019 21:50
Given the data below for the reaction, 2 a + 2 b + 4 c => d + e + 3 f, the reaction is fill in the [ ] order in a, fill in the [ ] order in b, fill in the [ ] order in c and fill in the [ ] order overall. (use the words "first, second, third, fourth" to fill each blank)experimentinitial conc of a, mol/l initial conc of b, mol/l initial conc of c, mol/l initial rate, mol/l.s1 0.1 0.1 0.2 2 x 10-32 0.2 0.3 0.2 6 x 10-33 0.3 0.1 0.2 2 x 10-34 0.4 0.3 0.4 1.2 x 10-2
Answers: 2
An iron ore sample is found to be 35.00% Fe by mass. How many grams of ore are needed to obtain 454....
Mathematics, 28.07.2019 10:00
Mathematics, 28.07.2019 10:00
Mathematics, 28.07.2019 10:00
Mathematics, 28.07.2019 10:00
Mathematics, 28.07.2019 10:00
English, 28.07.2019 10:00
History, 28.07.2019 10:00
Advanced Placement (AP), 28.07.2019 10:00