All Questions
5 questions
4
votes
3
answers
1k
views
Does manganese reacts with water at "not" standard conditions?
In my answer, I stated that manganese is said to not react with water under normal conditions although some sources say it reacts with water to liberate hydrogen gas. Does it implies that it reacts ...
- 26.8k
0
votes
1
answer
607
views
Chemical Kinetics / Rate Question -- Error in Textbook Question/Answer?
I am reading Kaplan's General Chemistry MCAT Review 2018-2019, and think that one of its chemical kinetic questions is wrong. (Or perhaps I am simply missing something). I have attached an image of ...
- 17
3
votes
1
answer
10k
views
The "Ostwald Isolation Method": How does this work?
Recently started reading up on Chemical Kinetics, and I came across a certain "Ostwald Isolation Method" that figures in my school-issued workbook. Apparently, it's used to determine (...
- 18.8k
6
votes
2
answers
2k
views
Factors affecting mass of a gas-evolving reaction mixture over time
Excess magnesium was added to a beaker of aqueous hydrochloric acid on a balance. A graph of the mass of the beaker and contents was plotted against time (line 1).
What change in the experiment could ...
3
votes
2
answers
25k
views
Finding the average rate of consumption
The question is:
If $2.0 \cdot 10^{-4}$ moles of dye in $\pu{50 mL}$ of solution is consumed in 188 seconds, what is the average rate of consumption of dye in $\pu{mol L-1 s-1}$?
I am not sure if I ...
- 435