20. In a lab experiment, we compare the rates of reactions between oxygen and a substance,
S, that oxidizes at room temperature. In Experiment 1, we expose 5 grams of S to the air.
In Experiment 2, we expose 5 grams of S to the air, but this time, S is ground into a powder.
What can we expect to observe, and why?
A. There will be no change in the reaction rates.
B. The reaction rate for Experiment 2 will be much slower due to increased surface area.
C. The reaction rate for Experiment 2 will be much faster due to increased surface area.
D. The reaction rate for Experiment 1 will be much faster due to concentration of reactants.
2006-08-27 12:19:21 · 5 answers · asked by terry b 2 in Education & Reference ➔ Homework Help
C
because increased surface means more S will come in contact with oxygen...thus S will be converted faster.
2006-08-27 12:23:02 · answer #1 · answered by chloe 4 · 1⤊ 0⤋
aww now... that's cheating.
I can't believe that anyone just gave you the answer like that. Without explaining it even.
I asked a question a couple of days ago,, and got the wrong answer. You better check it out anyway.
and it's 'homework helps' not 'homework cheats'
2006-08-27 12:27:31 · answer #2 · answered by mary_n_the_lamb 5 · 0⤊ 1⤋
you cut and pasted 20 questions from a book here.
do your homework
i pick A, two other people will pick B and C.
2006-08-27 12:25:02 · answer #3 · answered by Anonymous · 0⤊ 1⤋
The answer is always C!!!
2006-08-27 12:26:27 · answer #4 · answered by sportzman1991 2 · 0⤊ 1⤋
what grade are you in? im starting school soon also..im so excited!!
2006-08-27 12:25:01 · answer #5 · answered by Anonymous · 2⤊ 0⤋