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Tokey
Questions and answers by visitors named
Tokey
Questions (15)
could someone help me with this question?
A quantity of 400 mL of .6 M HNO3 is mixed with 400 mL of .3 M Ba(OH)2 in a constant
4 answers
4,951 views
Is there an equation used to fond remaining pressure
When CS2 at partial pressure 1930 torr reacts with H2 at partial pressure
3 answers
881 views
Is there an equation used to fond remaining pressure
When CS2 at partial pressure 1930 torr reacts with H2 at partial pressure
2 answers
533 views
When i try to do this problem by simply using a mole ratio, wiley keeps saying it's wrong, what mistake am i making?
If 0.800 mol
2 answers
519 views
When i try to do this problem by simply using a mole ratio, wiley keeps saying it's wrong, what mistake am i making?
If 0.800 mol
2 answers
563 views
I don't know if i am solving for the number moles of NaI correctly, i multiply .21 by 1.67, is that incorrect? i know that to
2 answers
627 views
does the mole ratio in this question affect the answer?
a 2:1 mixture of O3 and O2 is allowed to effuse through a pinhole in a
3 answers
561 views
this is a wiley plus problem and there is no reading lesson with this section so im not sure how to approach this question:
The
2 answers
501 views
This problem is from my chemistry book and I am having a little trouble with the intermediary steps:
Barium metal crystallizes in
3 answers
1,976 views
This is a balancing eqn Im finding rather tricky:
___Fe(NH4)2(SO4)2 6H2O + ___ H2C2O4 + ___K2C2O4 + ___ H2O2 ---> ___K5Fe1(C2O2)2
4 answers
678 views
Im not sure where to factor in the two longer compounds for this problem.
"Rank the given compounds based ontheir relative
4 answers
570 views
Organic chemistry:
an attempt at synthesizing a certain optically active compound resulted in a mixture of its enantiomers. The
3 answers
1,021 views
I understand generally how to solve, by taking natural logs and the the derivative, but i am confused by the presence of the 3
1 answer
370 views
The standard free energy of activation of one reaction is 94.3 kj/mol^-1 (22.54 kcal/mol^-1). The standard free energy of
2 answers
558 views
use the digits 1,2,3, and 4 to write a number in scientific notation that is close to .001
this was in a 7th grade algebra
5 answers
378 views
Answers (7)
okay thanks but that was wrong actually
my mistake, the first molecule in the products should be K3Fe(C2O4)3 3H20
has anybody done this? please share!
does anybody know the last pH calculation on number 4?? and anth is right
false false true is right
so the henderson eqn is: pH= pKa +log([conj. base]/[acid]) so do i have to look up pKa for NaOH and then how do i find the conjugate base concentration?
the answer is .918