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Anna has helped students
times in
Activity
Summary of contribution activity by day
Anna
Anna joined Socratic 3 months ago. Anna hasn't written a biography yet.
Activity
43 Asked
@anna-67
Anna
asked the question
What is the rate of reaction in terms of the appearance of product C between time = 0 s and time = 20 s?
.
2 days ago
·
Like
@anna-67
Anna
said thanks for an answer to
Find the mass of urea, #"CO"("NH"_2)_2#, needed to prepare #"49.0 g"# of a solution in water in which the mole fraction of urea is #7.58 * 10^(âˆ’2)#?
.
1 week ago
·
Like
@anna-67
Anna
asked the question
What was the applied pressure at the end of this process if the final concentrations of the solutions were 0.044 M and 0.160 M at a temperature of 23 âˆ˜C?
.
1 week ago
·
Like
@anna-67
Anna
asked the question
Find the mass of urea, #"CO"("NH"_2)_2#, needed to prepare #"49.0 g"# of a solution in water in which the mole fraction of urea is #7.58 * 10^(âˆ’2)#?
.
1 week ago
·
Like
@anna-67
Anna
commented
I only got that the answer was wrong. It doesn't provide reasons as to why my answer was wrong
on
How many grams of ice at -13.1 âˆ˜C can be completely converted to liquid at 26.5 âˆ˜C if the available heat for this process is 5.52Ã—103 kJ ?
2 weeks ago
·
Like
@anna-67
Anna
commented
Both of those answers were still incorrect
@Victoria E.
on
How many grams of ice at -13.1 âˆ˜C can be completely converted to liquid at 26.5 âˆ˜C if the available heat for this process is 5.52Ã—103 kJ ?
2 weeks ago
·
Like
@anna-67
Anna
commented
This answer was incorrect
@Victoria E.
on
How many grams of ice at -13.1 âˆ˜C can be completely converted to liquid at 26.5 âˆ˜C if the available heat for this process is 5.52Ã—103 kJ ?
2 weeks ago
·
Like
@anna-67
Anna
asked the question
How many grams of ice at -13.1 âˆ˜C can be completely converted to liquid at 26.5 âˆ˜C if the available heat for this process is 5.52Ã—103 kJ ?
.
2 weeks ago
·
Like
@anna-67
Anna
asked the question
What is Î”H, for the process in which 36.5 g of water is converted from liquid at 17.9 âˆ˜C to vapor at 25.0 âˆ˜C ?
.
2 weeks ago
·
Like
@anna-67
Anna
asked the question
What is the #DeltaH_"vap"# for ethanol and propane?
.
2 weeks ago
·
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