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ryancon
Questions (16)
Carnot refrigerator A has a 21 % higher coefficient of performance than Carnot refrigerator B. The temperature difference
0 answers
719 views
Write a balanced chemical equation of sodium borohydride (NaBH4) reacting with platinum chloride.
0 answers
598 views
Two effectively infinite and parallel sheets of charge are 6.00 cm apart. Sheet 1 carries a uniform surface charge density of
0 answers
727 views
Colorblindness is inherited as a sex-linked recessive disease. Let’s say an
affected male marries a heterozygous female. What
1 answer
1,981 views
I need help naming these structures.. I get very confused when there are parentheses with a subscript so can I get an
2 answers
638 views
"Cabbage leaves are coated with a hydrocarbon of molecular formula C29H60. What purpose might this hydrocarbon coating serve?"
Th
2 answers
994 views
Prove that "limit as n approaches infinity |x|^n/n! = 0 for all x"
We are finishing up Maclaurin series but I'm still having a
1 answer
582 views
Rank from highest to lowest acidity: V2O3, Ni2O3, MnO, ZnO, Cu2O
I feel like I've tried everything and I know there is a periodic
1 answer
602 views
We just had a lab where our objective was to find the molar mass of Copper using electrolysis. A question on my post lab asks:
Wo
3 answers
723 views
"A sample of 21.50 g of KHT is mixed with 1.000 L of pure water. After stirring the mixture for 30 minutes, there is still solid
3 answers
686 views
Explain with a chemical equation why the pH of the salt solution is or is not the same as pure water: NaCl, NaC2H3O2, NH4Cl
We're
1 answer
724 views
A student chemist used 2.0 x 10-3 M Fe(NO3)3 in 0.10 M HNO3 solution instead of 2.0 x 10-1 M Fe(NO3)3 in 0.10 M HNO3 solution in
1 answer
666 views
How would results from a kinetics lab differ if performed without a catalyst?
1 answer
380 views
AgNO3 + NaCl <--> AgCl + NaNO3
What happens when nitric acid (HNO3) is added to the reaction?
1 answer
1,178 views
Rate = k’[CV], where k’ = k[NaOH]y
Look at the graphs for Run 1 and Run 2 that pertain to the order of the reaction with
0 answers
510 views
Tf (acetic acid) = 16.1°C
Tf (with 3.00g of solute in 10.00mL of acetic acid) = - 2.5°C Use the data to calculate the molecular
3 answers
652 views
Answers (5)
Thanks for your response and writing it out definitely helped a lot. Would counting the number of C atoms present in the structure give the name of the structure (butane, pentane, etc.) or am I missing something?
Wouldn't I need to divide by 2 mol e^- to convert to moles of H^+?
Using four electrodes (two copper in the electrolytic cell, one copper and one zinc in the galvanic cell), we put them in CuSO4 solution for 45 minutes to see a redox reaction occur while measuring milliamps. The milliamps went from 30.4 initially to 30.9
Wow I did this thinking I did it wrong... After making my table and doing the calculations I ended up with 7.93 g/L from a Ksp of 1.18e-3. Does this sound right?
Could you please explain the steps? I am still unsure about what I am doing...
