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ChemLover
Questions (9)
I know this is simple arithmetic but i just cant seem to figure out the proccess in how to figure it out.
X = 0.11X + 3.366 i
1 answer
395 views
Calculate the change in internal energy at 1 atm & 25°C.
H2 (g) + 1/2 O2 (g) ---> H2O (l) delta(H)= -286 KJ/mol Okay so i
1 answer
831 views
A sample of zinc metal reacts completly with an excess of hydrochloric acid:
Zn(s) + 2HCl(aq) --> ZnCl2(aq) + H2(g) The hydrogen
1 answer
1,205 views
Is the following reaction spontaneous at 25*C?
delta s reaction = -217 J/K*mol delta H rxn = -1202 KJ 2Mg (s) + O2 (g) -> 2MgO
2 answers
1,543 views
An element has ccp packing with face-centered cubic unit cell. Its density is 3.78 g/cm^3 and the unit cell volume is 2.31 x
1 answer
681 views
Silver crystallizes in a face centered cubic unit cell with an edge length of 0.40836 nm. Calculate the density of silver in
3 answers
636 views
What intermolecular force exists between the CH3CH2CH3 , CH4 , or the "CH3CH2"
end of the ethanol molecule and the water
3 answers
7,918 views
A 30.9 L cylinder containing C2H4F2 at a pressure of 114.0 torr is connected by a valve to 0.865 L cylinder containing C4H10 at
4 answers
542 views
An unknown was prepared with the concentration of 0.000630 M. A Beer's Law plot was prepared using the absorbance values from
2 answers
613 views
Answers (8)
nvm i figure it out :)
DS = -217 J/(K)mol DH = -1202 KJ -> -1202 x 10^3 J does this make any sense?
ohhhh never mind i forgot to multiply by 4....thank you
for some reason i keep getting 2.63 i got 1.79 x 10^-22 g / 6.823 x 10-23 cm^3 and i keep getting 2.63...what an i doing wrong???
ohhhh waitt nevermind i got it:)
thankk you sooo much but what is what is P2???
i just need to know how to solve it i already know the answer
0.98 is correct but the second part is not right
