hardequalsmath
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Questions Asked

hardequalsmath:
Group Title
simplify 3 3/12
 updated 25 days ago
 No Medals Yet
Mathematics

hardequalsmath:
Group Title
simplify 3 and 3/12
 updated 25 days ago
 No Medals Yet
Mathematics

hardequalsmath:
Group Title
What is the standard cell potential obtained from a cell at 25°C that consists of one electrode in which aqueous mercury (I) ion is in conta…
 updated 3 months ago
 1 reply
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Mathematics

hardequalsmath:
Group Title
NOCL decomposes to form nitric oxide and chlorine, all in the gaseous state. At a given temperature 0.150 moles of nitric oxide gas, .100 mo…
 updated 4 months ago
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Mathematics

hardequalsmath:
Group Title
NOCL decomposes to form nitric oxide and chlorine, all in the gaseous state. At a given temperature 0.150 moles of nitric oxide gas, .100 mo…
 updated 4 months ago
 3 replies
 No Medals Yet
Mathematics

hardequalsmath:
Group Title
A private shipping company will accept a box for domestic shipment only if the sum of its length and distance around does not exceed 108 in.…
 updated 4 months ago
 No Medals Yet
Mathematics

hardequalsmath:
Group Title
Determine the critical values: 2x^264sqrt(x)
 updated 4 months ago
 35 replies
 2 Medals
Mathematics

hardequalsmath:
Group Title
Determine the critical values:
2x^364sqrt:x
 updated 4 months ago
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Mathematics

hardequalsmath:
Group Title
The concentration of hydronium ion in a solution is 2 x 10
4
M. What is the hydroxide ion
…
 updated 4 months ago
 9 replies
 4 Medals
Mathematics

hardequalsmath:
Group Title
Ammonia, NH3, is a weak base with a Kb value of 1.8×10−5. What is the pH of a 0.440M ammonia solution? What is the percent ionization of amm…
 updated 4 months ago
 5 replies
 3 Medals
Mathematics

hardequalsmath:
Group Title
NH4HS(s)⇌NH3(g)+H2S(g)
This reaction has a Kp value of 0.120 at 25 ∘C. An empty 5.00L flask is charged with 0.400g of pure H2S(g), at 25 ∘…
 updated 4 months ago
 1 reply
 1 Medal
Mathematics

hardequalsmath:
Group Title
What is the final concentration of D at equilibrium if the initial concentrations are [A] = 1.00M and [B] = 2.00M ?
kc=3.3
 updated 4 months ago
 1 reply
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Mathematics

hardequalsmath:
Group Title
For the reaction
2CH4(g)⇌C2H2(g)+3H2(g)
…
 updated 4 months ago
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Mathematics

hardequalsmath:
Group Title
A mixture initially contains A, B, and C in the following concentrations: [A] = 0.350M , [B] = 0.950M , and [C] = 0.650M . The following rea…
 updated 4 months ago
 No Medals Yet
Mathematics

hardequalsmath:
Group Title
Given the two reactions
PbCl2⇌Pb2++2Cl−, K3 = 1.83×10−10, and
…
 updated 4 months ago
 1 reply
 1 Medal
Mathematics

hardequalsmath:
Group Title
if a reaction is endothermic and nonspontanous at 298 k then why is it safe to say that it may be spontaneous at higher temperatures?
 updated 5 months ago
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Mathematics

hardequalsmath:
Group Title
Explain!!!!!
for a given reaction at 298k, the enthalpy of reaction is +35.5kj and the entropy of reaction +83.6J/mol*k. The reaction is sp…
 updated 5 months ago
 2 replies
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Mathematics

hardequalsmath:
Group Title
find derivative:
y=(9x+4)^x
 updated 5 months ago
 23 replies
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Mathematics

hardequalsmath:
Group Title
Hydrogen gas and bromine vapor react to form gaseous hydrogen bromide at 1300 K. The value of the equilibrium constant is 1.6 x 105. What is…
 updated 5 months ago
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Mathematics

hardequalsmath:
Group Title
Hydrogen gas and bromine vapor react to form gaseous hydrogen bromide at 1300 K. The value of the equilibrium constant is 1.6 x 105. What is…
 updated 5 months ago
 7 replies
 2 Medals
Mathematics

hardequalsmath:
Group Title
Hydrogen gas and bromine vapor react to form gaseous hydrogen bromide at 1300 K. The value of the equilibrium constant is 1.6 x 105. What is…
 updated 5 months ago
 No Medals Yet
Mathematics

hardequalsmath:
Group Title
Carbon disulfide and chlorine react according to the following equation:
…
 updated 5 months ago
 8 replies
 1 Medal
Mathematics

hardequalsmath:
Group Title
differentiate:
y=(sqrt:x)*e^x^2x*(x+1)^2/3
find using ln
 updated 6 months ago
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Mathematics

hardequalsmath:
Group Title
differentiate:
y=ln(e^x+xe^x)
 updated 6 months ago
 20 replies
 1 Medal
Mathematics

hardequalsmath:
Group Title
differentiate:
1/lnx
this one has me stuck!!
 updated 6 months ago
 14 replies
 2 Medals
Mathematics

hardequalsmath:
Group Title
differentiate:
…
 updated 6 months ago
 4 replies
 1 Medal
Mathematics

hardequalsmath:
Group Title
find all points ob the curve x^2y^2+xy=2
where the slope of the tangent line is 1. Ok so i know you find y prime first, but then what? Tha…
 updated 6 months ago
 41 replies
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Mathematics

hardequalsmath:
Group Title
differentiate:
y=arctan(sqrt:(1x/1+x))
 updated 6 months ago
 40 replies
 1 Medal
Mathematics

hardequalsmath:
Group Title
The activation energy of a certain reaction is 76.7 kJ/mol. How many times faster will the reaction occur at 50°C than at 0°C, assuming equa…
 updated 6 months ago
 1 reply
 No Medals Yet
Mathematics

hardequalsmath:
Group Title
HELP with Arrhenius eq.
http://www.youtube.com/watch?v=G7g0Wa4oFsk
…
 updated 6 months ago
 3 replies
 1 Medal
Mathematics
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