What is the formula for Kirchkoffs current law?
469104
The algebraic sum of the currents entering a node is equal to zero. Where current entering is positive and exiting is negative (or vice versa). In other words, what comes in must come out.\nNote: this is only true for DC signals.
744648
Use Gibbs free energy equation\n\nDeltaG=DeltaH - TDeltaS\n\nYou want Delta G to be negative so if Delta H positive then you need a greater TDeltaS \nDelta S is -25 so in order for the reaction to be spontaneous the T has to be less than zero
958888
Use the formula:\nQ (heat) = Cp (Heat Capacity) * delta T (Change in Temperature)
342463
HCO3(-) <---> H(+) + CO3(2-) (Sodium ions are spectators.)\n\npH can be determined by either using the normal Ka expression:  Ka = 5.6 x 10^-11 = [H(+)][CO3(2-)]/[HCO3(-)]\n\nor by the Henderson-Hasselbach equation:\npH = pKa + log [CO3(2-)]/[HCO3(-)]
688944
View source of the that page.\nYou will see the formulas.
994673
I am not sure of the final answer you are looking for.  If you are looking for the number of molecules transferred after a certain time t, the answer is simply n=-DAt(dc/dz).  This of course assumes that dc/dz remains relatively constant.  If not you will need a dc/dz as a function of t.
811861
KCl(s)  ---->  K+(aq)  +  Cl-(aq)
909738
It will rotate about the center of mass O at d/2\ncalculate the moment or inertia about  O, include both mass and both rods. see link for formulas if you don't know how\nhttp://en.wikipedia.org/wiki/Moment_of_inertia\nThe formula for KE is also there
32631
There are actually four laws:\n\nZeroth Law: "If two thermodynamic systems A and B are in thermal equilibrium, and B and C are also in thermal equilibrium, then A and C are in thermal equilibrium."\n\nFirst Law: "The increase in the internal energy of a system is equal to the amount of energy added to the system by heating, minus the amount lost in the form of work done by the system on its surroundings."\n\nSecond Law: "The total entropy of any isolated thermodynamic system tends to increase over time, approaching a maximum value."\n\nThird Law: "As a system approaches absolute zero of temperature all processes cease and the entropy of the system approaches a minimum value or zero for the case of a perfect crystalline substance."
87280
MBrO3-9H2O where M can be Na,K,Li, other +1 cations\n\nIf M is other than these you have to adjust subscripts
663777
SOrry, I can't help you. If I had the formulas I could do it, but there is no way I remember that off the top of my head! Good luck
948228
D =M/V\n\nM=DV\n\nV=M/D
847480
Q = m * Cp * DeltaT.\n\nPlug the numbers in.  Get Cp from your book.
623454
Look up Bernoulli's Equation.
743385
Cl2 + 2 KI → I2 + 2 KCl
321421
0.215 kL = 215L\n(1kL = 1000L)
182644
° K = ° C + 273.\n\nIn this case:\n\nK=5C+273\nK=278