Posts by pal

Total # Posts: 10

calculus help thanks!
The gas law for an ideal gas at absolute temperature T (in kelvins), pressure P (in atmospheres), and volume V (in liters) is PV = nRT, where n is the number of moles of the gas and R = 0.0821 is the gas constant. Suppose that, at a certain instant, P = 8.0 atm and is ...

maths-urgently needed
Isosceles

science, chemestry
Remember E(photon) = E(electron)+E(Binding) Look also for deBroglie wave.

Chemistry
Remember E(photon) = E(electron)+E(Binding) Look also for deBroglie wave.

chimistry
Remember E(photon) = E(electron)+E(Binding) Look also for deBroglie wave.

chimistry
Look for Lecture S6E4, its the same, the difference is that they are asking you for lamda in the exam instead of the velocity in the lecture. Hope that this helps.

chemistry
Just look at online reading #1. Its a Haber - Born cycle but instead of Na (sodium) they give you Rb. Hope that this help.

ELA (CHECK)2
d would be correct (I think)

chem
Consider the reaction that occurs on mixing 50.0 mL of 0.560 MNaHCO3 and 50.0 mL of 0.400 M NaOH at25oC. (a) Write a balanced net ionic equation for thereaction. (b) What is the pH of the resulting solution?

chem
Consider the reaction that occurs on mixing 50.0 mL of 0.560 MNaHCO3 and 50.0 mL of 0.400 M NaOH at25oC. (a) Write a balanced net ionic equation for thereaction. (b) What is the pH of the resulting solution? (c) How much heat (in joules) is liberated by thereaction? (standard ...

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