How many electrons can the n=4 shell hold?

a. 8b. 16c. 32d. 64?

What elements are in the phone screen?

Why do water and hydrogen peroxide have different properties

Where does the peak intensity need to fall on the spectrum for a very intense star?

Given the balanced reaction CH4 + 2O2 - > CO2 + 2H2O2 How many moles of oxygen are needed to completely react with 1 mole of CH4? 2 moles 4 moles 1 mole 0.5 moles

At a given temperature, you have a mixture of benzene (vapor pressure of pure benzene = 745 torr) and toluene (vapor pressure of pure toluene = 290 torr). The mole fraction of benzene in the vapor above the solution is 0.590.

You are about to open a container of soy milk but notice that there are instructions to "shake well before serving." the soy milk is most likely a

Give reason: a. Fractionating columns with beads are used for fractional distillation b. Crystallisation is a better technique than evaporation

How can a gardener remedy soil that is overly acidic?

True or false everything has the same amount of energy?

4NH3 (g) + 502 (g) - >6H20g) + 4NOg) What is the enthalpy change for this reaction?