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Problem- For the reaction calculates how many moles of the product form when 0.031mol of O2 completely reacts. Assume that there is more than enough of the other reactant. 2Ca(s) + O2(g) 2CaO(s)
Here is the problem which I am struggling on, please help me
Determine the following characteristics of the titration curve for 20.0 mL of 0.20 m NH3(aq) tiltreated with 0.25 m HI(aq) A) The initial pH B) The volume of 0.30 M HI at the equivalence point c) The pH at the half equivalence point
A certain reaction has an activation energy of 61.0 kJ/mol and a frequency factor of A1 = 2.00×10^12M^-1s^-1. What is the rate constant, k, of this reaction at 29.0 degrees celsius
Its concentration can be reduced by increasing the percent excess air fed to the furnace. Believe of at least two costs of doing so. The heat released by the combustion goes into heating the combustion products as well as the higher the combustion..
Calculate the molality of a solution that is prepared by mixing 25.5 Ml of CH3OH (d=0.792 g/ml ) and 387 mL of CH3CH2CH2OH ( d=0.811g/mL
Diffussion controlled electrolysis proceeds on (a) planar and (b) spherical electrode under the conditions: n = 1, C = 1 mM, A= 0.04 cm^2, D = 1.5x10^-5 cm^2/s.
an unknown cu2 sample gave an absorbance of 0.262 in an atomic absorption analysis. then 1.00 ml of solution containing
Now calculate the amount of moles of NaHSO4(s) to be dissolved in the system to lower the pH to 2.40. Include the rxn equations that take place.
Calculate the pH of a 0.40 M H2SO3, solution that has the stepwise dissociation constants Ka1 = 1.5 × 10-2 and Ka2 = 6.3 × 10-8.
The isothermal reversible expansion at room temperature of one mole of an ideal gas from 2L to 3L. (Answer: 3.4 J/K) b. One mole of ice at 265K is melted under usual lab conditions to form water at 329K.
how to draw the Lewis Structure for this. The complete questions says: "Lithium aluminum hydride, LiAlH4, contains both ionic
Tartaric Acid is a diprotic acid with ka1=1.0*10^-3 and ka^2=4.6*10^-5. Calculate the concentration of tartarate ion, C4H4O62-, present in 0.015 M aqueous H2C4H4O6 soultion
A helium-filled balloon has a volume of 2.75 L at 17 C. The volume of the balloon decreases to 2.36 L after it is placed outside on a cold day. What is the outside temperature in K?
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