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Calculate the pH of each solution given the following [H3O+]or [OH-] values. Express your answer using two decimal places.
Part A: [H3O+] = 5.0×10?8 M Part B: [H3O+] = 4.5×10?6 M Part C: [OH-] = 3.0×10?2 M Part D: [OH-] = 8.0×10?3 M Part E: [H3O+] = 4.8×10?2 M Part F: [OH-] = 3.5×10?6 M
Given the unbalanced equation: Ag2CO3 ® Ag + O2 + CO2, how many moles of Ag can be produced from 2.5 moles of Ag2CO3.
a sample of hydrogen gas initially at 29C and 7.0 L iscooled until its final volume is 2.9 L. What is its final temperature
how many mols of H 2 can produce
Propane (C3H8) is widely used in liquid form as a fuel for barbecue grills and camp stoves. For 76.6 g of propane, determine the following, in 4 significant figures.
When CH3OH(l) boils at its normal boiling point, does its entropy increase (+) or decrease (-)? Use the (+) or (-) in the box. (b) What is the entropy change
In the near future, the college will attempt to reduce the cost of chemicals used in campus laboratories. One option suggests the chemistry department use household chemicals instead of expensive laboratory grade materials were ever possible.
Consider the standard cell at 25C based on the following half-reactions. Pb^2+ + 2e^- --> Pb E=-0.13V Zn^2+ + 2e^- --> Zn E=-0.76V To the standard cell, OH-, is added to the zinc compartment causing precipitation of Zn(OH)2. After precipitation is..
When ethylamine, a weak base (Kb=4.3E-4), reacts with the formic acid, a weak acid (Ka=1.8E-4), the following reaction takes place: Calculate K for this reaction.
What is the concentration of lead ions and sulfide ions in a saturated solution of lead sulfide(PbS) solution at 25 degrees Celsius? (Ksp=3.0x10(to the -10 power)
Write and equation that represents the reaction of 2% ethanolic PBP solution with 4-methylcyclohexene and name the product
For a mass of 0.010 g Mg and 5.0 mL of 1.00 M HCl, calculate the partial pressure of the resulting H2(g) in a flask with V = 145 mL at 25?C.
In the formation of the glyptal resin, when the reaction appears to boil, what substance is actually boiling off. What is the purpose of the NaOH in the nylon experiment
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