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Identify the acid and base on the left side of following equations and identify their conjugate species on the right side. (Type your answer using the format (NH4)2CO3 for (NH4)2CO3, [NH4]+ for NH4+, and [Ni(CN)4]2- for Ni(CN)42-.)
(a) PO43- + H2O HPO42- + OH -(b) CO32-(aq) + H2O(l) OH -(aq) + HCO3-(aq) (c) H3PO4(aq) + NH3(aq) NH4+(aq) + H2PO4-(aq)
How many grams of lead chromate form when a 1.00-g sample of Pb(NO3)2 is added to 5.0 mL of 1.00 M K2CrO4 solution.
Calculate the fraction of Fluorine atoms at 1000 K in each of the first three electronic levels based upon the following data
The compound As2I4 is synthesized by reaction of arsenic metal with arsenic triiodide. If a solid cubic block of arsenic (d 5.72 g/cm3) that is 3.03 cm on edge is allowed to react
Suppose in universe Xacto matter is composed of protons, neutrons, and special matter X. For elements in a, design and draw a new periodic table that makes sense for this parallel universe.
Determine the empirical formula of a hydrocarbon which has 92.24% C and 7.76% H. If 0.500 g of this hydrocarbon occupies 0.086 L at STP, determine the molecular weight of the compound.
What is the percent by mass of oxygen in a gaseous mixture whose molar composition is 0.500% CO2 and 99.500% air? The composition of air is 21% mole O2
A 68.0 mL solution of 0.500 M Cd(NO3)2 is prepared. What mass of NaOH is needed to precipitate the Cd2+ ions from this solution?
A 952 cm3 container of gas is exerting a pressure of 108 kPa while at a temperature of 48 °C. Calculate the pressure of this same amount of gas in a 1236 cm3 container at a temperature of 64 °C.
does the HCl ionize the NH3 base? is the a conjugate acid or base, HCl is a strong acid, what happens when a strong acid and weak base are mixed?
Calcium hydride, CaH2, reacts with water to form hydrogen gas. CaH2(s) + 2 H2O(l) → Ca(OH)2(aq) + 2 H2(g)
In a reaction mixture at equilibrium, the partial pressure of NO is 119 torr and that of Br2 is 175 torr. What is the partial pressure of NOBr in this mixture? Kp=28.4 at 298 K.
Write the chemical equation for the overall reaction. (Part B) Identify any molecule that acts as a catalyst in this reaction. (Part C) Identify any molecule that acts as an intermediate in this reaction.
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