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write the corresponding ionic and net ionic equations after Balancing these given equations: a. HClO4 + Mg(OH)2 → , b. HBr + NH3 →,c. Ba(OH)2 + H3PO4 →?
Identify the acid-base conjugate pairs in each of these given reactions: a. HCO3- + HCO3- ? H2CO3 + CO3-2, b CH3COO- + HCN ? CH3COOH + CN-,c. HClO + CH3NH2 ? CH3NH3+ + ClO-,d. CO32- + H2O ? HCO3- + OH-, e. H2PO4- + NH3 ? HPO42- + NH4+?
A gas occupies a volume of 380. ml at 135 °C? At what temperature will the volume of the gas be equal to 535 ml?
How much heat is gained by copper when 51.8 g of copper is warmed from 15.5*C to 76.4*C? The specific heat of copper is 0.385 J/(g x *C)
What is the change in the volume of the balloon as it ascends to 7000ft?
when 7.50g of magnesium reacts with 9.50g hydrochloric acid, hydrogen gas is formed. what is the limiting reagent?
Draw the Lewis structures for the following compounds to assist you in answering this question. 1) CBr2H2 2) BH3 3) XeCl4 4) SF4 5) HCl Which compound has no lone pairs
Consider the reaction of 25.0 mL of 0.20 M AgNO 3(aq) with 25.0 mL of 0.20 M NaBr(aq) to form AgBr(s) at 25 °C. What is ?G for this reaction? The K sp of AgBr is 5.0 x 10 -13 at 25 °C.
Some wastewater has a BOD5 of 150 mg/L. The reaction rate is 0.23/d. What is the ultimate carbonaceous BOD
Molecule with 3 single bonds and 1 lone pair of electrons around the central atom is predicted to have what type of molecular geometry? d. which of the following molecules is polar? PBr5, CCl4, BrF5, XeF2, XeF4 e. a sp3d hybridized central atom ha..
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5.
What is the empirical formula of a hydrocarbon which produces 2.703 g CO2 and 1.108 g H2O
Consider the titration of 40.0 mL of 0.050 M of the fully protonated form of tryptophan with 0.10 M KOH. Calculate the pH of the solution at the following points
Determine the molar mass of aspartame and How many moles of molecules are in 10.0g of aspartame?
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