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Is it essential to know the exact volume of water utilized to dissolve the KHP when setting up the titration? Why or why not?
Consider the following compounds and suppose that 0.5M solutions are prepared of each:Nal, NH4Br, KF, KCN, KC2H3O2, CsNO3, and KBr. Write the formulas of those that have solutions that are A) acidic B)basic and C) Neutral
What volume of O2 gas (in L), measured at 782 mmHg and 25C is required to completely react with 53.2 g Al
calculate the amount of heat required to completely sublime 34.0g of solid dry ice at its sublimation temperature. the
Write a chemical equation describing the condensation process for CO2 and a chemical equation describing the freezing process for CO2. For each process discuss the change in enthalpy and entropy that occurs.
When 2 moles of Mg3N2 are allowed to react with water to form ammonia gas and magnesium oxide, how many moles of H2O are required?
Explain what volume will 500mL of a gas at 20 degrees C as well as a pressure of 420 mm Hg live in if the temperature is reduced to -80 degrees C as well as the pressure increased to 650 mm Hg
A solution may contain any of the Group III cations. Treatment of the solutio with CIO- in alkaline medium yields a yellow solution and a colored precipitate.
Which statement best describes the polarity of CF2Br2. The molecule is always nonpolar The molecule is always polar Depending on the arrangement of outer atoms, this molecule can be polar or non polar
Tungsten is usually produced by the reduction of WO3 with hydrojen as shown by the equation; WO3(s) + 3 H2(g) ? W (s) + 3 H2O (g) The enthalpy for the reaction,(delta H rxn ) ?H°rxn is + 114.5 kj. The entropy for the reaction (Delta S rxn) ?S°rxn i..
If a 2.490 mol quantity of NOCL was primarily placed in a 1.450 L reaction chamber at 400 C. After equilibrium was established it was found that 25.10 percent of the NOCL had dissociated. Compute the equilibrium constant Kc.
How would doubling the concentration of the nucleophile affect the rate of the reaction in which t-amyl chloride is prepared from t-amyl alcohol via a unimolecular nucleophilic substitution. Explain. What effect would a more polar solvent have on ..
A complex of correctly written formula [Pt(NH3)3Br]Br·H2O has which set of ligands in its inner coordination sphere. A) 3 NH3 and 2 Br- (B) 3 NH3, 1 Br--, and 1 H2O C) 3 NH3, 2 Br-, and 1 H2O (D) 3 NH3 and 1 Br-
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