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Predict whether a precipitation reaction will occur when aqueous solutions of the following substances are mixed:
a) MnCl2 + Na2S
b) HNO3 + CuSO4
c) Hg(NO3)2 + Na3PO4
d) Ba(NO3)2 + KOH
Why E2 is favored over SN2, Sn2 requires a strong nucleophile while E2 requires a strong base. But relatively compared if you have a very strong base the E2 is preferred. Why is it so?
A 100. mL sample of 0.10 M HCl is mixed with 50. mL of 0.12 M NH3. What is the resulting pH?(kB FOR NH3= 1.8 x 10^-5)
Of the two materials VO and NiO, which would be expected to exhibit more metallic properties?
What is the value of Î"Go in kJ at 25 oC for the reaction between the pair: I2(s) and Br-(aq) Use the reduction potentials for I2(s)
the mass spectrum determined the molecular weight of mehtyl salicylate to be 125.15 g/mol. What is the molecular formula of methyl salicylate?
The phosphorous anion (P-) has how many total electrons and how many valence electrons?
Consider the equation A(aq) + 2B(aq) -> 3C(aq) + 2D(aq). In one experiment, 45.0 mL of 0.050 M A is mixed with 25.0 mL 0.100 M B. At equilibrium the concentration of C is 0.0410 M. Calculate K.
If 5.28 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
When 5.0 g of CaCl2 was dissolved in 50ml of water in a coffee cup calorimeter, the temperature of the solution rose from 22.3 C to 30.5 C. What is the q solution in Joules and what is the q rxn in Joules?
The resulting mixture exerts a pressure of 745 mm Hg at 95 C. What was the mass of the original sample?
Bromine can be obtained from the decomposition of calcium bromide by means of electrolysis. If 10.0 g of calcium bromide are dissolved in water
The first-order decomposition of N2O5 proceeds as follows: 2 N2O5 (g) → 4 NO2 (g) + O2
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