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When aqueous solutions of cobalt (II) chloride and sodium hydroxide are mixed what precipitate forms?
calculate w for the following reactions that occur at 298k and 1 atm pressure, CO2(g) + NaOH(s) -> NaHCO3(s) and 3O2(g) -> 2O3(g)
The average January temperature in New Orleans is 56 F. The average July temperature is 83 F. Consider a house in the city that exchanges heat with the outside in accordance with the relation dq/dt = A(To - Ti).
In an ionic compound, the size of the ions affects the internuclear distance (the distance between the centers of adjacent ions), which affects lattice energy (a measure of the attractive force holding those ions together).
When using a spectrophotometer to determine absorbtivity of a group of different concentrations of a metallic ion, what is the reason for choosing a certain wavelength in nm
Draw all resonance structures for anisole to show why the methoxy group directs incoming electrophiles
Calculate the solubility-product constant for Nd2(CO3)3. Ksp = (c) The Ksp of Ga(OH)3 at 25 oC is 7.28e-36. What is the molar solubility of Ga(OH)3? solubility = mol/L
It takes 47 mL of 0.124 M KOH to neutralize 47.8 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in units of moles/liter
Calculate the pH of the solution after the addition of 0.100 mL NaOH. The Ka for HC2H3O2 is 1.8x10^-5.
What sign. info about atomic structure came from the Millikan experiment using charged oil drops
If the O2 gas present in 7.30 L at STP is changed to a temperature of 17 degrees Celsius and a pressure of 788 Torr, what will be the new volume?
Zingerone (responsile for the pungent taste of ginger) is a naturally occurring compound, What orbitals are used to form the indicated bond? H3C-O
A solution contains 0.22 M CaCl2 and 0.12 M MgCl2. What concentration of hydroxide ions would be required to separate the magnesium as Mg(OH)2 without precipitating the calcium as Ca(OH)2?
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