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What is the intact compound equation and the net ionic equation for the neutralization of aqueous hydrofluoric acid by aqueous calcium hudroxide?
Predicting nuclear stability is important when determining whether or not a nuclear reaction can take place spontaneously. Use the following set of guidelines to predict the nuclear stability of the elements listed below. Stable nuclei have a high ne..
A cube of metal has a mass of 0.321 kg and measures 3.05 cm on a side. Calculate the density and identify the metal.
A solution containing 100 g of an unknown liquid and 900 g water has a freezing point of - 3.33 oC. What is the molar mass of the liquid? Kf = 1.86oC/m
what is simple experiment can be performed to confirm that baking soda changes
The reaction of boron with carbon monoxide produces compounds with these skeletal structures: B--B--C--O and O--C--B--B--C--O. For each of these compounds, draw the lewis structure that minimizes formal charges.For each compound select the atoms t..
Mass of isopentyl acetate formed at equilibrium is 126.68. Q: how much isopentyl acetate lost from theoretical yield by incomplete equilibrium.
Describe, with equations, how a solution of sodium cyanide, NaCN, with hydrogen cyanide, HCN, functions as a buffer
a 1.50 l buffer solution is 0.250 m in hf and 0.250 m in naf. calculate the ph of the solution after the addition of
Glucose is much more soluble in water than 1-hexanol even though both have 6 carbons. Explain
If the propanoate ion comes from strontium propionate, Sr(C3H5O2)2 then how many grams of strontium propanoate are needed? Assume it is completely soluble.
the compounds magnesium oxide (MgO) and calcium sulfide (CaS) is 82.1% by mass calcium sulfide . The compound calcium sulfide is 55.6% by mass calcium. Calculate the mass (g) of calcium in the mixture.
Which one of these equations describes a redox reaction. 2Al+3H2SO4(aq)-->Al2(SO4)3(aq)+3H2(g), 2KBr(aq)+Pb(NO3)2(aq)-->2KNO3(aq)+PbBr2(s), CaBr2(aq)+H2SO4(aq)-->CaSO4(s)+2HBr(g), H+(aq)+OH-(aq)-->H2O(1), CO.-(aq)+HSO4-(aq)-->HCO3-(aq)+SO42-(aq)
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