GOB Chemistry
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Provide the balanced neutralization reaction of an organic acid present in the soil, formic acid (HCOOH) with lime (Ca(OH)2), a base used for neutralizing acidic soil.
Provide the balanced neutralization reaction of HI and Sr(OH)2.
Dextromethorphan is in the form of dextromethorphan hydrobromide (DXM•HBr) when sold as an over-the-counter cold and cough medicine. What does HBr stand for? What type of reaction is necessary to convert DXM to the HBr form and what is the purpose of converting the drug to this form?
Aqueous solutions of a cation (green) and anion (red) are mixed together, resulting in the formation of a solid. Identify the ions that can possibly cause the reaction.
Identify the products of a double displacement reaction between calcium nitrate and potassium sulfide.
a) CaS and KNO2
b) CaSO3 and KNO3
c) CaSO3 and KNO3
d) CaS and KNO3
e) K2SO3, CaS and H2O
f) None of the above
Write a molecular equation for the following precipitation reactions. If no precipitate forms, write NO REACTION.
1. aluminum sulfate and sodium phosphate
2. chromium (III) nitrate and strontium iodide
3. copper (II) nitrate and lithium phosphate
Consider the following neutralization reaction:
Ba(OH)2(aq) + 2 HNO3(aq) → X + H2O(l)
When this equation is completed and balanced, which of the following would replace "X"?