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Record for each sample by indicating if it was soluble or insoluble.
Questions
1. Write the balanced equation for the reaction of benzoic acid with NaOH using condensed structural formulas.
2. This section of the experiment is called carboxylic acids and their salts. In the equation you drew in Question 1, draw a square around the carboxylic acid and a circle around the salt.
3. NaOH was added to the sample of benzoic acid until the red litmus paper turned blue. What did you observe? Give a brief explanation for what you observed.
describe in detail the internal changes that occur within dental porcelain when firing porcelain jacket crowns and
The balance sheet of a company does not classify assets and liabilities as current and noncurrent.
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The thermite reaction in which aluminum metal reacts with iron(III) oxide to produce a spectacular display of sparks, is therefore exothermic that the product (iron) is in the molten state
"A student titrated a 10 mL sample of a saturated solution of borax. If the titration required 23.95 mL of 0.2556 M HCL to reach the endpoint, calculate the equilibrium molar concentration of B4O5(OH)(4 in the saturated solution"
A student determines the iron(II) content of a solution by first precipitating it as iron(II) hydroxide, and then decomposing the hydroxide to iron(II) oxide by heating.
What is the initial product at the cathode in the electrolysis of molten AlCl3. A) Al (s) B) Cl2 (g) C) AlCl2 (s) D) Al3+ (aq) E) Cl? (aq)
Assuming the temperature of both solutions was initially 25? and that the final mixture has a mass of 600 g and specific heat if water, calculate the final temperature of the mixture?
How many liters of O2 are needed to react completely with 45.0L of H2S at STP? 2H2S(g) + 3O2(g) -> 2SO2(g) +2H20(g)
a compound consists of 60.0 carbon 26.7 oxygen and 13.3hydrogen. its molecular weight is 60. what are the possible
Consider a house into which radon is emitted through cracks in the basement. The total volume of the house is 650 m3 (assume that the volume is well mixed throughout).
Question- Using the information you gained from your TLC plates, describe how you could separate and collect larger quantities of chlorophyll and carotene using column chromatography.
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