Which of the following substances would be the best choice to neutralize sulfuric acid? w) sodium hydroxide x) silicon dioxide y) copper metal z) phosphorus pentoxide

1 Answer

Answer :

ANSWER: W -- SODIUM HYDROXIDE

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Description : Which of the following substances would be the best choice to neutralize aqueous Sodium Hydroxide? w) sodium carbonate x) silicon dioxide y) aluminum oxide z) phosphorus pentoxide

Last Answer : ANSWER: Z -- PHOSPHORUS PENTOXIDE

Description : Which of the following is NOT a general property of hydroxide bases in aqueous solution? w) High solubility x) Bitter taste y) Ability to neutralize aqueous acid solutions z) Ability to change phenolphthalein from colorless to red

Last Answer : ANSWER: W -- HIGH SOLUBILITY (The hydroxides of the alkali metals are soluble in water but all the other metal hydroxides are only moderately or sparingly soluble.)

Description : Which compound is responsible for the rotten egg smell? w) sulfuric acid x) putrescine y) hydrogen sulfide z) sulfur dioxide

Last Answer : ANSWER: Y -- HYDROGEN SULFIDE (NOTE: putrescine is a real compounz)

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Last Answer : ANSWER: D -- SODIUM OXIDE

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Last Answer : ANSWER: Z -- 0.1 MOLAR HYDROCHLORIC ACID

Description : Which of the following aqueous solutions would hav the lowest boiling point? Would it be a 1.0 molal solution of: w) Hydrochloric acid x) Sodium Hydroxide y) Acetic Acid, z) Magnesium Chloride

Last Answer : ANSWER: Y -- ACETIC ACID

Description : Which of the following reactions involve NEITHER oxidation nor reduction? w) burning antimony in chlorine x) decomposition of potassium chlorate y) reaction of sodium with water z) reaction of potassium hydroxide with nitric acid

Last Answer : ANSWER: Z -- REACTION OF POTASSIUM HYDROXIDE WITH NITRIC ACID  

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Last Answer : ANSWER: Y -- CARBON-SILICON GROUP

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Last Answer : ANSWER: W -- SULFUR

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Last Answer : ANSWER: Y -- SODIUM 

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Last Answer : ANSWER: W -- SODIUM PEROXIDE

Description : Chemically, fats are esters of long carbon-chain acids and which of the following: w) ethanol x) glycerol y) ethylene glycol z) sodium hydroxide

Last Answer : ANSWER: X -- GLYCEROL

Description : What is the answer and how did you get it using the balanced equation from problem 4 Determine the limiting reagent if you start with 200 grams of sodium hydroxide and 100 grams of sulfuric acid?

Last Answer : The chemical equation is:2 NaOH + H2SO4 = Na2SO4 + 2 H2OMolar mass of sodium hydroxide is 39,9971 g; molar mass of sulfuric acid is 98,079 g.2 . 39,9971 g NaOH----------------------98,079 g H2SO4200 g ... ---------xx = (200 x 98,079)/2 . 39,9971 = 245 g H2SO4So sulfuric acid is the limiting reagent.

Description : Which of the following is NOT an organic acid? w) butyric (pron: byu-TEER-ik) x) sulfuric y) acetic z) citric

Last Answer : ANSWER: X -- SULFURIC

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Last Answer : ANSWER: W -- GLASS

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Last Answer : ANSWER: Y -- DONATES HYDROGEN IONS TO WATER 

Description : An alcohol is related to an ester as a hydroxide compound is related to: w) an acid x) a ketone y) an ether z) a salt

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Last Answer : (3) red phosphorus Explanation: A typical modern match is made of a small wooden stick or stiff paper. One end is coated with a material that can be ignited by frictional heat generated by ... in rows stapled into matchbooks. They are commonly sold by tobacconists and many other kinds of shops.

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Last Answer :  red phosphorus

Description : Which of the following metals can be obtained from its ore only by electrolysis of a molten salt ? w) cobalt x) chromium y) copper z) sodium

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Description : Cinnabar, pyrite and galena are minerals which consist of one or more metals combined with the same element. Which one of the following is the element that is common to all three of these minerals? Is it: w) iron x) copper y) sulfur z) sodium

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Description : Is phosphorus pentoxide ionic or covalent bond?

Last Answer : Phosphorus pentoxide is a covalent bond, not a ionic.-Emiko Bunny

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Last Answer : Ans:(d)

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Last Answer : ANSWER: Z -- SELENIUM

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Last Answer : ANSWER: X -- CARBONATE ION

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Last Answer : ANSWER: Z -- GREEN PHOSPHORUS