Chemistry

The compound responsible for the characteristic smell of garlic is allicin, C6H10OS2. The mass of ...

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A common English set of units for expressing velocity is miles/hour. The SI unit for velocity is ...

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Aflatoxin B1 is a carcinogen that is found in raw fish. Indicate whether the statement is true or ...

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The density of a gold nugget is 19.3 g/cm3. If the volume of the gold nugget is 0.00369 L, the mass ...

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The molecular formula of aspartame, the generic name of NutraSweet, is C14H18N2O5. The molar mass of ...

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Very few cases of food poisoning occur in the United States. Indicate whether the statement is ...

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Which equation correctly represents the first ionization of calcium? A) Ca (g) Ca+ (g) + e- B) ...

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Banning food additives would result in a safer food supply. Indicate whether the statement is ...

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There are ________ oxygen atoms in 30 molecules of C20H42S3O2. A) 6.0 1023 B) 1.8 1025 C) 3.6 ...

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Formulas that show how atoms are attached in a molecule are called ________. A) molecular ...

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A nitrogen oxide is 63.65 by mass nitrogen. The molecular formula could be ________. A) NO B) ...

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Of the substances below, the highest fuel value is obtained from ________. A) charcoal B) ...

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Wood is ________ percent cellulose and cotton is almost ________ cellulose. Fill in the blank(s) ...

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Which one of the choices below is not considered a fossil fuel? A) anthracite coal B) crude oil ...

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The freezing point of water at 1 atm pressure is ________. A) 0 F B) 0 K C) 0 C D) -273 C E) ...

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Bread, cereals, and pasta are rich in ________. Fill in the blank(s) with correct ...

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Which hydrocarbon pair below has identical mass percentage of C? A) C3H4 and C3H6 B) C2H4 and ...

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Which ion below has the largest radius? A) Cl- B) K+ C) Br- D) F- E) ...

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The most abundant fossil fuel is ________. A) natural gas B) petroleum C) coal D) uranium E) ...

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Propane (C3H8 ) reacts with oxygen in the air to produce carbon dioxide and water. In a particular ...

Started by magmichele12

Of the following species, ________ has the largest radius. A) Rb+ B) Sr2+ C) Br- D) Kr E) ...

Started by mckennatimberlake

The species ________ contains 16 neutrons. A) 31P B) 34S2- C) 36Cl D) 80Br- E) ...

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The simplest and least expensive method for testing for possible carcinogenic activity is A) the ...

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A serving of peanut butter contains 204 food calories. The serving contains 9 grams of protein, 16 ...

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The electron-domain geometry of ________ is tetrahedral. A) CBr4 B) PH3 C) CCl2Br2 D) XeF4 E) ...

Started by WhattoUnderstand