Chemistry

The correct name for MgF2 is ________. A) monomagnesium difluoride B) magnesium difluoride C) ...

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According to the author of the text, which of the following is believed by many to the best ...

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As the temperature of a reaction is increased, the rate of the reaction increases because the ...

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The correct name for NaHCO3 is ________. A) sodium hydride B) persodium carbonate C) persodium ...

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The element in the periodic table that looks like a metal, is a poor thermal conductor, and acts as ...

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The hybridizations of bromine in BrF5 and of arsenic in AsF5 are ________ and ________, ...

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When the following equation is balanced, the coefficient of nitric acid is ________. N2O5 (g) + H2O ...

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The density of a 167.4 g sample of magnesium having a volume of 96.32 mL is ________ g/cm3. A) ...

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Transition metals within a period differ mainly in the number of ________ electrons. A) s B) p ...

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The correct name for HNO2 is ________. A) nitrous acid B) nitric acid C) hydrogen nitrate D) ...

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Which of the following symptoms will be relieved by antihistamines? A) sleeplessness. B) ...

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The hybrid orbitals used for bonding by Xe in the unstable XeF2 molecule are ________ orbitals. ...

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The density of mercury is 13.6 g/cm3. The density of mercury is ________ kg/m3. A) 1.36 10-2 B) ...

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Nonmetals can be ________ at room temperature. A) solid, liquid, or gas B) solid or liquid C) ...

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The value of H for the reaction below is +128.1 kJ: CH3OH (l) CO (g) + 2H2 (g) How many kJ of heat ...

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The distance from the Earth to the Moon is approximately 240,000 miles. If a rocket travels at a ...

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Which of the following types of drugs would be used as a cough suppressant? A) analgesic B) ...

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The charge on the ________ ion is -3. A) sulfate B) acetate C) permanganate D) oxide E) ...

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Heavy metals act by binding to the SH groups on enzymes, which makes the enzymes inactive. ...

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Which one of the following polyatomic ions has the same charge as the hydroxide ion? A) ammonium ...

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The electron-domain geometry of the AsF5 molecule is trigonal bipyramidal. The hybrid orbitals used ...

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An expectorant A) reduces the swelling of nasal passages. B) helps bring up mucus from the ...

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Phosphorus-based insecticides such as parathion are less toxic than warfare nerve agents such as ...

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The balanced equation for the decomposition of sodium azide is ________. A) 2NaN3 (s) 2Na (s) + ...

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An iron mine produces 1.67 104 tons of raw ore per day. If the ore is 26.39 elemental iron, the ...

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