Ymri001

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Intermolecular forces are responsible for: A) the shape of protein molecules. B) the existence of liquids and solids. C) the taste sensations. D) the function of DNA. E) all of the above

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Which one of the following is impossible for an ideal gas? A) V1T1 = V2T2 B) 1 V2 = T1 T2 ( 1 V1 ) C) V1 T1 = V2 T2 D) V2 = ( T2 T1 ) V1 E) none of the above

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A barometer uses mercury because:

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At 570.mmHg and 25oC, a gas sample has a volume of 2270mL. what is the final pressure( in mmHg) at a volume of 1250mL and temp. of 175oC? A)210mmHg B)690mmHg C)470mmHg D)1560mmHg E)7000mmHg Explain?

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At 570.mmHg and 25oC, a gas sample has a volume of 2270mL. what is the final pressure( in mmHg) at a volume of 1250mL and temp. of 175oC?

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A Kcal of heat is required to raise the temp. of: A) 10g water by 10 oC B) 1 g water from 14 oC to 15 oC C) 100 g water by 100 oC D) 100 g water by 10 oC E) 1 g water by 10 oC

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Balance the following equation and show work :Na+H2O=NaOH+H2

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gold in a ring is a(n) A) heterogeneous mixture B)homogeneous mixtureC) compound D) elementE) non of the above

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Balance the equation: NaCl+F2=NaF+Cl2

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