How do solids liquids and gases differ at the molecular level?

1 answer:

6 0

Solids are packed together closely, liquids are farther apart but still relatively close, and gases are very far apart with lots of space.

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A runner wants to run 13.1 km . She knows that her running pace is 6.2 mi/h .How many minutes must she run? Hint: Use 6.2 mi/h a

frutty [35]

Answer:

<u>79 minutes</u>

Explanation:

1)<u> Convert the distance, 13.1 km to miles</u>

Conversion factor:

1 = 1 mi / 1.61 km

13.1 km [ 1 mi / 1.61 km ] = 8.1336 mi

2)<u> Use 6.2 mi/h as a converstion factor between distance and time</u>

8.1366 mi × 1 / [6.2 mi/h] = 1.3124 h

3) <u>Convert 1.3124 h to minutes</u>

1.3124 h × [ 60 min/h] = 78.7 min

Rounding to the nearest minutes (two significant figures):

79 min ← answer

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3 years ago

What would be the greatest difference in using an open ceramic coffee mug rather than an insulated mug with a lid as a calorimet

STALIN [3.7K]

Answer:

Hi. Increased evaporation would be the greatest difference.

Explanation:

Have you ever had a drink in a mug with a lid? When you would remove the lid, all of the liquid on the lid is the liquid that would evaporate if there was no lid.

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3 years ago

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1. All ___matter______ is made of atoms that cannot be ______________________ or ____________________. 2. All _______________ of

marin [14]

Answer:

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Which would be the best way to represent the concentration of a 1. 75 M K2CrO4 solution? 1. 75% K2CrO4 [K2CrO4] (K2CrO4) K2CrO4,

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