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Which gas is more dense at standard temperature and pressure (STP), sulfur hexafluoride (SF_6) or helium (He), and what evidence supports your answer?
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1. Intro to General Chemistry
Density
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What is the density of an object with a volume of 5 cm^3 and a mass of 55 g?
A
11 g/cm^3
B
5.5 g/cm^3
C
275 g/cm^3
D
0.09 g/cm^3
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Recall the formula for density, which is defined as mass divided by volume: \(\text{Density} = \frac{\text{Mass}}{\text{Volume}}\).
Identify the given values from the problem: mass = 55 g and volume = 5 cm\(^3\).
Substitute the given values into the density formula: \(\text{Density} = \frac{55\ \text{g}}{5\ \text{cm}^3}\).
Perform the division to find the density value (do not calculate the final number here, just set up the expression).
Express the units clearly as grams per cubic centimeter (g/cm\(^3\)), which is the standard unit for density in this context.
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