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Chapter 1: Q87E (page 9)

Question: Calculate the density of aluminum if 27.6 cm3 has a mass of 74.6 g.

Short Answer

Expert verified

The density of aluminum is 2.70 g/cm3

Step by step solution

01

Step 1: To determine the definition of density

Density is a physical parameter which provides information about the mass of a sample divided by its volume. The ratio between the mass and volume is known as density.

02

Calculate the density of Al

It is given that

Mass of aluminum = 74.6 g

Volume = 27.6cm3

Now,

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Most popular questions from this chapter

How much heat is produced when 100 mL of 0.250 M HCl (density, 1.00 g/mL) and 200 mL of 0.150 M NaOH (density, 1.00 g/mL) are mixed?

\({\bf{HCl(aq) + NaOH(aq)}} \to {\bf{NaCl(aq) + }}{{\bf{H}}_{\bf{2}}}{\bf{O(l) \Delta H}}_{{\bf{298}}}^{\bf{^\circ }}{\bf{ = - 58kJ}}\)

If both solutions are at the same temperature and the heat capacity of the products is 4.19 J/g 掳C, how much will the temperature increase? What assumption did you make in your calculation?

How does an element differ from a compound? How are they similar?

Convert the temperature of dry ice, \( - 77{\rm{ }}^\circ C,\) into degrees Fahrenheit and kelvin.

Question: Make the conversion indicated in each of the following:

(a) the men鈥檚 world record long jump, 29 ft 4录 in., to meters

(b) the greatest depth of the ocean, about 6.5 mi, to kilometers

(c) the area of the state of Oregon, 96,981 mi2, to square kilometers

(d) the volume of 1 gill (exactly 4 oz) to milliliters

(e) the estimated volume of the oceans, 330,000,000 mi3, to cubic kilometers.

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Classify the following sets of measurements as accurate, precise, both, or neither.

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(c) Determining the purity of gold: 99.9999%, 99.9998%, 99.9998%, 99.9999%
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