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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

Question:Using complete subshell notation (1s22s22p6, and so forth), predict the electron configurations of the following

ions.

(a) N3鈥�

(b) Ca2+

(c) S鈥�

(d) Cs2+

(e) Cr2+

(f) Gd3+

The diameter of a red blood cell is about 3 脳 10-4 in. What is its diameter in centimeters?

Of the five elements Al, Cl, I, Na, Rb, which has the most exothermic reaction? (E represents an atom.) What name is given to the energy for the reaction? Hint: note the process depicted doesnotcorrespond to electron affinity

\({{\bf{E}}^ + }(g){\rm{ }} + {\rm{ }}{{\bf{e}}^ - } \to {\bf{E}}(g)\)

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?

Convert the boiling temperature of liquid ammonia, \( - 28.1^\circ F,\) into degrees Celsius and kelvin.
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