Principles of General Chemistry
3rd Edition
ISBN: 9780073402697
Author: SILBERBERG, Martin S.
Publisher: McGraw-Hill College
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Chapter 1, Problem 1.25P
The average density of Earth is
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(a) A cube of osmium metal 1.500 cm on a side has a mass of76.31 g at 25 °C. What is its density in g/cm3 at this temperature?(b) The density of titanium metal is 4.51g/cm3 at 25 °C.What mass of titanium displaces 125.0 mL of water at 25 °C?
(c) The density of benzene at 15 °C is 0.8787 g/mL. Calculatethe mass of 0.1500 L of benzene at this temperature.
2A.
The average density of Earth is 5.52 g/cm3.
What is its density in (a) kg/m3; (b) Ib/ft³?
2B. There are 2.60 x 1015 short tons of oxygen in the atmosphere (1 short ton = 2000 Ib).
How many metric tons of oxygen are present (1 metric ton = 1000 kg)?
(1) A rectangular block of wood has the following dimensions: 10.0 cm x 5.00 cm x 4.00 cm. The block weight 100 g. What is the density of the block of wood?
(2) What is the mass of a 400-mL sample of ethyl alcohol if its density is 0.8 g/mL?
Chapter 1 Solutions
Principles of General Chemistry
Ch. 1 - Scenes A-D represent atomic-scale views of...Ch. 1 - Describe solids, liquids, and gases in terms of...Ch. 1 - Define physical property and chemical property....Ch. 1 - Define physical change and chemical change. State...Ch. 1 - Which of the following is a chemical change?...Ch. 1 - Which of the following changes can be reversed by...Ch. 1 - For each pair, which has higher potential energy?...Ch. 1 - Prob. 1.8PCh. 1 - How ait the key elements of scientific thinking...Ch. 1 - Prob. 1.10P
Ch. 1 - Prob. 1.11PCh. 1 - Prob. 1.12PCh. 1 - Prob. 1.13PCh. 1 - Write the conversion factor(s) for in2tom2 (b)...Ch. 1 - Write the conversion factor(s) for cm/mintoin/ (b)...Ch. 1 - Describe the difference between intensive and...Ch. 1 - Explain the difference between mass and weight....Ch. 1 - For each of the following cases, state whether the...Ch. 1 - Prob. 1.19PCh. 1 - A one-step conversion is sufficient to convert a...Ch. 1 - The average radius of a molecule of lysozyme, an...Ch. 1 - The radius of a barium atom is 2.2210-10 m. What...Ch. 1 - A small hole in the wing of a space shuttle...Ch. 1 - Prob. 1.24PCh. 1 - The average density of Earth is 5.5g/cm3. What is...Ch. 1 - Prob. 1.26PCh. 1 - The volume of a certain bacterial cell is 2.56m3....Ch. 1 - How many cubic meters of milk are in 1qt(946.4mL)?...Ch. 1 - Prob. 1.29PCh. 1 - An empty Erlenmeyer flask weighs 241.3 g. When...Ch. 1 - A small cube of aluminum measures 15.6 mm on a...Ch. 1 - A steek ball-bearing with a circumference of 32.5...Ch. 1 - Perform the following conversions: 68oF (a...Ch. 1 - Perfrom the following conversions: 106oF (the body...Ch. 1 - A 25-0-g sample of each of three unknwon metals is...Ch. 1 - Prob. 1.36PCh. 1 - The distance between two adjacent peaks on a wave...Ch. 1 - Prob. 1.38PCh. 1 - Prob. 1.39PCh. 1 - Prob. 1.40PCh. 1 - Each of the beakers depicted below contains two...Ch. 1 - Prob. 1.42PCh. 1 - Prob. 1.43PCh. 1 - Underline the significant zeros in the folliwng...Ch. 1 - Prob. 1.45PCh. 1 - Carry out the following calculations, making sure...Ch. 1 - Carry out the following calculations, making sure...Ch. 1 - Prob. 1.48PCh. 1 - Write the following numbers in scientific...Ch. 1 - Prob. 1.50PCh. 1 - Prob. 1.51PCh. 1 - Carry out each calculation, paying special...Ch. 1 - Carry out each calculation, paying special...Ch. 1 - Which statements include excat numbers? Angel...Ch. 1 - Which of the following include exact numbers? (a)...Ch. 1 - How long is the metal strip shown below? Be sure...Ch. 1 - These organic solvents are used to clean compact...Ch. 1 - Prob. 1.58PCh. 1 - Prob. 1.59PCh. 1 - Prob. 1.60PCh. 1 - Prob. 1.61PCh. 1 - Prob. 1.62PCh. 1 - Prob. 1.63PCh. 1 - Prob. 1.64PCh. 1 - Prob. 1.65PCh. 1 - Bromine is used to prepare the pesticide methyl...Ch. 1 - Prob. 1.67PCh. 1 - Prob. 1.68PCh. 1 - Prob. 1.69PCh. 1 - Prob. 1.70PCh. 1 - Prob. 1.71PCh. 1 - For the year 2007. worldwide production of...Ch. 1 - Prob. 1.73PCh. 1 - Prob. 1.74PCh. 1 - Prob. 1.75PCh. 1 - Prob. 1.76PCh. 1 - Scenes A and B depict changes in matter at the...Ch. 1 - Prob. 1.78PCh. 1 - Prob. 1.79PCh. 1 - If a temperature scale were based on the freezing...
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- At 25 C, the density of water is 0.997 g/cm3, whereas the density of ice at 10 C is 0.917 g/cm3. (a) If a soft-drink can (volume = 250. mL) is filled completely with pure water at 25 C and then frozen at - 10 C, what volume does the ice occupy? (b) Can the ice be contained within the can?arrow_forwardThe label on a bale of mulch indicates a volume of 1.45 ft3. The label also states that the mulch in the bale will cover an area of a garden 6 ft 6 ft to a depth of 1 in. Account for the discrepancy in the given volumes.arrow_forwardCalculate these volumes.(a) What is the volume of 35 g iodine, density = 4.93 g/cm 3 ?(b) What is the volume of 33.28 g gaseous hydrogen, density = 0.089 g/L?arrow_forward
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