Concept explainers
(a)
Interpretation:
What
Concept Introduction:
In chemistry general physical quantities like volume, mass of any object etc are measured in following units.
Some importance units of measurements are as follows:
Degree Celsius (
Liter (L) for volume.
Meter (m) for length.
Gram (g) and kilogram (kg) for mass.
Second for (s) time.
Answer to Problem 1.74P
Explanation of Solution
(b)
Interpretation:
What
Concept Introduction:
In chemistry general physical quantities like volume, mass of any object etc are measured in following units.
Some importance units of measurements are as follows:
Degree Celsius (
Liter (L) for volume.
Meter (m) for length.
Gram (g) and kilogram (kg) for mass.
Second for (s) time.
Answer to Problem 1.74P
Explanation of Solution
(c)
Interpretation:
What
Concept Introduction:
In chemistry general physical quantities like volume, mass of any object etc are measured in following units.
Some importance units of measurements are as follows:
Degree Celsius (
Liter (L) for volume.
Meter (m) for length.
Gram (g) and kilogram (kg) for mass.
Second for (s) time.
Answer to Problem 1.74P
Explanation of Solution
(d)
Interpretation:
What
Concept Introduction:
In chemistry general physical quantities like volume, mass of any object etc are measured in following units.
Some importance units of measurements are as follows:
Degree Celsius (
Liter (L) for volume.
Meter (m) for length.
Gram (g) and kilogram (kg) for mass.
Second for (s) time.
Answer to Problem 1.74P
Explanation of Solution
(e)
Interpretation:
What
Concept Introduction:
In chemistry general physical quantities like volume, mass of any object etc are measured in following units.
Some importance units of measurements are as follows:
Degree Celsius (
Liter (L) for volume.
Meter (m) for length.
Gram (g) and kilogram (kg) for mass.
Second for (s) time.
Answer to Problem 1.74P
Explanation of Solution
The density of a substance is equal to the ratio of its mass and volume. In general, the density of a substance is mass per unit volume.
(f)
Interpretation:
What
Concept Introduction:
In chemistry general physical quantities like volume, mass of any object etc are measured in following units.
Some importance units of measurements are as follows:
Degree Celsius (
Liter (L) for volume.
Meter (m) for length.
Gram (g) and kilogram (kg) for mass.
Second for (s) time.
Answer to Problem 1.74P
Explanation of Solution
(g)
Interpretation:
What
Concept Introduction:
In chemistry general physical quantities like volume, mass of any object etc are measured in following units.
Some importance units of measurements are as follows:
Degree Celsius (
Liter (L) for volume.
Meter (m) for length.
Gram (g) and kilogram (kg) for mass.
Second for (s) time.
Answer to Problem 1.74P
Explanation of Solution
(h)
Interpretation:
What
Concept Introduction:
In chemistry general physical quantities like volume, mass of any object etc are measured in following units.
Some importance units of measurements are as follows:
Degree Celsius (
Liter (L) for volume.
Meter (m) for length.
Gram (g) and kilogram (kg) for mass.
Second for (s) time.
Answer to Problem 1.74P
Explanation of Solution
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Chapter 1 Solutions
Introduction to General, Organic and Biochemistry
- 1-67 If 168 g of an unknown liquid requires 2750 cal of heat to raise its temperature from 26oC to 74oC, what is the specific heat of the liquid?arrow_forward1-55 Does the chemical nature of a substance change when it melts from a solid to a liquid?arrow_forward1-78 The kinetic energy possessed by an object with a mass of 1 g moving with a velocity of 1 cm/s is called 1 erg. What is the kinetic energy, in ergs, of an athlete with a mass of 127 lb running at a velocity of 14.7 mi/h?arrow_forward
- 1-65 While you drive your car, your battery is being charged. How would you describe this process in terms of kinetic and potential energy?arrow_forward1-86 The specific heats of some elements at 25oC are as follows: aluminum = 0.215 cal/g · oC; carbon (graphite) = 0.170 caI/g oC; iron = 0.107 cal/g mercury = 0.033 1 caI/g oC. (a) Which element would require the smallest amount of heat to raise the temperature of 100 g of the element by 10oC? (b) If the same amount of heat needed to raise the temperature of 1 g of aluminum by 25oC were applied to 1 g of mercury, by how many degrees would its temperature be raised? (c) If a certain amount of heat is used to raise the temperature of 1.6 g of iron by 10oC, the temperature of 1 g of which element would also be raised by 10oC, using the same amount of heat?arrow_forward1-76 If the density of air is 1.25 10-3 g/cc, what is the mass in kilograms of the air in a room that is 5.3 m long, 4.2 m wide, and 2.0 m high?arrow_forward
- Express the results of the following multiplications and divisions to the proper number of significant figures. All of the numbers are measured quantities. (a) 129.587 × 32.33 = 4.7791 (b) 3.21 × 5.793 10566.9 (c) 3.584 × 1029 (d) (5.247 × 10'3) × (1.3 × 10-17) =arrow_forwardClassify each property as physical or chemical. (a) the tendency of silver to tarnish(b) the shine of chrome(c) the color of gold(d) the flammability of propane gasarrow_forwardDefine physical property and chemical property. Identify each type of property in the following statements:(a) Yellow-green chlorine gas attacks silvery sodium metal to form white crystals of sodium chloride (table salt).(b) A magnet separates a mixture of black iron shavings and white sand. When you convert feet to inches, how do you decide which part of the conversion factor should be in the numerator and which in the denominator?arrow_forward
- The molecular liquid chloroform (CHCl3) has a density of 1.48 g/mL, while the molecular liquid bromoform (CHBr3) has a density of 2.89 g/mL.(a) When 44.0 mL of CHCl3 and 39.2 mL of CHBr3 are mixed, a clear liquid solution forms. Is this a chemical or a physical change?arrow_forward(a) To three decimal places, what is the volume of a cube (cm3) with an edge length of 0.843 cm?(b) If the cube in part (a) is copper and has a mass of 5.34 g, what is the density of copper to two decimal places?arrow_forwardGive the name and symbol of the prefixes used with SI units to indicate multiplication by the following exact quantities.(a) 103(b) 10−2(c) 0.1(d) 10−3(e) 1,000,000(f) 0.000001arrow_forward
- Introduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning