General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN: 9781305580343
Author: Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher: Cengage Learning
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Textbook Question
Chapter 1, Problem 1.27QP
You need a thermometer that is accurate to ±5°C to conduct some experiments in the temperature range of 0°C to 100°C. You find one in your lab drawer that has lost its markings.
- a What experiments could you do to make sure your thermometer is suitable for your experiments?
- b Assuming that the thermometer works, what procedure could you follow to put a scale on your thermometer that has the desired accuracy?
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PART 3
A Volumetric Flask
+ A
С —
ALI50
SOA
A 50-mL volumetric flask measures a volume of 50.00 mL. In this experiment, we want to show that
this is true. 50.00 mL is the actual volume measured by this volumetric flask.
EXPERIMENT:
The mass of an empty volumetric flask is measured.
Then water is added to the volumetric flask and the meniscus is adjusted to be at the correct
level.
Then the mass of the volumetric flask and the water is measured.
Finally, the temperature of the water in the volumetric flask is measured.
RESULTS:
Mass of empty volumetric flask = 37.04 g
Mass of volumetric flask and water = 86.83 g
Temperature of the water in the volumetric flask = 23°C
4
Densities of water at different temperatures:
Density of Water at Different Temperatures
(g/cm)
Temp, °C
Density
Temp, °C
Density
Temp, °C
Density
18
0.99862
21
0.99802
24
0.99733
19
0.99844
22
0.99780
25
0.99708
20
0.99823
23
0.99757
26
0.99681
(a) Using the mass of the water measured and the density of the water,…
What is the reason behind this?
Inorder to measure the temperature of a object accurately, simple liquid-in-glass thermometer must be at the same temperature as the object.
number 3 and 4 of this part ty in analytical chem
Chapter 1 Solutions
General Chemistry - Standalone book (MindTap Course List)
Ch. 1.3 - You place 1.85 grams of wood in a vessel with 9.45...Ch. 1.4 - Potassium is a soft, silvery-colored metal that...Ch. 1.4 - Matter can be represented as being composed of...Ch. 1.5 - Give answers to the following arithmetic setups....Ch. 1.5 - a. When you report your weight to someone, how...Ch. 1.6 - Express the following quantities using an SI...Ch. 1.6 - a. A person with a fever has a temperature of...Ch. 1.6 - Prob. 1.3CCCh. 1.7 - A piece of metal wire has a volume of 20.2 cm3 and...Ch. 1.7 - Ethanol (grain alcohol) has a density of 0.789...
Ch. 1.7 - You are working in the office of a precious metals...Ch. 1.8 - The oxygen molecule (the smallest particle of...Ch. 1.8 - A large crystal is constructed by stacking small,...Ch. 1.8 - Using the definitions 1 in. = 2.54 cm and 1 yd =...Ch. 1 - Discuss some ways in which chemistry has changed...Ch. 1 - Define the terms experiment and theory. How are...Ch. 1 - Illustrate the steps in the scientific method...Ch. 1 - Define the terms matter and mass. What is the...Ch. 1 - Prob. 1.5QPCh. 1 - Prob. 1.6QPCh. 1 - Characterize gases, liquids, and solids in terms...Ch. 1 - Prob. 1.8QPCh. 1 - Give examples of an element, a compound, a...Ch. 1 - What phases or states of matter are present in a...Ch. 1 - What distinguishes an element from a compound? Can...Ch. 1 - Prob. 1.12QPCh. 1 - Prob. 1.13QPCh. 1 - Prob. 1.14QPCh. 1 - How does the International System (SI) obtain...Ch. 1 - Prob. 1.16QPCh. 1 - Prob. 1.17QPCh. 1 - Why should units be carried along with numbers in...Ch. 1 - When the quantity 12.9 g is added to 2 1002 g,...Ch. 1 - Prob. 1.20QPCh. 1 - A 75.0-g sample of a pure liquid, liquid A, with a...Ch. 1 - Which of the following represents the smallest...Ch. 1 - Physical and Chemical Changes Say you are...Ch. 1 - a Sodium metal is partially melted. What are the...Ch. 1 - A material is believed to be a compound. Suppose...Ch. 1 - You need a thermometer that is accurate to 5C to...Ch. 1 - Imagine that you get the chance to shoot five...Ch. 1 - Say you live in a climate where the temperature...Ch. 1 - You are presented with a piece of metal in a jar....Ch. 1 - You have two identical boxes with interior...Ch. 1 - Consider the following compounds and their...Ch. 1 - Which of the following items have a mass of about...Ch. 1 - What is the length of the nail reported to the...Ch. 1 - For these questions, be sure to apply the rules...Ch. 1 - You are teaching a class of second graders some...Ch. 1 - A 15.5 g sample of sodium carbonate is added to a...Ch. 1 - Some iron wire weighing 5.6 g is placed in a...Ch. 1 - Zinc metal reacts with yellow crystals of sulfur...Ch. 1 - Aluminum metal reacts with bromine, a red-brown...Ch. 1 - Give the normal state (solid, liquid, or gas) of...Ch. 1 - Give the normal state (solid, liquid, or gas) of...Ch. 1 - Which of the following are physical changes and...Ch. 1 - For each of the following, decide whether a...Ch. 1 - A sample of mercury(II) oxide was heated to...Ch. 1 - Solid iodine, contaminated with salt, was heated...Ch. 1 - The following are properties of substances. Decide...Ch. 1 - Decide whether each of the following is a physical...Ch. 1 - Iodine is a solid having somewhat lustrous,...Ch. 1 - Mercury(II) oxide is an orange-red solid with a...Ch. 1 - Consider the following separations of materials....Ch. 1 - All of the following processes involve a...Ch. 1 - Label each of the following as a substance, a...Ch. 1 - Indicate whether each of the following materials...Ch. 1 - Which of the following are pure substances and...Ch. 1 - Which of the following are pure substances and...Ch. 1 - How many significant figures are there in each of...Ch. 1 - How many significant figures are there in each of...Ch. 1 - The circumference of the earth at the equator is...Ch. 1 - The astronomical unit equals the mean distance...Ch. 1 - Assuming all numbers are measured quantities, do...Ch. 1 - Assuming all numbers are measured quantities, do...Ch. 1 - Prob. 1.63QPCh. 1 - Prob. 1.64QPCh. 1 - Write the following measurements, without...Ch. 1 - Write the following measurements, without...Ch. 1 - Using scientific notation, convert: a 6.15 ps to s...Ch. 1 - Using scientific notation, convert: a 6.20 km to m...Ch. 1 - Convert: a 68F to degrees Celsius b 23F to degrees...Ch. 1 - Convert: a 51F to degrees Celsius b 11F to degrees...Ch. 1 - Salt and ice are stirred together to give a...Ch. 1 - Prob. 1.72QPCh. 1 - A certain sample of the mineral galena (lead...Ch. 1 - A flask contains a 30.0 mL sample of acetone (nail...Ch. 1 - A liquid with a volume of 8.5 mL has a mass of...Ch. 1 - Prob. 1.76QPCh. 1 - Platinum has a density of 21.4 g/cm3. What is the...Ch. 1 - What is the mass of a 43.8-mL sample of gasoline,...Ch. 1 - Ethanol has a density of 0.789 g/cm3. What volume...Ch. 1 - Bromine is a red-brown liquid with a density of...Ch. 1 - Sodium hydrogen carbonate, known commercially as...Ch. 1 - The acidic constituent in vinegar is acetic acid....Ch. 1 - The different colors of light have different...Ch. 1 - Water consists of molecules (groups of atoms). A...Ch. 1 - The total amount of fresh water on earth is...Ch. 1 - A submicroscopic particle suspended in a solution...Ch. 1 - How many grams are there in 3.58 short tons? Note...Ch. 1 - Prob. 1.88QPCh. 1 - The first measurement of sea depth was made in...Ch. 1 - The estimated amount of recoverable oil from the...Ch. 1 - A fish tank is 24.2 in. long, 15.9 in. deep, and...Ch. 1 - The population density of worms in a particular...Ch. 1 - Prob. 1.93QPCh. 1 - An antacid tablet weighing 0.853 g contained...Ch. 1 - When a mixture of aluminum powder and iron(III)...Ch. 1 - When chlorine gas is bubbled into a solution of...Ch. 1 - A beaker weighed 50.90 g. To the beaker was added...Ch. 1 - Prob. 1.98QPCh. 1 - Describe each of the following as a physical or...Ch. 1 - Describe each of the following as a physical or...Ch. 1 - Analyses of several samples of a material...Ch. 1 - A red-orange solid contains only mercury and...Ch. 1 - A cubic box measures 39.3 cm on an edge. 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Rank the...Ch. 1 - Prob. 1.152QPCh. 1 - Prob. 1.153QPCh. 1 - The density of liquid water at 80C is 972 kg/m3...Ch. 1 - Prob. 1.155QPCh. 1 - At 20C liquid gasoline gas has a density of 0.75...Ch. 1 - The figures below represent a gas trapped in...Ch. 1 - An ice cube measures 3.50 cm on each edge and...Ch. 1 - The total length of all the DNA molecules...Ch. 1 - Prospectors are considering searching for gold on...Ch. 1 - A solution is prepared by dissolving table salt,...Ch. 1 - Water and saline (salt) solution have in common...Ch. 1 - When 11.1 g of marble chips (calcium carbonate) is...Ch. 1 - Zinc ore (zinc sulfide) is treated with sulfuric...Ch. 1 - A steel sphere has a radius of 1.58 in. If this...Ch. 1 - A weather balloon filled with helium has a...Ch. 1 - Prob. 1.167QPCh. 1 - Prob. 1.168QPCh. 1 - A sample of an ethanolwater solution has a volume...Ch. 1 - You have a piece of gold jewelry weighing 9.35 g....Ch. 1 - A sample of vermilion-colored mineral was weighed...Ch. 1 - A sample of a bright blue mineral was weighed in...Ch. 1 - Prob. 1.173QPCh. 1 - An experimenter places a piece of a solid metal...Ch. 1 - Prob. 1.175QPCh. 1 - The expected outcome for the amount of sugar in a...
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