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Conceptual Physical Science (6th Edition)
6th Edition
ISBN: 9780134060491
Author: Paul G. Hewitt, John A. Suchocki, Leslie A. Hewitt
Publisher: PEARSON
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Question
Chapter 17, Problem 74E
To determine
It should be determine that whether entropy increases or decreases in the given reaction.
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I'm wondering what to put down where the (? M) is observed on the following slide [see the Cu-Cu reaction] -- is that the correct balanced equation??
umerical
1.2 2.5 moles
Step 4 Calcula
number of
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11 M
8,00 g
2 g.mol
= 4 moles
Step 5 Write down the 2 moles H, reacts with 1 mole O
moles in the
reaction
Step 6 Determine the
mass of the
product(s)
Step 7 Conclusion
4 moles H, reacts with 2 moles O,
Mass of O, consumed:
m=nxM
= 2,00 mol x 32 g.mol-1
= 64 g
64 g of oxygen is consumed.
therefore:
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Activity 1
Perform stoichiometric calculations
In the following chemical reaction: 2H2(g) + O2(g) → 2H₂O(g)
1.1 How many moles of H₂O will be produced from 6 moles of O₂?
1.2 How many moles of H₂ will react with 40 g of O₂?
1.3 How many grams of H₂O will be produced by 18 g of H₂?
2
Zinc metal is used to displace silver from a silver nitrate solution in
accordance with the following equation:
Zn(s) + 2AgNO3(aq) → Zn(NO₂)2(aq) + 2Ag(s)
What mass of zinc should be used to displace 60 g of silver from excess
silver nitrate solution?
->
80 g of magnesium react with…
Question 9
Two white powders were mixed together. Achemical reaction occurred, and a yellow powder was
formed. What is the relationship between the yellow powder and the white powders?
The yellow powder is made up of the same kinds of atoms as the white
powders, but the atoms are combined into different molecules.
The yellow powder is made up of the same kinds of molecules as the white
powders, but the molecules are a different color.
The yellow powder was released from inside the atoms of the white powders.
There is no relationship between the yellow powder and white powders.
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10
Chapter 17 Solutions
Conceptual Physical Science (6th Edition)
Ch. 17 - Prob. 1RCQCh. 17 - Prob. 2RCQCh. 17 - Prob. 3RCQCh. 17 - Prob. 4RCQCh. 17 - Why dont equal masses of golf balls and Ping-Pong...Ch. 17 - Why dont equal masses of carbon atoms and oxygen...Ch. 17 - Prob. 7RCQCh. 17 - If you had 1 mole of marbles, how many marbles...Ch. 17 - Prob. 9RCQCh. 17 - How many molecules of water are there in 18g of...
Ch. 17 - Why is saying you have 1 mole of water molecules...Ch. 17 - What is the mass of an oxygen atom in atomic mass...Ch. 17 - Prob. 13RCQCh. 17 - What generally happens to the rate of a chemical...Ch. 17 - Which reactant molecules are the first to pass...Ch. 17 - What term is used to describe the minimum amount...Ch. 17 - What catalyst is effective in the destruction of...Ch. 17 - Prob. 18RCQCh. 17 - What net effect does a chemical reaction have on a...Ch. 17 - Why are catalysts so important to our economy?Ch. 17 - Prob. 21RCQCh. 17 - What is released by an exothermic reaction?Ch. 17 - What is absorbed by an endothermic reaction?Ch. 17 - As energy disperses, where does it go?Ch. 17 - What is always increasing?Ch. 17 - Prob. 26RCQCh. 17 - Show that there are 1.0 1022 carbon atoms in a...Ch. 17 - How many gold atoms are there in a 5.00-g sample...Ch. 17 - Show that 1 mole of KClO3 contains 122.55 g.Ch. 17 - Prob. 35TASCh. 17 - Prob. 36TASCh. 17 - Show that the formula mass of 2-propanol, C3H8O,...Ch. 17 - Prob. 38TASCh. 17 - Prob. 39TASCh. 17 - Prob. 40TASCh. 17 - Prob. 41TASCh. 17 - Prob. 43TARCh. 17 - Rank the following in order of increasing entropy:...Ch. 17 - Prob. 46ECh. 17 - Prob. 47ECh. 17 - Prob. 48ECh. 17 - Prob. 49ECh. 17 - Use the following illustration to answer Exercises...Ch. 17 - Use the following illustration to answer Exercises...Ch. 17 - The reactants shown schematically on the left...Ch. 17 - Prob. 53ECh. 17 - Which has more atoms: 17.031 grams of ammonia,...Ch. 17 - How many moles of molecules are there in each of...Ch. 17 - How many moles of atoms are there in each of the...Ch. 17 - Prob. 58ECh. 17 - Prob. 59ECh. 17 - Which has the greater mass, 1.204 1024 molecules...Ch. 17 - Prob. 61ECh. 17 - How many atoms of arsenic are there in a 145-gram...Ch. 17 - How is it possible for a jet airplane carrying 110...Ch. 17 - In the laboratory, endothermic reactions are...Ch. 17 - Prob. 65ECh. 17 - Why does a glowing splint of wood burn only slowly...Ch. 17 - Prob. 67ECh. 17 - Explain the connection between photosynthetic life...Ch. 17 - Does the ozone pollution from automobiles help...Ch. 17 - Chlorine is put into the atmosphere by volcanoes...Ch. 17 - Prob. 71ECh. 17 - Prob. 72ECh. 17 - Exothermic reactions are favored because they...Ch. 17 - Prob. 74ECh. 17 - Prob. 75ECh. 17 - What role does entropy play in chemical reactions?Ch. 17 - Prob. 77ECh. 17 - Under what conditions will a hot pie not lose heat...Ch. 17 - As the Sun shines on a snow-capped mountain, much...Ch. 17 - Wild plants readily grow all by themselves, yet...Ch. 17 - Prob. 81DQCh. 17 - Prob. 1RATCh. 17 - Which has the greatest number of atoms? (a) 28 g...Ch. 17 - Prob. 4RATCh. 17 - The yeast in bread dough feeds on sugar to produce...Ch. 17 - What can you deduce about the activation energy of...Ch. 17 - What role do CFCs play in the catalytic...Ch. 17 - Prob. 8RATCh. 17 - How much energy, in kilojoules, is released or...Ch. 17 - Prob. 10RAT
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