
Chemistry: Structure and Properties Custom Edition for Rutgers University General Chemistry
15th Edition
ISBN: 9781269935678
Author: Nivaldo J. Tro
Publisher: Pearson Education
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Question
Chapter 2, Problem 84E
Interpretation Introduction
Interpretation:
Mass is a physical quantity whose SI unit is kilogram and CGS unit is gram.
Concept introduction:
Mole contains atoms.
To determine:
The number of automobiles whose total mass is the same as mole blueberries.
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1,
How many signals do you expect in the H NMR spectrum for this molecule?
Write the answer below.
Also, in each of the drawing areas below is a copy of the molecule, with Hs shown. In each copy, one of the H atoms is colored red. Highlight in red all other H
atoms that would contribute to the same signal as the H already highlighted red.
Note for advanced students: In this question, any multiplet is counted as one signal.
Number of signals in the 'H NMR spectrum.
For the molecule in the top drawing area, highlight in red any other H atoms that will contribute to
the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
No additional Hs to color in top
molecule
For the molecule in the bottom drawing area, highlight in red any other H atoms that will contribute.
to the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
No additional Hs to color in bottom
molecule
Check…
Incorrect
Row 2: Your answer is incorrect.
Consider this molecule:
How many H atoms are in this molecule?
22
How many different signals could be found in its 'H NMR spectrum?
12
Note: A multiplet is considered one signal.
13
How many signals would you expect to see in the
Check
O
signal(s)
X
§
'C NMR spectrum for the following compound?
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Chapter 2 Solutions
Chemistry: Structure and Properties Custom Edition for Rutgers University General Chemistry
Ch. 2 - Prob. 1SAQCh. 2 - Convert 1,285 cm2 to m2. a) 1.285 X 107 m2 b)...Ch. 2 - Prob. 3SAQCh. 2 - Prob. 4SAQCh. 2 - Prob. 5SAQCh. 2 - Prob. 6SAQCh. 2 - Prob. 7SAQCh. 2 - A solid copper cube contains 4.3 X 1023 atoms....Ch. 2 - Determine the number of atoms in 1.85 mLof...Ch. 2 - Prob. 10SAQ
Ch. 2 - Prob. 1ECh. 2 - Prob. 2ECh. 2 - Explain the difference between precision and...Ch. 2 - Prob. 4ECh. 2 - Explain the difference between density and mass.Ch. 2 - Prob. 6ECh. 2 - Prob. 7ECh. 2 - Prob. 8ECh. 2 - What kind of energy is chemical energy? In what...Ch. 2 - Prob. 10ECh. 2 - What is dimensional analysis?Ch. 2 - Prob. 12ECh. 2 - Prob. 13ECh. 2 - Prob. 14ECh. 2 - A ruler used to measure a penny has markings every...Ch. 2 - A scale used to weigh produce at a market has...Ch. 2 - Prob. 17ECh. 2 - Prob. 18ECh. 2 - Prob. 19ECh. 2 - A titanium bicycle frame displaces 0.314 L of...Ch. 2 - Glycerol is a syrupy liquid used in cosmetics and...Ch. 2 - Prob. 22ECh. 2 - Prob. 23ECh. 2 - Prob. 24ECh. 2 - A small airplane takes on 245 L of fuel. If the...Ch. 2 - Prob. 26ECh. 2 - Prob. 27ECh. 2 - Prob. 28ECh. 2 - Perform each unit conversion. a. 154 cm to in b....Ch. 2 - Prob. 30ECh. 2 - A runner wants to run 10.0 km. She knows that her...Ch. 2 - Prob. 32ECh. 2 - Prob. 33ECh. 2 - Prob. 34ECh. 2 - Prob. 35ECh. 2 - Prob. 36ECh. 2 - Prob. 37ECh. 2 - Prob. 38ECh. 2 - Prob. 39ECh. 2 - Prob. 40ECh. 2 - Prob. 41ECh. 2 - Prob. 42ECh. 2 - Prob. 43ECh. 2 - Prob. 44ECh. 2 - Prob. 45ECh. 2 - Prob. 46ECh. 2 - Prob. 47ECh. 2 - Prob. 48ECh. 2 - Prob. 49ECh. 2 - Prob. 50ECh. 2 - Prob. 51ECh. 2 - What is the mass of 4.91X1021 platinum atoms?Ch. 2 - Prob. 53ECh. 2 - Prob. 54ECh. 2 - Prob. 55ECh. 2 - Prob. 56ECh. 2 - Prob. 57ECh. 2 - Prob. 58ECh. 2 - Prob. 59ECh. 2 - Prob. 60ECh. 2 - Prob. 61ECh. 2 - Prob. 62ECh. 2 - Prob. 63ECh. 2 - Prob. 64ECh. 2 - A steel cylinder has a length of 2.16 in, a radius...Ch. 2 - Prob. 66ECh. 2 - Prob. 67ECh. 2 - An iceberg has a volume of 7655 cu ft. What is the...Ch. 2 - Prob. 69ECh. 2 - Prob. 70ECh. 2 - Prob. 71ECh. 2 - A sample of gaseous neon atoms at atmospheric...Ch. 2 - The diameter of a hydrogen atom is 212 pm. Find...Ch. 2 - The world's record in the 100-m dash is 9.58 s,...Ch. 2 - Table salt contains 39.33 g of sodium per 100 g...Ch. 2 - Lead metal can be extracted from a mineral called...Ch. 2 - A length of #8 copper wire (radius = 1.63 mm) has...Ch. 2 - Rolls of foil are 304 mm wide and 0.016 mm thick....Ch. 2 - Prob. 79ECh. 2 - Prob. 80ECh. 2 - Prob. 81ECh. 2 - Prob. 82ECh. 2 - Prob. 83ECh. 2 - Prob. 84ECh. 2 - A pure copper sphere has a radius of 0.935 in. How...Ch. 2 - A pure titanium cube has an edge length of 2.78...Ch. 2 - A 67.2-g sample ofa gold and palladium alloy...Ch. 2 - Common brass is a copper and zinc alloy containing...Ch. 2 - Prob. 89ECh. 2 - Prob. 90ECh. 2 - In 1999, scientists discovered a new class of...Ch. 2 - Polluted air can have carbon monoxide (CO) levels...Ch. 2 - Nanotechnology, the field of building ultrasmall...Ch. 2 - Prob. 94ECh. 2 - A box contains a mixture of small copper spheres...Ch. 2 - In Section 2.8, it was stated that 1 mol of sand...Ch. 2 - Prob. 97ECh. 2 - A cube has an edge length of 7 cm. If it is...Ch. 2 - Substance A has a density of 1.7 g/cm3. Substance...Ch. 2 - For each box, examine the blocks attached to the...Ch. 2 - Prob. 101ECh. 2 - Without doing any calculations, determine which of...
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- 13 Consider the "C NMR spectrum below. 140 120 100 80 60 40 20 20 PPM 0 The spectrum belongs to which one of the following constitutional isomers of the compound C,H12? Select the single best answer. Check ✓ G Save For Later 2025 McGraw Hill LLC. All Rights Reserved. Terms of Usearrow_forwardThe structure of compound 1,3,5-trimethylbenzene (mesitylene) is given below. How many signals would you expect to find in the 'H NMR spectrum of 1,3,5-trimethylbenzene (mesitylene)? Check ×arrow_forward1 How many signals do you expect in the 'H NMR spectrum for this molecule? CI CI Cl Write the answer in the table below. Also, in each of the drawing areas below is a copy of the molecule, with H atoms shown. In each copy, one of the H atoms is highlighted red. Highlight in red all other H atoms that would contribute to the same signal as the H already highlighted red. Note for advanced students: Remember, a multiplet is considered one signal in the 'H NMR spectrum. 1 Number of signals in the 'H NMR spectrum. ☐ For the molecule in the top drawing area, highlight in red any other H atoms that will contribute to the same signal as the H atom already highlighted red. If no other H atoms will contribute, check the box at right. No additional H atoms to highlight in top molecule For the molecule in the bottom drawing area, highlight in red any other H atoms that will contribute to the same signal as the H atom already highlighted red. If no other H atoms will contribute, check the box at…arrow_forward
- wrtie the balanced equation and find the E° when the following half- reactions are combined Zn2+(aq) + 2e---> Zn(s) E°= -0.763V Ag+(aq) + e---> Ag (s) E°=+0.799Varrow_forwardConsider this molecule: How many H atoms are in this molecule? How many different signals could be found in its 'H NMR spectrum? Note: A multiplet is considered one signal. ☐arrow_forwardStudy this 'H NMR spectrum, and then answer the questions about it in the table below. Check 1.0- 0.5- 0.0 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 What unit symbol should be written on the horizontal axis? What is the chemical shift & of the doublet? If there is no doublet, just check the box instead. Give your answer to 2 significant digits. What is the chemical shift of the signal immediately upfield of the doublet? If there is no doublet, or no signal upfield of it, check the box instead. What is the chemical shift & of the least deshielded proton? If you can't tell without more information, check the box instead. 血 8 = ☐ There is no doublet. 8 = ☐ No such signal. 8 = 0 Need more information.arrow_forward
- how many moles of H2O2 are required to react with 11g of N2H4 according to the following reaction? (atomic weights: N=14.01, H=1.008, O= 16.00) 7H2O2 + N2H4 -> 2HNO3 + 8H20arrow_forwardcalculate the number of moles of H2 produced from 0.78 moles of Ga and 1.92 moles HCL? 2Ga+6HCL->2GaCl3+3H2arrow_forwardan adult human breathes 0.50L of air at 1 atm with each breath. If a 50L air tank at 200 atm is available, how man y breaths will the tank providearrow_forward
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