Nh4 charge and name - Study guides, Class notes & Summaries
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Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update)
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Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update) 
 
 
MODULE 1 EXAM 
Question 1	 Click this link to access the Periodic Table. This may be helpful throughout the exam. 
1.	Convert 845.3 to exponential form and explain your answer. 
2.	Convert 3.21 x 10-5 to ordinary form and explain your answer. 
 
 
1.	Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places 
= 8.453 x 102 
2.	Convert 3.21 x 10-5 = negative exponent = smalle...
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IB Chemistry SL: Topic 4 Latest Version Graded A
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IB Chemistry SL: Topic 4 Latest Version 
 
Graded A 
 
Ionic Bond Electrostatic attraction between oppositely charged ions 
 
Covalent Bond Electrostatic attraction between a pair of electrons and positively charged 
nuclei, formed as a result of electron sharing 
 
Metallic Bond Electrostatic attraction between a lattice of positive ions and delocalized 
electrons 
 
Polyatomic ions ions with more than one element 
 
e.g. CaCO3, Al(OH)3, Mg(NO3)2, (NH4)2SO4, Ba3PO4, LiHCO3 
 
Lattice ions arran...
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MCAT entrance exam all subjects combined questions & answers latest update
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m 
 
 
 
 
 
 
1.	Which of the following is the mRNA start codon in most cases? 
 
A.	UAA	B. AGU	C. AUG	D. UGA 
 
 
 
2.	Which of the types of RNA is the smallest? 
 
A.	mRNA	B. tRNA	C. rRNA	D. 
 
 
 
3.	Which of the following is not considered a pyrimidine? 
 
A.	C	B. T	C. U	D. G 
 
 
 
4.	Which of the following is paired correctly? 
 
A.	A-G	B. C-G	C. A-U	D. G-T 
 
 
 
5.	Which of the following characterizes a Western blot? 
 
A.	Antibody/protein hybridization	B. DNA/RNA combination	C. RNA ...
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Portage Learning / CHEM 104 / Module 1 to 6 Exams
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Portage Learning / CHEM 104 / Module 1 to 6 Exams 
. 
 
MODULE 1 EXAM 
Question 1	 Convert 845.3 to exponential form and explain your answer. 
1.	Convert 3.21 x 10-5 to ordinary form and explain your answer. 
 
 
1.	Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places 
= 8.453 x 102 
2.	Convert 3.21 x 10-5 = negative exponent = smaller than 1, move decimal 5 places = 0. 
 
Question 2	 
 
 
Using the following information, do the conversions shown below, showing all work:...
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Questions & Answers on Coordination Chemistry (D Ray)
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Questions & Answers on Coordination Chemistry (D Ray) 
 1. What are the geometries of the following two complexes? 
(i) [AlCl4]‐ 
(ii) [Ag(NH3)2]+ 
Ans. tetrahedral, linear 
2. What is the respective central‐metal oxidation state, coordination number, and the 
overall charge on the complex ion in NH4[Cr(NH3)2(NCS)4]? 
Ans. +3; 6; 1‐ 
3. 
The formula for lithium iodotris(trifluorophosphine)nickelate(0) is: (Note: 
trifluorophosphine is a neutral ligand with the formula PF3.) 
A...
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Chemistry 115 Final Exam Questions with Verified Solutions
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Chemistry 115 Final Exam Questions with Verified Solutions Any ionic compound containing group IA or NH4+ cations are.... Always Soluble 
Ionic compounds containing NO3-, NO2-, ClO3-, ClO4-, C2H3O2-, & HCO3- anions are Always Soluble 
Ionic compounds containing Cl-, Br-, & I- anions are soluble EXCEPT when combined with... Ag, Hg, and Pb cations 
Ionic compound containing SO4^2- are soluble EXCEPT when combined with... Ag, Hg, Pb, Ca, Sr, Ba 
Ionic compounds containing So3^2-, S^2-, CO3^2-, PO4^...
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GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY PAPER 2 2024/2025 QUESTION PAPER ALREADY PASSED
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GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY 
PAPER 2 2024/2025 QUESTION PAPER ALREADY 
PASSED 
What does 'aq' mean? - answer Aqueous - it is dissolved in water 
Water - formula - answer H20 
Ammonia - formula - answer NH3 
Carbon Dioxide - formula - answer CO2 
Hydrogen - formula - answer H2 
Chlorine - formula - answer Cl2 
Oxygen - formula - answer O2 
Ammonium (ion) - formula - answer NH4 (+) 
Hydroxide (ion) - formula - answer OH (-) 
Nitrate (ion) - formula - answer NO3 (-) 
Carbonate (ion) -...
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Straighterline CHEM101 General Chemistry I Graded Exam 4 (New Version June 2024)
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Question 1 
Correct 
5.00 points out 
of 5.00 
According to which scientific law does the entropy of the universe increase in spontaneous 
processes and remain unchanged in equilibrium processes? 
Select one: 
A. 1st universal law 
B. 1st law of entropy 
C. 2nd law of thermodynamics 
D. 3rd law of thermodynamics 
E. 1st law of thermodynamics 
Straighterline CHEM101 General Chemistry I Graded Exam 4 (New Version June 2024) 
We are a team of experts offering class attendance for all Straighterline...
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CRSS 3060 EXAM 1 STUDY GUIDE | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+
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1 
CRSS 3060 EXAM 1 STUDY GUIDE | 
QUESTIONS & ANSWERS (VERIFIED) | 
LATEST UPDATE | GRADED A+ 
What is soil? 
Correct Answer: 1. The surface layer of Earth that supports plant life, any place for 
growth or development, ground or earth 
2. Soil = Air + Water + Solids 
3. Sand, Silt, Clay 
What are the five functions of soil? 
Correct Answer: 1. Medium for plant growth 
2. Water supply & purification 
3. Nature's recycling system 
4. Habitat for organisms 
5. Engineering medium 
How many inc...
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GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY PAPER 2 2024/2025 QUESTION PAPER ALREADY PASSED
- Exam (elaborations) • 15 pages • 2024
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GCSE EDEXCEL TRIPLE SCIENCE CHEMISTRY 
PAPER 2 2024/2025 QUESTION PAPER ALREADY 
PASSED 
What does 'aq' mean? - answer Aqueous - it is dissolved in water 
Water - formula - answer H20 
Ammonia - formula - answer NH3 
Carbon Dioxide - formula - answer CO2 
Hydrogen - formula - answer H2 
Chlorine - formula - answer Cl2 
Oxygen - formula - answer O2 
Ammonium (ion) - formula - answer NH4 (+) 
Hydroxide (ion) - formula - answer OH (-) 
Nitrate (ion) - formula - answer NO3 (-) 
Carbonate (ion) -...
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