Grams to moles Study guides, Class notes & Summaries
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DAT – Chemistry Written Exam Questions Correctly Answered.
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DAT – Chemistry Written Exam Questions Correctly Answered. 
 
 
For the reaction below, which of the following sets of coefficients would balance the reaction? 
__HNO3 + __S → __H2SO4 + __NO2 + __H2O - CORRECT ANSWER 6,1,1,6,2 
 
Which of the following interactions is the strongest? - CORRECT ANSWER Ionic Bonds 
 
What is the maximum number of electrons that the d-subshell can hold? - CORRECT ANSWER 10 
 
Calcium chromate (CaCrO4) is a yellow solid with a Ksp of 7.1 x 10-4. Determine the ion...
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STRAIGHTERLINE CHEM101 FINAL
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total number of neutrons and protons in an atom; # protons + # electrons 
p 
Most nonmetallic elements are found in which block of the periodic table? 
Positive matter is concentrated in the central core 
Ernest Rutherford disproved J.J. Thomson's plum-pudding model of the atom by showing that... 
Potassium 
Plants use up copious amounts of which alkali metal, preventing most of it from being washed out to sea? 
2:1:1:2 
What is the ratio of reactants and products in the chemical equation? 
__N...
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UCSB CHEM 6AL Final Exam Questions With 100% Correct Answers.
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Intermolecular forces and how they affect physical properties /purification techniques: dipole-dipole, 
electrostatic, hydrogen, ion, london, - Answer-*dipole-dipole*: polar covalent molecules such as 
aldehydes and ketones. positive and negative end. polar molecules must be close together for force 
to be significant. weaker than ion-dipole forces; increase with polarity of molecule. 
*electrostatic*: occur between charged species, cations and anions, and are responsible for very high 
MP and B...
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Clinical Chemistry Lab Final Exam Questions And Answers 2024.
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Which of the following reflects on osmolality? 
a. Activity of ions per kilogram of solvent. 
b. Grams of solute per kilogram of solvent. 
c. Moles of dissolved solute per kilogram of solvent. 
d. Mass of solute per kilogram of solvent. 
e. Kilogram of solute per liter of solvent. - Answer c. Moles of dissolved solute per kilogram of solvent. 
 
Flame emission spectrophotometry is used for analysis of sodium, potassium, and lithium ions. The concentration of analyte in the sample is prop...
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HESI A2 CHEMISTRY-CHRISJAY FILES (1) (1)
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HESI A2 ENTRANCEEXAM 
FOR 
CHAMBERLAINCOLLGE 
OF NURSING 
2023 QUESTIONS WITH 
ANSWERS 
CHEMISTRY 
HESI A2 CHEMISTRY V1/V2 FILE 
1. If a Hydrogen isin a compound, what would its oxidation number be? 
+1 
2. What isthe oxidation number of any simple ion? 
+1 or -1 depending on the charge of the ion 
3. How many kilograms are in a pound? 
0. kg 
4. What is the temperature for freezing point of water in Celsius? 
0 degrees Celsius (32°F for Fahrenheit) 
5. What is the conversion of Celsius to Fah...
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Straighterline CHEM101 Final Exam Graded A+
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Mass Number - ANSWER-total number of neutrons and protons in an atom; # protons + # electrons 
 
p - ANSWER-Most nonmetallic elements are found in which block of the periodic table? 
 
Positive matter is concentrated in the central core - ANSWER-Ernest Rutherford disproved J.J. Thomson's plum-pudding model of the atom by showing that... 
 
Potassium - ANSWER-Plants use up copious amounts of which alkali metal, preventing most of it from being washed out to sea? 
 
2:1:1:2 - ANSWER-What is the r...
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MLS 121 Laboratory Midterm Exam Questions & answers | Best For 2024 Exam
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MLS 121 Laboratory Midterm Exam Questions & answers | Best For 2024 Exam 5/20/22, 11:47 AM MLS 121 Laboratory Midterm Exam 

Student Identification 0 of 0 points 
Kindly complete the data below. 
MLS 121 Laboratory Midterm Exam Total points 66/100 
Good Day! 
The MIDTERM examination is a 100-POINT ONLINE EXAM that will utilize a Google Form. It 
is composed of Multiple Choice questions that is answerable within TWO HOURS ONLY. The 
examination shall cover Activities 3 and 4. The exam questionnai...
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Analytical Chemistry Final- ACS Exam (100% Correct answers)
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ppm correct answers (grams analyte/grams sample)x10^6 
 
Molarity correct answers moles analyte/liter of solution 
 
Volume Percent correct answers (volume solute/volume soution)x100 
 
Volume ppm correct answers (volume solute/volume solution)x10^6 
 
kilo- correct answers 10^3 
 
deci- correct answers 10^-1 
 
centi- correct answers 10^-2 
 
milli- correct answers 10^-3 
 
micro- correct answers 10^-6 
 
nano- correct answers 10^-9 
 
pico- correct answers 10^-12 
 
femto- correct answers 10^-...
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Straighterline Chemistry Final Exam Questions and Answers | Latest Version | 2024/2025 | Already Passed
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Straighterline Chemistry Final Exam 
Questions and Answers | Latest Version 
 
| 2024/2025 | Already Passed 
 
What is the primary purpose of a catalyst in a chemical reaction? 
To increase the equilibrium constant 
To increase the rate of the reaction 
To shift the position of equilibrium 
 To lower the activation energy required for the reaction 
 
Which of the following represents the correct electron configuration for an oxygen atom? 
1s2 2s2 2p2 
1s2 2s2 2p4 
1s2 2s2 2p3 
 1s2 2s2 2p4 
 
In...
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Straighterline CHEM101 Final Exam Study Guide 2023/2024 Questions with Complete Solutions
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total number of neutrons and protons in an atom; # protons + # electrons - Correct Answer Mass Number 
 
Most nonmetallic elements are found in which block of the periodic table? - Correct Answer p 
 
Ernest Rutherford disproved J.J. Thomson's plum-pudding model of the atom by showing that... - Correct Answer Positive matter is concentrated in the central core 
 
Plants use up copious amounts of which alkali metal, preventing most of it from being washed out to sea? - Correct Answer Potassium 
...
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