Empirical formulas - Study guides, Class notes & Summaries

Formulas to conv. Celsius to Fahrenheit Ans: 1. F = (C x 9/5) +32 2. C = (F +32) x 5/9 Formulas to conv. Kelvin to Celsius Ans: C = K - 273.15 Formula for density Ans: d = m/v How to find neutrons in an isotope? Ans: number given - number of protons (equal to number on periodic table) How to write formulas for ionic compounds Ans: balance charges How to name for molecular compounds Ans: use prefixes How to name ionic compounds Ans: use roman numerals for metals and add ide to non m...

Chapter 02 Atoms and the Periodic Table 1. The scientist who determined the magnitude of the electric charge on the electron was A. John Dalton. B. Robert Millikan. C. J. J. Thomson. D. Henry Moseley. E. J. Burdge. Blooms: 1. Remember Difficulty: Easy Gradable: automatic Subtopic: Structure of the Atom Topic: Components of Matter 2. When J. J. Thomson discovered the electron, what physical property of the electron did he measure? A. its charge, e B. its charge-to-mass ratio,...

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 ...

Find the molar mass of glucose? (C6 H12 O6) 6X12.01=72.06 12X1.01=12.12 6X16=96 =180.18g Find the molar mass of Al2 (SO4)3 2X26.98=53.96 3X32.07=96.21 12X16=192 = 342.17g Find the molar mass of Ba (NO3)2 1X137.33=137.33 2X14.01=28.02 6X16=96 = 261.35g Find the percentage of Oxygen in KClO3 1X39.10=39.10 48/122.55X100 1X35.45=35.45 3X16=48 =39.2% Molar mass= 122.55g Find the percentage of water in MgCl2 X 6H20 1X24.31=24.31 108.12/203.33X100 2X35.45=7...

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...

Kines 100 Philosophy Exam Questions All Solved According to Althusser, who is a philosopher? a.) Only philosopher teachers b.) Philosophy professors and those who read philosophy books and articles c.) Everybody who is willing to adopt a critical attitude towards his or her worldview. d.) Everybody in any situation - Answer -c.) Everybody who is willing to adopt a critical attitude towards his or her worldview. **this is a materialist mindset Why does Althusser argue that philosophy ...

Chapter 03 - Stoichiometry 1. Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains a. 79 protons, 79 electrons, and 35 neutrons. b. 35 protons, 44 neutrons, and 35 electrons. c. 44 protons, 44 electrons, and 35 neutrons. d. 34 protons and 35 electrons only. e. 35 protons, 79 neutrons, and 35 electrons. ANSWER: POINTS: DIFFICULTY: TOPICS: KEYWORDS: b 1 easy 3.1 atomic theory of matter | early atomic theory | general chemistry | is...

Chapter 03 - Stoichiometry 1. Bromine exists naturally as a mixture of bromine-79 and bromine-81 isotopes. An atom of bromine-79 contains a. 79 protons, 79 electrons, and 35 neutrons. b. 35 protons, 44 neutrons, and 35 electrons. c. 44 protons, 44 electrons, and 35 neutrons. d. 34 protons and 35 electrons only. e. 35 protons, 79 neutrons, and 35 electrons. ANSWER: POINTS: DIFFICULTY: TOPICS: KEYWORDS: b 1 easy 3.1 atomic theory of matter | early atomic theory | general chemistry | isoto...

Physiological roles of carbohydrates correct answers -Sources of energy -Energy storage -Structural roles -Cellular interaction -Cellular identification -Information transfer (DNA & RNA) -Signaling Monosaccharide families correct answers -Carbohydrates have empirical formulas of (CH2O)N, where n>= 3 (usually 3-6) -Two major forms classes of carbohydrates; aldoses, and ketoses Aldoses correct answers -Which have aldehyde group Ketoses correct answers -Which have ketone groups ...

what are the physiological roles of carbohydrates? correct answers 1. energy sources 2. energy storage 3. structural roles 4. cellular communication 5. information transfer (DNA & RNA) what are the 5 different carbohydrates? correct answers monosaccharides, disaccharides, oligosaccharides, polysaccharides, glycoconjugates What are monosaccharides? correct answers smallest unit of carbohydrate structure What are disaccharides? correct answers two monosaccharides covalently linked tog...