Chem 103

Lewis Structures - represents the transfer or the sharing of electrons in chemical bonds octet rule - EVERY ATOM WANTS 8 ELECTRONS IN THEIR OUTERSHELL ionic bonding - chemical bond formed through the transfer of one or more electrons from one atom or group of atoms to another group EX : NaBr metals - give nonmetals - take oxidation number - the superscript indicating the charge on an ion ion - atom with either positive or negative charge binary compound - compounds in which 2 elements a...

CHEM 103 Exam 1-6 Combined with Final Exam 2023 Actual Questions and Answers 100%Correct. Exam 1-6 EXAM 1 Question 1 1. Convert 1005.3 to exponential form and explain your answer. 2. Convert 4.87 x 10-6 to ordinary form and explain your answer. Answer: 1. Convert 1005.3 = larger than 1 = positive exponent, move decimal 3 places = 1.0053 x 103 2. Convert 4.87 x 10-6 =negative exponent =smaller than 1, move decimal 6 places = 0. Question 2 Using the following information, do the conver...

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Cell Signaling and Apoptosis Types of Signaling • A ligand is a molecule that has specificity for a given receptor, and the binding of a ligand to the given receptor causes a change. • There is a wide array of cell ligands: hormones, peptides, sugars, and even small, hydrophobic molecules. • Regardless of its type, a ligand is always specific for the target receptor. This ligand-to-receptor specificity helps to regulate responses in the target cell while not impacting non-target cell...

Complete the two problems below: 1. Convert 0.00346 to exponential form and explain your answer. 2. Convert 2.76 x 104 to ordinary form and explain your answer. Your Answer: 1. 3.46 10^-3 = negative exponent = smaller than 1, move decimal 3 places. 2. 27600.0 = larger than 1 = positive exponent, move decimal 4 places. 1. 0.00346 = smaller than 1 = negative exponent, move decimal 3 places = 3.46 x 10-3 2. 2.76 x 104 = positive exponent = larger than 1, move decimal 4 places = 27600 Que...

CHEM 103 FINAL EXAM SOLUTIONS (2023/2024) UPDATE>answeredCHEM 103 FINAL EXAM SOLUTIONS (2023/2024) UPDATE>answered

Lemon juice is acidic, which is an example of a______? a. physical property b. chemical property c. physical change d. chemical change - Answer-b. chemical property Which measurement contains four significant figures? a. 0.00k km b. 3400 K c. 20.10 mL d. 0.350 L - Answer-c. 20.10 How many significant figures will the answer to the following calculation have? (4.593m - 4.589 m) / 4.489 a. 1 b. 2 c. 3 d. 4 - Answer-a. 1 How many meters are in 25 x 10^-3 kilometers? a. 250 meters ...

Portage Learning / CHEM 103 / Module 1 to 6 Exam Questions and !00% Solutions 1 Contents MODULE 1 EXAM ...................................................................................................................................................... 1 MODULE 2 EXAM ...................................................................................................................................................... 6 MODULE 3 EXAM ............................................................

CHEM 103 Final Exam Questions and Answers All Correct Which of the following is a pair of reversible processes A. vaporization and freezing B. sublimation and condensation C. Deposition and sublimation D. melting and condensation E. none of the above - ANSWER C. Deposition and sublimation Which is NOT a chemical A. Salt B. Light C. Carbon Dioxide D. Water E. Sugar - ANSWER B. Light The energy of motion is referred to as A. Work B. Freezing C. Specific Heat...

CHEM 103 MODULE 1 TO 6 EXAM LATEST 2023 QUESTIONS & CORRECT ANSWERS PORTAGE LEARNING COMPLETE AGRADE 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 = smaller t...