Dissolving metal reaction - Study guides, Class notes & Summaries

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...

Back siphonage - ANSWER backflow due to negative or reduced pressure in water system. occurs during low pressure events such as a line leak Reverse flow caused by a loss of supply pressure Back Pressure - ANSWER Is caused when a potable water system is connected to a non potable supply operating under a higher pressure that pushes contaminated liquid back into the public water system Back Pressure - ANSWER Occurs when the pressure of the connected system exceeds the pressure of the drin...

CT DDS Med Cert Latest Exam 2023/2024 Absorption Movement of medication from the stomach or intenstines in the blood stream. Acute Illness Sickness that begins quickly and last a short time Adverse effect Unexpected and possibly serious or life threatening effects of a medication Akathesia Inability to sit still Analgesics Medication to relieve pain Anaphylaxis A severe, potentially life threatening allergic reaction that requires immediate emergency medical care Antacids Medicat...

Chapter 3: Chemical Reactions 1. Which of the following cannot be determined from a balanced chemical equation? a. b. c. d. e. ANSWER: POINTS: TOPICS: OTHER: The number of molecules of reactants and products. The number of atoms of each element reacting. The number of moles of reactants and products. The relative mass of each reactant and product. Whether the reaction will proceed as written. e 1 3.1 Chemical Equations Comprehension 2. In the reaction given below, if 12 moles of aluminu...

Electron configuration for cations - CORRECT ANSWER Subtract 1 from expo-nent of highest n-value orbital (ex. remove from 4s before 3d) Ag+ = [Kr]5s^1 4d^9 Electron configuration for anions - CORRECT ANSWER Add 1 to closest orbital Cl- = [Ne]3s^2 3p^6 Atomic orbitals - CORRECT ANSWER s, p, d, f Primary vs secondary structures of proteins - CORRECT ANSWER Primary - AA chain (linked by peptide bonds) Secondary - stabilized by non-covalent bonds (alpha he...

2 © OCR 2023 Section A You should spend a maximum of 20 minutes on this section. Write your answer to each question in the box provided. 1 What is the part of the atom labelled X called? X A Core B Ion C Nucleus D Shell Your answer [1] 2 The table shows the properties of four different substances. Which substance is a metal? Substance Appearance at room temperature Melting point and boiling point Conducts heat? A green gas low no B colourless solid high no C shiny red-ora...

Chem 1201 Exam 2 With 100% Correct And Verified Answers 2024 Aqueous Solution - Correct Answer-A solution in which water is the solvent. Solvent - Correct Answer-The dissolving medium of a solution; it is normally the component of a solution present in the greater amount. Solute - Correct Answer-A substance dissolved in a solvent to form a solution; it is normally the component of a solution present in the smaller amount Electrolyte - Correct Answer-A solute that produces ions in solut...

sp3 - ANSWER-tetrahedral 109.5 4 single bonds for oxygen and nitrogen tetrahedral bent sp2 - ANSWER-trigonal planar 120 1 double 2 single for oxygen and nitrogen trigonal planar linear sp - ANSWER-linear 180 1 triple 1 single or 2 double formula for alkane - ANSWER-CnH(2n+2) a organic molecule that contains at least one multiple bond is said to be__________ - ANSWER-unsaturated boiling point - ANSWER-the molecule with the most carbons will having the highest b...

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...

ACS Gen Chem Practice Exam 77 Questions with Verified Answers Which is the strongest oxidizing agent? N a →← N a + + e - 2 . 7 1 V Cd →← Cd2+ + 2e- 0.40 V H2 →← 2H+ +2e- 0.00V Ag→← Ag++e- -0.80V (A) Na+ (B)H2 (C) Cd0 (D)Ag+ - CORRECT ANSWER Ag+ All are examples of Lewis acid-base reactions except Cu2+(aq) + 4NH3(aq) →← [Cu(NH3)4]2+(aq) HCl(g) + NH3(g) → NH4Cl(s) H+(aq) + OH-(aq) →← H2O(l) 2Na(s) + Cl2(g) → 2NaCl(s) - CORRECT ANSWER 2Na + Cl2 -&gt...