Net ionic equation - Study guides, Class notes & Summaries

Chapter 3—Chemical Reactions MULTIPLE CHOICE 1. Nitroglycerin decomposes violently according to the balanced chemical equation below. 2 C3H5(NO3)3( )  3 N2(g) + 1/2 O2(g) + 6 CO2(g) + 5 H2O(g) Which of the following statements concerning this reaction is/are CORRECT? 1. Two moles of nitroglycerine will produce three moles of nitrogen and five moles of water. 2. Four molecules of nitroglycerine will produced one molecule of oxygen and twelve molecules of carbon dioxide. 3. Six grams...

MULTIPLE CHOICE 1. Nitroglycerin decomposes violently according to the balanced chemical equation below. 2 C3H5(NO3)3( )  3 N2(g) + 1/2 O2(g) + 6 CO2(g) + 5 H2O(g) Which of the following statements concerning this reaction is/are CORRECT? 1. Two moles of nitroglycerine will produce three moles of nitrogen and five moles of water. 2. Four molecules of nitroglycerine will produced one molecule of oxygen and twelve molecules of carbon dioxide. 3. Six grams of nitroglycerine w...

AP CHEMISTRY FINAL EXAM REVIEW A sample of 9.00 grams of aluminum metal is added to an excess of hydrochloric acid. The volume of hydrogen gas produced at standard temperature and pressure is (A) 22.4 liters (C) 7.46 liters (B) 11.2 liters (D) 5.60 liters - Answer>> (B) 11.2 liters What is the net ionic equation for the reaction that occurs when aqueous copper(II) sulfate is added to excess 6- molar ammonia? (A) Cu2+ + SO42- + 2 NH4+ + 2 OH- -> (NH4)2SO4 + Cu(OH)2 (B) Cu2+ ...

ACS GEN CHEM 1 FINAL Exam 166 Questions with Verified Answers The physical material of the universe. It is anything that has mass and occupies space. - CORRECT ANSWER Matter is made up of relatively few elements. - CORRECT ANSWER Matter The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). - CORRECT ANSWER Atom Each _______ is made of the same kind of atom - CORRECT ANSWER Element Combination of atoms held together i...

General Chemistry II (CHEM113) ACS Final 289 Questions with Verified Answers The two states that are collectively known as the condensed states are _______. - CORRECT ANSWER solid and liquid The attractive forces that exist between all molecules and atoms, and are the forces that hold many solids and liquids together - CORRECT ANSWER intermolecular forces Intermolecular forces are only significant at _____. - CORRECT ANSWER short distances The state of a sample of matter is determine...

Honors Chemistry Midterm Review Verified Answers Chemistry: ️ The study of matter, its properties, and the changes it undergoes. Element: ️ A substance that cannot be broken down any further into simpler substances. Compound: ️ Composed of two or more separate elements. Chemical Reaction: ️ A process that involves the rearrangement of the molecular or ionic structure of a substance. Physical Change: ️ Changes that do not result in the formation of a new, d...

Calculate the pH of a 0.10M HOAc (acetic acid) solution. - Answer-pH = -log(.10) = 1 Calculate the pH of each of the following solutions: a. 0.10M HCl b. 2.0x10^-4M HNO3 c. 0.015M NaOH d. 12M HCl - Answer-Use equation: pH = -log(molarity) a. 1 b. 3.7 c. 12.17 d.-1.1 Calculate the total number of moles of acid in 33.6 mL of 0.10M HCl and 0.10M H2SO4. - Answer-.00336 mol each Calculate the total number of moles of base in: a. 675 mg CaCO3 b. 135 mg Mg(OH)2 - Answer-a. 0.00674 b. 0.0...

ACS General Chemistry Unit 8 Acids-Bases Multiple Choice 82 Questions with Verified Answers In pure water, some of the molecules ionize according to the equation H2O ⇌ H+ + OH− The extent of the ionization increases with temperature. A student heats pure water and records the measured pH at 50°C as 6.6. Based on this information, which of the following mathematical relationships gives the pOH of pure water at 50°C ? - CORRECT ANSWER pOH = pH In pure water, some of the molecule...

CHEM TEST SOLUTIONS 100% VERIFIED SOLUTIONS Which of the following ionic compounds is insoluble in water? -NaCl - CaCl2 -FeCl3 -BaCl2 - PbCl2 - ANSWER PbCl2 The equation 2Al(s) + 3Br2(l) → 2AlBr3(s) is a(n) ______________ reaction. -oxidation-reduction and synthesis -oxidation-reduction only -synthesis only - decomposition - combustion - ANSWER oxidation-reduction and synthesis An aqueous solution of ammonium carbonate is allowed to react with an aqueous solution of magnesiu...

General Chemistry ACS Final Exam 89 Questions with Verified Answers Protons - CORRECT ANSWER defines the element; positive charge; equal to the atomic number Neutrons - CORRECT ANSWER equal to mass number-number of protons; neutral charge Electrons - CORRECT ANSWER negative charge; dependent on the charge of the atom Cations - CORRECT ANSWER Positively charged ions Anions - CORRECT ANSWER Negatively charged ions Isotopes - CORRECT ANSWER when the number of neutrons varies but i...