Acc
... Count atoms on both sides (polyatomics can be counted as one if they are on both sides) Balance using coefficients (save H & O for last if they’re present) Check balancing and make sure coefficients are in the lowest ratio ...
... Count atoms on both sides (polyatomics can be counted as one if they are on both sides) Balance using coefficients (save H & O for last if they’re present) Check balancing and make sure coefficients are in the lowest ratio ...
AP Chemistry Summer Assignment 2016
... Welcome to AP Chemistry. It is my hope that you will be successful this year. One way to ensure this is true is to have a good grasp on the basics before we begin. The following assignment is designed as a review of the important concepts learned in your first year of chemistry. AP Chemistry is a di ...
... Welcome to AP Chemistry. It is my hope that you will be successful this year. One way to ensure this is true is to have a good grasp on the basics before we begin. The following assignment is designed as a review of the important concepts learned in your first year of chemistry. AP Chemistry is a di ...
Chemical reaction
... • Neutral= number of hydronium ions equal the number of hydroxide ions • Acid =number of hydronium ions in a solution is greater than the number of hydroxide ions (H) • Base= number of hydroxide ions in a solution is greater than the number of hydronium ions (OH) ...
... • Neutral= number of hydronium ions equal the number of hydroxide ions • Acid =number of hydronium ions in a solution is greater than the number of hydroxide ions (H) • Base= number of hydroxide ions in a solution is greater than the number of hydronium ions (OH) ...
2-1 Checkpoint - Jordan High School
... 1. Define atom. 2. How is it possible for two samples of hydrogen to contain the same number of atoms but have different weights? ...
... 1. Define atom. 2. How is it possible for two samples of hydrogen to contain the same number of atoms but have different weights? ...
Chemical Reactions
... Synthesis Reaction • Synthesis – 2 substances (reactants) combine to form a new substance (product). – Substances are either atoms (elements) or compounds in this case. A + ...
... Synthesis Reaction • Synthesis – 2 substances (reactants) combine to form a new substance (product). – Substances are either atoms (elements) or compounds in this case. A + ...
Presentation - Chem Rxns - stpats-sch3u-sem1-2013
... A catalyst is a substance which speeds up a reaction, but is chemically unchanged at the end of the reaction .e.g conc. H2SO4 in many different reactions Adding a catalyst has exactly this effect on activation energy. A catalyst provides an alternative route for the reaction. That alternative route ...
... A catalyst is a substance which speeds up a reaction, but is chemically unchanged at the end of the reaction .e.g conc. H2SO4 in many different reactions Adding a catalyst has exactly this effect on activation energy. A catalyst provides an alternative route for the reaction. That alternative route ...
Types of Reactions
... If you can’t come to the Monday Re-Do session, you MUST come before school two days for help. You MUST let me know that you’re interested by Thursday!!!! ...
... If you can’t come to the Monday Re-Do session, you MUST come before school two days for help. You MUST let me know that you’re interested by Thursday!!!! ...
Chemical Reactions and Enzymes What is a chemical reaction?
... Energy needed to start a reaction Identify the activation energy supplied for the following chemical reactions 1) Building a Fire 2) Turning on a Light 3) Starting a Car ...
... Energy needed to start a reaction Identify the activation energy supplied for the following chemical reactions 1) Building a Fire 2) Turning on a Light 3) Starting a Car ...
C:\Users\mrh70950\Documents\My Files\WordPerfect
... i. anti-addition stereochemistry yields 1-alkenes from terminal alkynes and (E)-alkenes from internal alkynes 2. double hydrogenation: addition of 2 mol of H2 to yield alkanes a. noble metal catalyst + excess H2 3. electrophilic additions (all by very similar mechanisms) a. hydrohalogenation: addit ...
... i. anti-addition stereochemistry yields 1-alkenes from terminal alkynes and (E)-alkenes from internal alkynes 2. double hydrogenation: addition of 2 mol of H2 to yield alkanes a. noble metal catalyst + excess H2 3. electrophilic additions (all by very similar mechanisms) a. hydrohalogenation: addit ...
snc 2do unit: chemistry unit test review questions
... 5. Identify the type of reaction, and write a balanced chemical equation for: A) zinc + iron (III) nitrate -------> ________ + ______________ B) potassium + oxygen ------> _________________ C) magnesium carbonate -----> magnesium oxide + carbon dioxide D) ___________ + ________________ iron (III) ...
... 5. Identify the type of reaction, and write a balanced chemical equation for: A) zinc + iron (III) nitrate -------> ________ + ______________ B) potassium + oxygen ------> _________________ C) magnesium carbonate -----> magnesium oxide + carbon dioxide D) ___________ + ________________ iron (III) ...
Exam practice answers
... (1/50) 100 = 2%. Given the inaccuracy of the experiment this is not a significant error. (c) There are many examples that could be used. The mark scheme shown below would be applied to all answers. The marking points are: ...
... (1/50) 100 = 2%. Given the inaccuracy of the experiment this is not a significant error. (c) There are many examples that could be used. The mark scheme shown below would be applied to all answers. The marking points are: ...
Unit 2: Learning outcomes
... Tollens’ reagent or Fehling’s solution can be used to distinguish between aldehydes and ketones. Aldehydes reduce the complexed silver(I) ion and the complexed copper(II) ion to silver and copper(I) oxide, respectively. Aldehydes and ketones can be reduced to primary and secondary alcohols, respecti ...
... Tollens’ reagent or Fehling’s solution can be used to distinguish between aldehydes and ketones. Aldehydes reduce the complexed silver(I) ion and the complexed copper(II) ion to silver and copper(I) oxide, respectively. Aldehydes and ketones can be reduced to primary and secondary alcohols, respecti ...
Chapter 8
... Reaction of elements with oxygen to form oxides Reactions of elements with sulfur to form sulfides Nonmetals react with oxygen to form oxides Reactions of halogens to form salts Active metal oxides react with water to form metallic ...
... Reaction of elements with oxygen to form oxides Reactions of elements with sulfur to form sulfides Nonmetals react with oxygen to form oxides Reactions of halogens to form salts Active metal oxides react with water to form metallic ...
Chemical Reactions: Introduction to Reaction Types
... elements, b) 1 element and 1 binary compound (consisting of 2 elements), or c) 2 binary compounds. The following are examples of combination reactions: The rusting of iron: 4Fe (s) + 3O2 (g) → 2Fe2O3 (s) The formation of one kind of acid rain: SO3 (g) + H2O (l) → H2SO4 (aq) 2. Decomposition: AB → A ...
... elements, b) 1 element and 1 binary compound (consisting of 2 elements), or c) 2 binary compounds. The following are examples of combination reactions: The rusting of iron: 4Fe (s) + 3O2 (g) → 2Fe2O3 (s) The formation of one kind of acid rain: SO3 (g) + H2O (l) → H2SO4 (aq) 2. Decomposition: AB → A ...
Chemical Reactions
... 3. THINK VISUALLY The graphs below show the amount of energy present during two chemical reactions. One of the reactions is an energy-absorbing reaction, the other is an energy-releasing reaction. Label the type of reaction for each, label the energy level for the reactants and products, then draw a ...
... 3. THINK VISUALLY The graphs below show the amount of energy present during two chemical reactions. One of the reactions is an energy-absorbing reaction, the other is an energy-releasing reaction. Label the type of reaction for each, label the energy level for the reactants and products, then draw a ...
Biol 1441
... Two atoms are so unequal in their attraction for valence electrons that the more electronegative atom strips an electron completely away from its partner. Ion: a charged atom (or molecule) Cation: a positive ion Anion: a negative ion The transfer of an electron is not the formation of a bond; rather ...
... Two atoms are so unequal in their attraction for valence electrons that the more electronegative atom strips an electron completely away from its partner. Ion: a charged atom (or molecule) Cation: a positive ion Anion: a negative ion The transfer of an electron is not the formation of a bond; rather ...
Ch. 8 Notes (Chemical Reactions) Teacher Relearn
... Step 1-- use your ion sheet and find the ions and their charges. Step 2-- “Cross the charges” if they don’t balance out. Step 3-- Use parentheses around polyatomic ion “chunks”. Practice Problems: Write the formula for each ionic compound. ...
... Step 1-- use your ion sheet and find the ions and their charges. Step 2-- “Cross the charges” if they don’t balance out. Step 3-- Use parentheses around polyatomic ion “chunks”. Practice Problems: Write the formula for each ionic compound. ...
Ch. 8 Notes (Chemical Reactions) Teacher 2010
... A reaction of _____ typically a metal and a nonmetal to form ______ one ______________. compound It is the opposite of decomposition. (The same categories of reactions from above apply, just in reverse.) ...
... A reaction of _____ typically a metal and a nonmetal to form ______ one ______________. compound It is the opposite of decomposition. (The same categories of reactions from above apply, just in reverse.) ...
Chemical Reactions
... N2 (g) + 3 H2 (g) 2 NH3 (g) C3H6 (g) + Br2 (l) C3H6Br2 (l) 2 Mg (s) + O2 (g) 2 MgO (s) ...
... N2 (g) + 3 H2 (g) 2 NH3 (g) C3H6 (g) + Br2 (l) C3H6Br2 (l) 2 Mg (s) + O2 (g) 2 MgO (s) ...
CHEMISTry is life - World of Teaching
... try every combination possible from the three chemicals that they are given. The reactions can be conducted in sealed plastic baggies. After making some initial observations, students must conduct an experiment of their choice based on the scientific method. ...
... try every combination possible from the three chemicals that they are given. The reactions can be conducted in sealed plastic baggies. After making some initial observations, students must conduct an experiment of their choice based on the scientific method. ...
Chemistry Review for End of year final honors
... form water? 2H2 + O2 2H2O 3.) Calculate the number of moles of Al2O3 that are produced when 0.60 mol of Fe is produce in the following reaction: 2Al + 3FeO 3Fe + Al2O3 4.) When two substances react to form products, the reactant, which is used up in the reaction, is called ______________________ ...
... form water? 2H2 + O2 2H2O 3.) Calculate the number of moles of Al2O3 that are produced when 0.60 mol of Fe is produce in the following reaction: 2Al + 3FeO 3Fe + Al2O3 4.) When two substances react to form products, the reactant, which is used up in the reaction, is called ______________________ ...
unit 2 - chemistry
... transfer e- results in a change in charge ions – anions, cation electrolytes – ionic solution ...
... transfer e- results in a change in charge ions – anions, cation electrolytes – ionic solution ...