Tuesday, January 5th Quiz corrections into the basket if you have them (due Friday) Warm-up ▫ Biological Weapon in WW1 ▫ COCl 2(g) + H 2 O (l) → 2HCl (aq)

Slides:

Advertisements

Similar presentations

Chemical Reactions The result of the chemical reaction is a new substance with unique physical and chemical properties. The result of the chemical reaction.

Advertisements

1 Stoichiometry is the part of chemistry that studies amounts of substances that are involved in reactions. Stoichiometry STOY-KEE-AHM-EH-TREE.

CHEMISTRY February 13, 2012.

How many grams of water will 5 grams of Oxygen produce? 5 grams of Hydrogen? Tonight's Homework: Finish Lab Report pg 259 Numbers 2-10.

Stoichiometry Review.

Unit 4 Lecture 1- Balancing Eqns and the Mole

Chemical Reactions.

Balancing Chemical Reactions Why?. There are laws!!!! Matter cannot be created or destroyed only changed. So if you start with 20 hydrogen, you end up.

9.3 Notes Limiting reagents.

1. Write a sentence that describes

Reaction Stoichiometry Weight relations in chemical reactions: 1.If I react this much, how much product do I get? 2.If I need this much product, how much.

1 Chapter 4 Recycling and Chemical Mathematics. 2 Nature’s Recycling – The carbon cycle.

Chemical Reactions Chapter 13. Homework Assignment Chap 13 Review Questions (p 290): 1 – 23 Multiple Choice Questions:

STOICHIOMETRY CALCULATIONS COACH COX. MOLE TO MOLE CONVERSIONS Converting from moles of one substance in a chemical reaction to moles of another substance.

Quantities in Chemical Reactions Review Definitions $100 $200 $300 $400 $500 Quantities Balanced Chemical Equations Additional Calculations Team 1Team.

Balanced equations. HIGHER GRADE CHEMISTRY CALCULATIONS Calculation from a balanced equation A balanced equation shows the number of moles of each reactant.

Tuesday May 26, 2015 Mrs Schultz Chemistry Integrated Science.

1. Which of the following formula equations matches the word equation below: Magnesium + hydrogen monochloride  Magnesium chloride + hydrogen a. Mg +

Turn in last week’s catalyst and grab calculator and worksheet. Sit in lab seats. Objective: Convert between moles of substances in an equation. Convert.

Quiz: March 8 Balance the following equations: K2O + H2O -> KOH

Question of the Day Rules You must work alone You may not use your textbook today You have 6 minutes to complete the QOD Good luck!!

Stoichiometry I Mole-Mole.

Read for Tuesday Read for Tuesday Chapter 4: Sections 4-6 Chapter 4: Sections 4-6 HOMEWORK – DUE Thursday 9/10/15 HOMEWORK – DUE Thursday 9/10/15 HW-BW.

Balanced Equations Show Proportions A balanced chemical equation is very similar to a recipe in that the coefficients in the balanced equation show the.

CHEMICAL EQUATIONS PRACTICE: –BALANCING FOR CONSERVATION OF MASS –TYPES OF REACTIONS.

Review for Tomorrow’s Test MolesStoichiometry Percent composition Empirical Formula.

Mass Relationships in Chemical Reactions Chapter 3 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Stoichiometry Continued True Stoichiometry So far, we have talked about changing from units of one thing (atoms, compounds, ions, etc) to different units.

S-133 Write the formula for Palladium (IV) Oxide Calcium Fluoride

Clues To Chemical Changes With Examples. Significant Release of Heat Reaction of Calcium Chloride and Water CaCl 2 +H 2 O  Ca(OH) 2 +2HCl.

Warm-Up! (Day1) Find the Molar Masses of 1. CH 4 2. Sodium Hydrogen Carbonate 3. Jelly beans if 1 jelly bean weighs 0.5 g.

Chemical Reactions: Chemical ChangesChemical Changes involve a re- arrangement of atoms producing new substances with new properties. A chemical change.

Chapter 9 Objectives:To understand the molecular and mass information given in a balanced equation.

Atoms and Molecules Formula Unit Mass The formula unit mass of a substance is a sum of the atomic masses of all atoms in a formula unit of a compound.

CHEMICAL REACTIONS. Chemical Equations  Chemical Equations are used to represent chemical reactions. Reactants  Products  Law of Conservation of Matter.

Entry Journal 10/31 1.Calculate the number of grams in 5.6 moles of Na 3 PO 4. 2.How many L of O 2 gas are in 7.5 moles of O 2 ?

Chp 8 pg 240. A. Describing Chemical Reactions 1. Intro: a. Chem reaction – one or more substances is changed into one or more different substances b.

Stoichiometry. What Is It? Branch of chemistry that shows the relationships among reactants and products in a chemical reaction Equations must be balanced.

Mrs Schultz Chemistry Integrated Science. Essential Question: Write the net ionic equation: Pb(NO 3 ) 2(aq) + NaI (aq)  PbI 2(s) + NaNO 3(aq) 1. Go over.

Chemical Equations and Reactions

When a chemical reaction occurs, there is ALWAYS a change in properties AND energy.

Chapter 9 Equations. Nature of Chemical Reactions Process in which one or more substances are converted into new substances. Reactants  Products Reactants-

Relative Formula Mass expressed in grams

Chapter 8 Outline 8.1 – Chemical Equations The symbols and formulas used to represent reactants and products.

Stoichiometry – Chemical Quantities Notes. Stoichiometry Stoichiometry – Study of quantitative relationships that can be derived from chemical formulas.

Wednesday, November 4 th Take out your single replacement practice, purple homework sheet, and any other homework that needs to be checked off Complete.

Stoichiometry Chemical Quantities Chapter 9. What is stoichiometry? stoichiometry- method of determining the amounts of reactants needed to create a certain.

The Math of Chemical Reactions

Chemical Formulas, Equations, and Reactions Review.

It’s time to learn about.... Stoichiometry Stoichiometry : Mole Ratios to Determining Grams of Product At the conclusion of our time together, you should.

Tuesday, January 12th Consider the synthesis of water as shown in Model 3. A container is filled with 10.0 g of H2 and 5.0 g of O2. Which reactant is the.

Chapter 9 - Sections 1& 2 Suggested Reading: Pages Stoichiometry.

1) BELLRINGER: What is the charge of Na by itself? What is the charge of Na in NaCl? What is the charge of H in H 2 ? What is the charge of H in HCl? 2)

Balancing Equations H 2 + Cl 2 → HCl. Balancing Equations KI + Br 2 → KBr + I 2.

Wednesday, January 21, 2015 Get your lab notebook from the cabinet! Pick up all three handouts and three different colored pieces of paper. Bellwork: Complete.

Balancing Equations. Chemical Reactions   All chemical reactions can be represented by an equation.   The arrow means that a reaction has taken place.

Chemical Reactions. What is a Chemical Reaction? A chemical reaction is the process by which a chemical change occurs. A chemical change is a change in.

Good Morning! Today is Tuesday, January 5, 2016 HW Due: Balancing Review Please put in the Inbox Do-Now: What do you think the term stoichiometry means?

Bonding, pH and Balancing Chemical Equations Quiz Know – how to balance chemical equations – ionic and covalent bonds – acids and bases – the pH scale.

Friday March 27 Objective: Determine the limiting reactant in a chemical reaction. Determine how much product can be made. Checkpoint: Given the equation:

Chem Catalyst You have white, gray and black blocks. You rearrange the pieces on the left side to give the new combinations on the right side.+ 4g 3g5g.

Tuesday February 24 Objective: Convert from moles to number of molecules and vice versa. Checkpoint: Using the following activity series, determine if.

Stoichiometry Review.

Opener 1/11 Balance the following:

Stoichiometry Problems

Stoichiometry Review.

Presentation transcript:

Tuesday, January 5th Quiz corrections into the basket if you have them (due Friday) Warm-up ▫ Biological Weapon in WW1 ▫ COCl 2(g) + H 2 O (l) → 2HCl (aq) + CO 2(g) ▫ If 465 moles of COCl 2 are used how many grams of HCl is produced?

Formaldehyde causes blood acidosis 2CH 2 O (aq) + O 2(g) → 2CH 2 O 2 What is the type of reaction? 6.5 grams of CH 2 O 2 is produced. How many molecules of O 2 were used?

Kidney Stones C 2 H 2 O 4 + CaCl 2 → CaC 2 O 4 + 2HCl If 68 grams of HCl are formed, how many grams of calcium oxalate are produced?

Methanol causes blood acidosis CH 4 O (aq) + O 2(g) → CH 2 O 2(aq) + H 2 O (l) 8.5 x molecules of CH 4 O react. How many grams of CH 2 O 2 are produced?

Arsenic causes nerve damage ___As (s) + ___HCl (aq) → ____AsCl 3(aq) + ___H 2(g) What is the type of reaction? Balance the equation How many moles of H 2 gas will be produced from 6.5 grams of Arsenic?

Lead causes nerve damage Pb (s) + 2HCl (aq) → PbCl 2(aq) + H 2(g) What is the type of reaction? 2.1 x atoms of lead are used in the reaction. How many grams of H 2 will be produced?

Kidney stones – different type! __Na 3 PO 4(aq) + __CaCl 2(aq) → __Ca 3 (PO 4 ) 2(s) + __NaCl (aq) What is the type of reaction? Balance the equation How many moles of NaCl will be produced if 7.5 moles of Na 3 PO 4 are used? What is the chemical formula for the kidney stone?

Yet another type of kidney stones Na 2 C 2 O 4(aq) + CaCl 2(aq) → CaC 2 O 4(s) + 2NaCl (aq) What is the type of reaction? If a kidney stone (the precipitate) weighs 0.30 grams then how many moles of Na 2 C 2 O 4 were needed to make it?

Mercury sulfide causes nerve damage HgS (s) + 2HCl (aq) → HgCl 2 + H 2 S If 3.5 grams of mercury sulfide are used, how many molecules of hydrogen sulfide are produced?

Homework Baking Soda and Vinegar Prelab ▫ MUST be done before class tomorrow or you will not participate in the lab Grade printout ▫ Signature due Thursday Quiz corrections ▫ Due Friday