'Mol h2o' diaporamas de présentation

Chapter 12

991 views • 72 slides

Chapter 11. Solutions and Their Properties

717 views • 56 slides

Chapter 10

Chapter 10. Mol Factors Calculations with Equations Limiting Reactions Percent Yield. Mole-Mole Factor. Shows the mole-to-mole ratio between two of the substances in a balanced equation Derived from the coefficients of any two substances in the equation. Writing Mole Factors.

504 views • 30 slides

The Mol

The Mol. The Atomic Mass Unit (amu). 1. The atomic mass Standard. 1 ? 12. 2. the mass of an atom of carbon-12. Recently, the designation amu has been changed to the Dalton (D). mass of 28 Si atom ???????? mass of 12 C atom. = 2.331411. Observed:.

570 views • 26 slides

Entry Task: Jan 14 th Monday

Entry Task: Jan 14 th Monday. If we have a Q value of 2.3 and a K value of 2.3 x 10 -3 which way should the equilibrium shift? You have 5 minutes!. Agenda:. Sign off discuss Ch. 15. sec. 5-6 reading notes HW: LeChatelier ws. WARNING!! Black text slides are embedded notes.

521 views • 23 slides

Stoichiometry w /Percent Yield and Limiting Reagent

398 views • 22 slides

Chapter 3

Chapter 3. Molecules, Compounds, & Chemical Equations. Hydrogen, Oxygen, & Water. What is the main difference between a mixture and a compound?. Ball-and-stick model ***check pg 87 and A-7 (appendix IIA) for colors. Space-filling molecular model.

366 views • 18 slides

Chapter 19, Part III

335 views • 18 slides

Stoichiometry 1

Stoichiometry 1. October 15 & 16 2012 Ms. Boon Chemistry. Catalyst: A cookie recipe requires 1 cup of sugar, 2 cups of flour, 1 stick of butter and 3 eggs. How much of each ingredient do you need in order to double the recipe? Explain your answer. Objective:

296 views • 17 slides

Thermochemistry

Thermochemistry. Energy-capacity to do work or to produce heat Law of Conservation of Energy 1 st law of thermodynamics Energy can be neither created nor destroyed Energy of universe is constant Potential energy in chemistry, this is usually the energy stored in reactants and products

345 views • 17 slides

Stoichiometry 2: grams to grams

Stoichiometry 2: grams to grams. Chemistry 2012-2013 Ms. Boon 10.18 & 10.19. Catalyst. Objectives: I can perform gram to gram conversions. Agenda: Catalyst Stoichiometry Puzzle Notes: gram to gram Practice Problems Exit Slip. Take out your homework to get a stamp.

424 views • 16 slides

c) weight to moles How many moles of H 2 O form if 11 g of C 3 H 8 are burned ?

C 3 H 8 + 5O 2 -------- ? 3CO 2 + 4H 2 O (BOOM) 44 32 44 18 g/mol . c) weight to moles How many moles of H 2 O form if 11 g of C 3 H 8 are burned ? 1) convert non-moles to moles 11 g C 3 H 8 * 1 mol C 3 H 8 44 g C 3 H 8

411 views • 15 slides

Which has more atoms: 17.0 grams of ammonia, NH 3 , or 72.9 grams of hydrogen chloride, HCl ?

376 views • 15 slides

The Mole Hill

The Mole Hill. Grams to Moles to Moles to Grams. Objective 5-6. SWBAT calculate molar mass and use it to convert between grams and moles. (Yes, this is the same objective as last week ). Grams to Moles. Review: Use molar mass! How many moles of H 2 O do I have in 25 grams of H 2 O?.

311 views • 13 slides

Stoichiometry

224 views • 13 slides

Warmup 10/14/13

327 views • 12 slides

1.74k views • 12 slides

Limiting and Excess Reactants

Limiting and Excess Reactants. LIMITING REACTANTS. LIMIT HOW MUCH OF THE PRODUCT CAN ACTUALLY BE PRODUCED DURING THE REACTION. EXCESS REACTANTS. The reactants that are left over when the reaction stops. *When all the limiting reactant is used up. How to find the limiting reactants.

669 views • 11 slides

Section 13.1 Quantitative Expressions of Concentration

236 views • 11 slides

Molar Enthalpies of Formation

Molar Enthalpies of Formation. When comparing enthalpy changes for formation reactions of different compounds, we must choose a reference energy state . It is convenient to set the enthalpies of elements in their most stable form at SATP to be zero. .

362 views • 8 slides