mole concept

Mole Concept : Mole Concept 3rd term Chemistry

Recall the following steps in getting… : Recall the following steps in getting… Formula Mass Molecular Mass Molar Mass

Solve the following items using a ladder diagram. : Solve the following items using a ladder diagram. Determine the number of moles in 6.84 g of sucrose, C12H22O11. Calculate the mass in grams of 0.50 mole of NH4OH. Determine the number of atoms in 98.3 g of mercury.

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Copy and Answer. : Copy and Answer. Determine the number of moles in 16.0 g of sulfur dioxide. Calculate the mass in grams of 0.75 mole of H2SO4. Determine the number of atoms in 45.6 g of sodium. backmates, 1/2 CW

Problem Set # 1-Mole Conversions Copy and Answer. : Problem Set # 1-Mole Conversions Copy and Answer. Solve for the mass of 20.0 moles of Helium. A 1.0 mole sample of H2O2, hydrogen peroxide weighs --- What is the mass of 2.00 moles of Ca(OH)2? 1.00 mole of water weighs ---. 1 whole sheet; backmates

Problem Set # 1-Mole Conversions Copy and Answer. : Problem Set # 1-Mole Conversions Copy and Answer. 5. Convert 1.42 mol of Zinc to mass zinc. 6. How many atoms are there in 58.7 g of Nickel? 7. How many grams is 4.58 x 10^23 atoms of Helium? 1 whole sheet; backmates

What information can this equation give you? : What information can this equation give you? N2 (g) + 3 H2 (g)  2 NH3 (g)

Calculating Amounts of Reactants and Products : Calculating Amounts of Reactants and Products N2 (g) + 3 H2 (g)  2 NH3 (g) Remember: Coefficients of a balanced equation refer to -- the number of molecules of each reactant and product. the moles of each reactant and product. The basis for calculating masses of substances that react or are formed in a reaction.

Calculating Amounts of Reactants and Products : Calculating Amounts of Reactants and Products N2 (g) + 3 H2 (g)  2 NH3 (g) Sample 1: Using the same chemical equation, If 2.80 g of nitrogen reacts completely with hydrogen, how many grams of ammonia, NH3 will be produced?

Calculating Amounts of Reactants and Products : Calculating Amounts of Reactants and Products C6H12O6 (s) + O2 (g)  CO2(g) + H2O (l) Sample 2: How many grams of oxygen are needed to oxidize 36.0 g of glucose in the reaction given? Balance the given equation first.

AssignmentNotebook : AssignmentNotebook KClO3 (s)  KCl (s) + O2 (g) Sample 3: How many moles KClO3 are needed to produce 4.00 g O2? Use the reaction above. Balance the equation first.

Problem Set 2Show all solutions. Copy and Answer. : Problem Set 2Show all solutions. Copy and Answer. During combustion of ethane, C2H6 reacts with O2 to produce CO2 and H2O. How many grams of O2 are needed to react with 250 g of ethane? Balance the equation first. C2H6 + O2  CO2 + 6H2O 1 whole sheet; backmates

Problem Set 2Show all solutions. Copy and Answer. : Problem Set 2Show all solutions. Copy and Answer. 2. The food we eat is degraded, or broken down, in our bodies to provide energy for growth and function. The general equation is: C6H12O6 (s) + O2 (g)  CO2(g) + H2O (l) If 856 g of glucose is consumed by the body, what is the mass of CO2 produced? 1 whole sheet; backmates

Problem Set 3Show all solutions. Copy and Answer. : Problem Set 3Show all solutions. Copy and Answer. 3. A typical reaction between lithium and water is the following: Li(s) + H2O (l)  LiOH (aq)+ H2 (g) How many moles of H2 can be formed by the complete reaction of 6.23 moles of Li with water? How many grams of H2 can be formed by the complete reaction of 80.57 g of Li with water? 1 whole sheet; individual

Slide 16 : What is the relevance of mole relationships in determining the amount of reactant or the product? How important are the relationships in SOHCAHTOA in solving for the angles in a right triangle? Can part function without the other? Point To Ponder: Lets see the connection...

Slide 17 : The relationship of coefficients is very crucial in determining the masses of either the product or reactant in a chemical reaction. In real life, relationships important in building lives of numerous individuals. How do relationships affect the outcome of an event or activity? Cite one personal story and explain the value of relationships. INTEGRATION