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- How do I solve this question using Hess Law or other methods maybe? Thanks for your help ! :DWhen bromoform (d=2.89 g/ml) and water ( d=1 g/ml) are mixed, two layers form. Is the bottom layer water or bromoform?The same physical property that helps drive the reaction to completion can also stall out the reaction before it starts. What do we do in the procedure that helps minimize this concern?
- 1-Pentanol to 1-bromopentane Chemicals: - 60ml Conc. Sulfuric Acid - 100ml Saturated Sodium bicarbonate - 65ml 1-Pentanol - 78g sodium bromide - Distilled water - 58.42g 1-Bromopentane 1-Pentanol Sodium Bromide Sulfuric Acid 1-Bromopentane Formula C5H12O NaBr H2SO4 C5H11Br MW (g/mol) 88.15 102.894 98.078 151.04 Density (g/mL) 0.811 3.21 1.84 1.218 Boiling point (*C) 138 1,396 337 130 NaBr(aq) + H2SO4(aq) -> NaHSO4(aq) + HBr(aq) CH3(CH2)4OH(aq) + H+ Br- (aq) CH3(CH2)4OH2 (aq) + Br-(aq) CH3(CH2)4OH2 (aq) + Br-(aq) CH3(CH2)4Br(aq) + H2O(aq) How do I calculate the percent yield and identify the limiting reagent?the top one is also an option- is that not correct?With the correct amount of sig figs thank you!
- for number 3 will it go to the product or reactant?12help please use sig figsConsider the following recipe for Snickerdoodle cookies. Ingredients: 1.5 cups sugar 0.5 cups butter or margarine, softened 0.5 cups shortening 2 eggs 2.75 cups all-purpose flour 2 teaspoons cream of tartar 1 teaspoon baking soda 0.25 teaspoon salt 0.25 cups sugar 2 teaspoon ground cinnamon Directions: Heat oven to 400 oF. Mix 1.5 cups of sugar, butter, shortening, and eggs in a large bowl. Stir in flour, cream of tartar, baking soda, and salt. Shape dough into 1.25 inch balls. Mix 0.25 cup sugar and cinnamon. Roll balls in the cinnamon and sugar mixture. Place 2 inches apart on an ungreased cookie sheet. Bake 8 to 10 minutes or until set. Remove from cookie sheet to wire rack. If one teaspoon of salt has a mass of 5.0 g, how many molecules of salt (NaCl) are being added to this recipe?
