The relationship between the nutritional unit for energy and the metric unit is 1 Calorie = 1 kcal.
(a) One donut contains 350 Calories. Convert this to calories and joules.
(b) If the energy in one donut was used to heat 35.5 kg of water, calculate the increase in temperature of the water ( in \({ }^{\circ} \mathrm{C}\))
Text Transcription:
^circ C
Chapter 17: Acids & Bases Highlight: key formulas Highlight: key terms Highlight: important things to remember • Acid Properties o Sour taste o Dissolves metals o Turns blue litmus paper red o Neutralizes bases • Common Acids o HCl (Hydrochloric Acid) o H2SO4(Sulfuric Acid) o HNO 3Nitric Acid) o HC2 3 2(Acetic Acid) o H3 6 5 7(Citric Acid) o H2CO3(Carbonic Acid) o HF (Hydrofluordic Acid) o H PO (Phosphoric Acid) 3 4 • Carboxylic Acid: acid that has a carboxylic acid group (H bonded to O bonded to C which is double bonded to 0 and other molecule) o Ex: acetic acid, citric acid, malic acid o Found in substances that come from living organisms • Base Properties o Bitter taste o Slippery feel o Turns blue litmus paper red o Neutralizes acids • Alkaloid: organic bases found in plants that are poisonous • Common Bases o NaOH (Sodium Hydroxide) o KOH (Potassium Hydroxide) o NaHCO 3Sodium Bicarbonate) o Na2CO3(Sodium Carbonate) o NH (Ammonia) 3 • Definitions of Acids & Bases o Arrhenius Definition ▪ Acid: substance that produces H ions in an aqueous solution ▪ Base: substance that produces OH ions in aqueous solution + + ▪ H ions bond to water to f3rm H
