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CORE: 30 / 120 DAY 1 08:10 PROGRESS: 31% Interact with the LabPad to answer th...
SCORE: 30/120 DAY 1 08:04 PROGRESS: 31% Interact with the LabPad to answer the quiz. HOME...
SCORE: 30/120 DAY 1 08:04 PROGRESS: 31% Interact with the LabPad to answer the quiz. HOME THEORY MEDIA MISSION Nice! We have transferred 25 mL of sulfuric acid sample into a volumetric flask. Why do we use a volumetric flask? a) It doesn't require careful handling b) It's the only glassware that can handle acid dilutions c) To be able to heat it at a later stage d) To obtain an accurate and precise volume VIEW THEORY
MMM SCORE: 70 / 120 DAY 1 08:36 PROGRESS: 65% Interact with the LabPad to answer...
MMM SCORE: 70 / 120 DAY 1 08:36 PROGRESS: 65% Interact with the LabPad to answer the quiz. HOME THEORY MEDIA MISSION A standard solution is a solution of accurately known concentration. What is a standard solution for titrating sulfuric acid in an acid-alkali titration? a) Any alkalis or acids b) A salt such as sodium chloride c) An acid such as hydrochloric acid d) An alkali such as sodium hydroxide VIEW THEORY
SCORE: 40 / 120 DAY 1 08:08 PROGRESS: 51% Interact with the LabPad if you want...
SCORE: 40 / 120 DAY 1 08:08 PROGRESS: 51% Interact with the LabPad if you want to read the text. HOME THEORY MEDIA MISSION In today's titration, we are reacting NaOH and H2SO4. For this reaction, what is the pH at the equivalence point? a) 6 b) 7 c) 9 d) 8 VIEW THEORY
SCORE: 70/170 DAY 1 08:21 PROGRESS: 65% Interact with the LabPad to answer the quiz. HOME...
SCORE: 70/170 DAY 1 08:21 PROGRESS: 65% Interact with the LabPad to answer the quiz. HOME THEORY MEDIA MISSION Well done! If you have a glass of pure water, without any acids or bases, how many hydronium ions (H3O+) do you expect? a) The same number as OH- b) None c) As many as there are water molecules d) Half the water is hydronium ions VIEW THEORY
BATTERIES SCORE: 20 / 220 DAY 1 08:03 PROGRESS: 14% Interact with the LabPad to answer...
BATTERIES SCORE: 20 / 220 DAY 1 08:03 PROGRESS: 14% Interact with the LabPad to answer the quiz. HOME THEORY MEDIA MISSION Lithium-ion batteries are not used for long term storage of energy. Why do you think that is? a) Because they are not safe to use b) Because they lose charge over time c) Because they can only be used for small items, like phones d) Because they take a long time to charge
SCORE: 56 / 170 DAY 1 08:47 PROGRESS: Interact with the LabPad to ans quiz. HOME...
SCORE: 56 / 170 DAY 1 08:47 PROGRESS: Interact with the LabPad to ans quiz. HOME THEORY MEDIA MISSION What precautions should you take when working with strong acids and bases? a) Always wear goggles and gloves b) Only perform work in the fume hood c) Keep a Bunsen burner switched on nearby d) Only use plastic lab equipment VIEW THEORY
SCORE 18/120 DAY 1025 PROGRESS 2 5 Interact with the LabPad to answer the qui HOME...
SCORE 18/120 DAY 1025 PROGRESS 2 5 Interact with the LabPad to answer the qui HOME THEORY MEDIA MISSION 5 What should we do to reduce the risk when working with concentrated acids and bases? a) Never work with it b) Neutralize it c) Dilute them d) Work with large volumes VIEW THEORY MacBook Air 20 000 ** F7 TE מיו 2 A * $ 4 % 5 & 7 3 6 8 9 E
Interact with the LabPad to answer questions. HOME THEORY MEDIA MISSION How would you determine the...
Interact with the LabPad to answer questions. HOME THEORY MEDIA MISSION How would you determine the absolute zero temperature? a) Measure it using a mercury thermometer at the temperature that nitrogen boils b) You can not determine that temperature c) Approach it using a gas thermometer at very low pressure d) Measure it using a gas thermometer at zero pressure VIEW THECY DAY 1 08:22 PROGRESS SCORE: 8/170 Interact with the LabPad to an quiz. THEORY HOME MEDIA MISSION Based...
PROGRESS: 74% DAY 1 09:35 SCORE: 94/170 Interact with the LabPad to answer the quiz. MISSION...
PROGRESS: 74% DAY 1 09:35 SCORE: 94/170 Interact with the LabPad to answer the quiz. MISSION MEDIA HOME THEORY We know the number of hydronium ions determines the acidity of a solution and that is the measure of the acidity. You measured a pH of 7 in a solution with 10-7 ionized water molecules. Create a formula to calculate the pH depending on the H concentration (H+)! a) pH = -log (H+) b) pH = log (1 x 107) C)...
SCORE 88 20 09:02 PROGRESS 719 Interact with the LabPad to answer quiz. HOME THEORY MEDIA...
SCORE 88 20 09:02 PROGRESS 719 Interact with the LabPad to answer quiz. HOME THEORY MEDIA MISSION What is the burette reading from the following image? 1 scroll down 4 5 6 VIEW THEORY MacBook Air SCORE 88/120 DAY 1 00:02 PROGRESS IS BE Interact with the LabPad to answer the que HOME THEORY MEDIA MISSION 6 a) 5.00 mL b) 5.15 ml c) 6.9 ml d) 5.10 mL VIEW THEORY MacBook Air 7 # 3 2 S 4 5...
SCORE: 30/120 DAY 1 08:04 PROGRESS: 31% Interact with the LabPad to answer the quiz. HOME THEORY MEDIA MISSION Nice! We have transferred 25 mL of sulfuric acid sample into a volumetric flask. Why do we use a volumetric flask? a) It doesn't require careful handling b) It's the only glassware that can handle acid dilutions c) To be able to heat it at a later stage d) To obtain an accurate and precise volume VIEW THEORY
MMM SCORE: 70 / 120 DAY 1 08:36 PROGRESS: 65% Interact with the LabPad to answer the quiz. HOME THEORY MEDIA MISSION A standard solution is a solution of accurately known concentration. What is a standard solution for titrating sulfuric acid in an acid-alkali titration? a) Any alkalis or acids b) A salt such as sodium chloride c) An acid such as hydrochloric acid d) An alkali such as sodium hydroxide VIEW THEORY
SCORE: 40 / 120 DAY 1 08:08 PROGRESS: 51% Interact with the LabPad if you want to read the text. HOME THEORY MEDIA MISSION In today's titration, we are reacting NaOH and H2SO4. For this reaction, what is the pH at the equivalence point? a) 6 b) 7 c) 9 d) 8 VIEW THEORY
SCORE: 70/170 DAY 1 08:21 PROGRESS: 65% Interact with the LabPad to answer the quiz. HOME THEORY MEDIA MISSION Well done! If you have a glass of pure water, without any acids or bases, how many hydronium ions (H3O+) do you expect? a) The same number as OH- b) None c) As many as there are water molecules d) Half the water is hydronium ions VIEW THEORY
BATTERIES SCORE: 20 / 220 DAY 1 08:03 PROGRESS: 14% Interact with the LabPad to answer the quiz. HOME THEORY MEDIA MISSION Lithium-ion batteries are not used for long term storage of energy. Why do you think that is? a) Because they are not safe to use b) Because they lose charge over time c) Because they can only be used for small items, like phones d) Because they take a long time to charge
SCORE: 56 / 170 DAY 1 08:47 PROGRESS: Interact with the LabPad to ans quiz. HOME THEORY MEDIA MISSION What precautions should you take when working with strong acids and bases? a) Always wear goggles and gloves b) Only perform work in the fume hood c) Keep a Bunsen burner switched on nearby d) Only use plastic lab equipment VIEW THEORY
SCORE 18/120 DAY 1025 PROGRESS 2 5 Interact with the LabPad to answer the qui HOME THEORY MEDIA MISSION 5 What should we do to reduce the risk when working with concentrated acids and bases? a) Never work with it b) Neutralize it c) Dilute them d) Work with large volumes VIEW THEORY MacBook Air 20 000 ** F7 TE מיו 2 A * $ 4 % 5 & 7 3 6 8 9 E
Interact with the LabPad to answer questions. HOME THEORY MEDIA MISSION How would you determine the absolute zero temperature? a) Measure it using a mercury thermometer at the temperature that nitrogen boils b) You can not determine that temperature c) Approach it using a gas thermometer at very low pressure d) Measure it using a gas thermometer at zero pressure VIEW THECY DAY 1 08:22 PROGRESS SCORE: 8/170 Interact with the LabPad to an quiz. THEORY HOME MEDIA MISSION Based...
PROGRESS: 74% DAY 1 09:35 SCORE: 94/170 Interact with the LabPad to answer the quiz. MISSION MEDIA HOME THEORY We know the number of hydronium ions determines the acidity of a solution and that is the measure of the acidity. You measured a pH of 7 in a solution with 10-7 ionized water molecules. Create a formula to calculate the pH depending on the H concentration (H+)! a) pH = -log (H+) b) pH = log (1 x 107) C)...
SCORE 88 20 09:02 PROGRESS 719 Interact with the LabPad to answer quiz. HOME THEORY MEDIA MISSION What is the burette reading from the following image? 1 scroll down 4 5 6 VIEW THEORY MacBook Air SCORE 88/120 DAY 1 00:02 PROGRESS IS BE Interact with the LabPad to answer the que HOME THEORY MEDIA MISSION 6 a) 5.00 mL b) 5.15 ml c) 6.9 ml d) 5.10 mL VIEW THEORY MacBook Air 7 # 3 2 S 4 5...
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