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16. list three typical Changes that can be observed dering a Cherrical reaction 2. Show transcribed...
1. List three important products which are colloids. 16 pts latin C NaCi 2. Photographic film is AgBr in a gelatin layer. From the results obtained here, what is the purpose of the gelatin in films? 5 pts to protect the Film 3. Raw egg white is a colloidal suspension of proteins in water. What changes occur when an egg is cooked? Explain! 4 pts
H2O2(aq) + FeSO4(aq) The changes you observed involves two sets of half reactions. For each set, write the oxidation and reduction half reactions, the overall reaction, and calculate .. Set 1 Reduction Half Reaction Oxidation Half Reaction Overall Balanced Redox Reaction Calculation Set 2 Reduction Half Reaction Oxidation Half Reaction Overall Balanced Redox Reaction Calculation Overall Reaction Can you help to answer these?
1. List all the changes of state that absorb energy. 2. List all the changes of state that release energy. 3. When a substance changes state from liquid to gas, is energy absorbed or released? 4. When a substance changes state from liquid to solid, is energy absorbed or released? 5. It takes 80. calories to melt one gram of ice. Calculate how many calories it would take to melt 25 of ice
JWTAVI SLUCULLULL HIT statement? 16-16 Name the three items that most often cause changes in retained earnings as shown in the statement of changes in stockholders' equity. What are the numacan af a atatamant af
It is possible to obtain an appreciable product yield in a typical Grignard reaction. Provide and explain three (3) factors that can negatively affect the yield of a Grignard reaction.
Consider a typical Sy1 pathway involving the reaction of 2-bromo-2-methylpropane with hydroxide as shown below. CH; H,C-C Syl -Br + NaOH CH; A reaction energy diagram for this reaction is provided below. What intermediate from the list below is present at position (2) on this diagram? (3) G (1) (5) Reaction Coordinate
15. List three normal crystals found in acid urine. 16. List three normal crystals found in alkaline urine. 3. 17. Name at least three (3) urinary crystals considered to be pathological regardless of the amount or number found.
2. Can you write down the chemical reaction of photosynthesis? 15' 3. Can you list the two steps of photosynthesis? (Hint: ---- reaction, ----reaction) 20'
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2. List the expected spectral data of 2-ethyl-3-hydroxy-hexanal observed from an IR, a 'H-NMR and mass spectrum.
Use the reaction below to answer the three questions that follow: SNa DMSO 16. What effect would changing the nucleophile to ethoxide have on the rate of the reaction above? a. The rate would increase. C. The rate would decrease. b. There would be no reaction. d. No effect on rate would be observed. 17. What effect would changing the iodine atom to a chlorine atom have on the rate of the reaction? a. There would be no reaction. c....