millimoles of solid NaOH must be added to 50.0 milliliters of 0.20 - molar HOCl to obtain a buffer solution that has a pH of 7.49? Assume that the addition of the solid NaOH results in a negligible change in volume. (2 points) (e) Household bleach is made by dissolving chlorine gas in water‚ as represented below. Cl2 (g) + H2O --> H+ + Cl- + HOCl (aq) Calculate the pH of such a solution if the concentration of HOCl in the solution is 0.065 molar. (1 point)
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3-Orange Juice 4- Acid Rain 5- Banana 6- Milk 7- Water 8- Sea Water 9- Baking Soda 10-Milk of Magnesia 11- Ammonia 12- Soapy Water 13- Bleach 14- Liquid Drain Cleaner What is the ph of normal rain‚ and at what level does the ph become dangerous? The pH of normal rain is said to be between 5.5 an 5. The pH is not 7 because carbonic acid is contained with in rain droplets from the atmosphere
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public was outraged and the government responded. In 1992 ABC-News did a similar story‚ this time in a supermarket. What did the ABC-News story find was happening in Food Lion stores? they were selling food that was rotten and cleans the odor with bleach. 6. Could Food Lion prove the findings were false? no they couldn’t. 7. What was the basis of Food Lion’s lawsuit against ABC-News? The basis of Food Lion’s lawsuit against ABC-News was that they were charged with fraud‚ trespassing
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His name was Timothy James Vamanos. His name will always perpetually be with us till the end of space and time. Our class likes to adress to him as Don “Tim” Corleone Vamanos. So one morning Tim wakes on his bed‚ on his bed right next to his box of bleach. Clorox was his favorite brand. He got up‚ drank 5 jugs full‚ and then went to his underground lair filled with stolen
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the Greasers and the Socs. The Greasers have greasier hair. They always have to comb it back‚ even before fights. The Greasers carry a comb at all times. An example of it is when Ponyboy and Johnny ran away and Johnny when to the store and brought bleach and things to change their appearance and Ponyboy was trying to fight it. The greasy hair is the main thing that differs the two gangs. It’s like an oath in between the two hoods. One last symbol of alienation in the story is Ponyboy. Ponyboy
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All hair dye has a ‘main ingredient’ and that is p-diamines or p-aminophenols which are both oxidized by hydrogen peroxide that react to produce dyes. Bleaching‚ is a way to remove color by lightening the hair. Bleach reacts with the melanin to remove the color away causing an irreversible chain reaction. Although the melanin is still there the oxidized molecules are
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Infants To make sure my classroom is clean and sanitary by cleaning and making sure the floors are clean and free of clutter and washing all toys with a bleach water solution‚ especially toys children put in their mouth .Also by making sure they don’t have anything in their mouth. Washing hands before and after every meal and diaper change is also very important for the health of the children.
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Hand washing ways: Research has shown the single most effective practice that prevents the spread of germs in the child-care setting is good hand washing by caregivers and children. • Rubbing hands together under running water is the most important part of washing away infectious germs. Deficiencies in hand washing‚ including sharing basins of water‚ have contributed to many outbreaks of diarrhea among children and caregivers in child-care centers. • The Centers for Disease Control (CDC) recommends
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the results obtained in the lab room‚ fill in the following table: Solution Number pH from Lab Acid‚ Base or Neutral? Solution Name (what was in the test tube?) Solution 1 6 Neutral Water Solution 2 0 Acid Lemon Juice Solution 3 12 Base Bleach Solution 4 5 Base Coffee 1. How many drops of wide range indicator will you use for each test‚ based on industry standards such as the LaMotte field test? 1 drop Section 2: Now that you understand how to read pH measurements‚ go out into
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Overview: Abortion before the 1973 was illegal. Before abortion became legal women were doing it very unsafe way. In the 1940s there were over 1000 dying every years from doing unsafe and self induced abortions. One study that was conducted in 1932 and it had estimated that there was an average of 15‚000 deaths of woman from doing self induce abortions or complications from the abortion. 42 % of of the maternal mortality rate was from doing unsafe abortions. These deaths were from doing self harm
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