phenolphthalein on each element and recorded the reaction. The students discovered that sodium and magnesium reacted‚ but aluminum did not. Sodium turned into a gas when it touched water and then turned pink with the phenolphthalein. Magnesium bubbled with the water and then turned slightly pink with the phenolphthalein. Aluminium had no reaction to the water or to the phenolphthalein. After that‚ the students washed out the petri dishes and dried them.
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To begin the experiment‚ the unknown needs to be determined as an acid or a base by using litmus paper or a pH strip. For the rest of the experiment‚ if the substance is being handled‚ gloves and goggles must be worn. Use a clean and dry Erlenmeyer flask and weigh it. Then‚ some of the unknown will be measured and poured into the flask. Also way the flask and the unknown. Add distilled water and phenol saline to the flask. Set that aside to prepare the biuret. Choose the substance that will be used
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"Sometimes I feel discriminated against‚ but it does not make me angry. It merely astonishes me. How can anyone deny themselves the pleasure of my company? It’s beyond me." -Zora Neale Hurston The Harlem Renaissance was a cultural movement that started in the early 1920s. Some people referred to it as the “New Negro Movement”. Twas all centered in what was and is Harlem‚ New York. Lots of French speaking individuals who were of African and Caribbean descent who lived in Harlem were
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colored stones that are 4 pink stones‚ 9 orange stones and 5 green stones. Ryan picks one stone‚ records its color and puts it back in the jar. Then he draws another stone. What is the probability of taking out an orange stone followed by the green stone? 4. Henry has 3 black shirts and 7 blue shirts in his wardrobe. Two shirts are drawn without replacement from the wardrobe. What is the probability that both of the shirts are black? 5. Andrew has a box which contains 4 pink blocks‚ 5 yellow blocks
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Case Study # 2 – Omni channel: Victoria’s Secret Due – 4/18– Ten points 1.) In the context of Omni Channel Retailing‚ how do the competing retailers provide a seamless and integrated presence in their various online channels? Which ones do you believe are more compelling? What suggestions for improvement might you offer them? Please support your reasoning. Omni Channel Retailing approaches all customers with a cohesive presence through all channels of their distribution. The purpose
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Title of Experiment: An Activity Series Lab MSDS: Copper‚ Cu(s) Stability- Stable. Incompatible with strong acids‚ active halogen compounds‚ chlorine‚ fluorine‚ iodine‚ bromine‚ ammonia. May react explosively with strong oxidizing agents. Toxicology-Dust may cause respiratory irritation. Personal Protection- Suitable ventilation if handling powder. Zinc‚ Zn(s) Stability-Stable. Incompatible with amines‚ cadmium‚ sulfur‚ chlorinated solvents‚ strong acids‚ strong bases. Air and moisture
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The story Young Goodman Brown is by the famous author Nathaniel Hawthorne. Where Young Goodman Brown‚ leaves his wife Faith. He ventures off into the gloomy forest of Salem. He is quickly approached by an older man and his companion. Young Goodman Brown follows these two men wherever they go. Along their path they meet a woman‚ Goody Cloyse‚ who taught Young Goodman Brown his catechism. The companion starts to look like a devil and the woman starts to look like a witch. After some time Young Goodman
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The Perfect Day When I was a little girl I would dream about my wedding day. I would pick out what colors I wanted. I had to have almost everything be pink because it was my favorite color. I used to even play dress up with all of my younger sisters. I would always have to be the princess‚ and they could dress up as anything else. I had a special white fluffy dress that my mother had made me for Halloween. No one was allowed to wear it but me. I would always say my wedding day would be the happiest
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solution will remain blue Reaction; solution turns light gray Red cabbage + NH3 No reaction; solution will remain purple Reaction; solution turns into yellow green Red cabbage + CH3COOH No reaction; solution will remain purple Reaction; solution turns pink NaHCO3 + NH3 I predict that NaHCO3 combined with NH3 will bubble as a reaction. The NaHCO3 seems to be settled at the bottom and NH3 is on top.
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reviews are the pink team review‚ red team review‚ and gold team review. The pink team starts the initial review and is conducted while the proposal is in-process. Conducted as an informal review‚ the pink team checks the proposal draft against the matrix to ensure all RFP requirements meet‚ and then findings are recorded on an evaluation form. The form is then given back to the proposal team so corrections can be made where necessary. The red team review is more intricate than the pink review. Each
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