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- How do the conductivity reading relate to the nature of the
chemical bonds present in table sugar and Salt water? Justify your answer.
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- what will an electrical conductivity do when the size of a sample increasesA thin stream of water bends toward a negatively charged rod. When a positively charged rod is placed near the stream, it will bend in the same direction, not the opposite direction. Why? Can you think of another example? 11. Can you help me with the explanation of the polyatomic ion and give me the name of the list of the polyatomic ion names? 2. Can you help me with the explanation of the noncovalent interaction, hydrogen bonding, dipole-dipole forces, london dispersion forces, ion-dipole interactions, salt bridge interactions and all these terms give me of examples, please?
- Why does distilled water not conduct electricity, whereas rain water does?What would happen if you dip the tissue paper to the bowl with water? If so, what property of water is being shown. Make generalizations or conclusion about that property of water.Before slow cooking a meat (for example, in a crockpot/slow-cooker) you will often find instructions to sear the meat on high heat in an oiled skillet for a few minutes before transferring it to the crockpot. The searing is brief – not long enough to cook the meat thoroughly. Despite myth/legend, the searing will not “seal in the juices”. What is the searing for?
- How do cohesive force and adhesive force explain the absorption of water by tissue paper? For a hint, look into the composition of paper or tissue paper. Note: please answer it in handwritten.Explain why ionic solids are conductive when they’re dissolved in water, but molecularsolids are not (In full sentences and detail sufficient for a 1st year General Chemistry course). If you melted the two types of materials, would molten salt or moltenmolecular compounds be conductive?In Parts 1 and 2, you noticed some patterns about what kind of substances conduct electricity when dissolved in water, and also how melting points are related. Let's test this pattern by applying it to other substances. Consider the following substances: Potassium Chloride: KClKClKCl Octadecanol: C18H38OC_{18}H_{38}OC18H38O Dimethyl Sulfoxide: C2H6OSC_2H_6OSC2H6OS Lithium Bromide: LiBrLiBrLiBr Explain the reasoning that supports your answer.? Use the patterns you saw in the previous sections to predict whether the melting points for each substance will be high (above 400°C) or low (below 200°C).?
- How do attractive forces between like molecules compare with attractive forces between unlike molecules in the system acetic acid-water?1) When comparing plain water to salt water, which will have higher surface tension? Cite evidence that supports your choice. 2) When comparing plain water to sugar water, which will have higher surface tension? Cite evidence that supports your choice. 3) What is the dependent variable in this experiment, and what is the independent variable in this experiment? Also, what other variables, besides the independent and dependent, will you try to hold constant as you conduct this experiment?If the inside surface of each tube were coated with wax, would the generalshape of the water meniscus change? Would the general shape of themercury meniscus change?