Question 13 Explain, with reference to relevant theory and formulae, why the following situation is analyzed with the points 1 and 2 positioned as shown in the diagram below. Magnifying glass Water jet VV Hose
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- If the density of liquid Alarcon is equal to (140 gm name 3 at its boiling point of (-186) ° C. What is the increase in volume when (1) mole of it turns into steam at boiling point and pressure (1) atmosphere imposes the ideal behavior of the gas. Its atomic weight * equals 39.95 Gammoul, which is equal toB) Assess the critical aspects of chemistry involved in sedimentaticIf carbon dioxide were released into the air would it initially, sink or float?
- envellum.ecollege.com/course.html?courseld=15432274&HepID=2b3e48e6520860bfd5591538a4a5a27b#10001 Search... Ael. AOL Video- Serving the best vi.. nline Sh... TripAdvisor 33 of 40 I Review | Constants | Periodic Table Learning Goal: To become familiar with the concept and calculations of specific heat. Part A Specific heat (which can be represented as SH, Cs, sp. ht., or a number of other possibilities) is defined as the amount of energy needed to raise the temperature of 1 g of a substance by 1 °C. For example, 0.0920 cal is enough energy to raise 1 g of copper from 21.0 °C to 22.0 °C. Therefore, the specific heat of copper is 0.0920 cal/(g - °C). How much heat energy is required to raise the temperature of 0.360 kg of copper from 23.0 °C to 60.0 °C? The specific heat of copper is 0.0920 cal/(g- °C). Express your answer with the appropriate units. > View Available Hint(s) Using SH for specific heat, the formula for calculating specific heat is HA Value Units heat heat = SH = massxAT P…C please6) When heating liquids in a test tube, it is important that the test tube be positioned Choose...at an anglestraight up and down , pointed Choose...away fromtowards people, and Choose...completely filledhalf-full .
- What is the value of Ered when log3Ag+4 = 0?(A) if both sentences are true, (B) if both sentences are false, (C) if the first sentence is true but the second is false, and (D) if the first sentence is false but the second is true. 1. Water appears in nature in all three common states of matter. Water is a tasteless, odorless liquid at standard temperature and pressure. 2. The addition of salt in the distilling mixture made the water impure and saline. The addition of 5 drops of the silver nitrate solution into the distillate determines whether the distillate is impure or pure water. 3. The ideal electrical conductivity of totally pure water is 0.055 microSiemens, whereas typical deionized water has an electrical conductivity of 0.1 microSiemens. The freezing point of water at 1 atm is 100degC. 4. From the air, oxygen can slowly diffuse across the water’s surface from the surrounding atmosphere, or be mixed in quickly through aeration, whether natural or man-made. The aeration of water can be caused by wind (creating waves),…What’s the answer to 5.
- Gas Chromatography can have which of the following stationery phases and/or mobile phases: A mixture hydrogen and oxygen as a mobile phase O a thin film on a solid support within the column as the stationery phase O a carrier gas as a stationery phase O a mixture of hexane and acetone as the mobile phaseThese organic solvents are used to clean compact discs:(a) If a 15.00-mL sample of CD cleaner weighs 11.775 g at 20C, which solvent is most likely to be present?(b) The chemist analyzing the cleaner calibrates her equipment and finds that the pipet is accurate to 0.02 mL, and the balance is accurate to 0.003 g. Is this equipment precise enough to dis-tinguish between ethanol and isopropanol?PART3-1ABORATORY FQUIEMENT FQUIPMENTNAME FUNCTION To hold test tubes. Attaches to a retort stand to support glassware being heated. To pour liquid from a large container into a small container. To provide a flame during an experiment. To light the Bunsen burner. To attach test tubes to a retort stand. To clean substances out of a test tube. To hold a hot crucible or flask. To hold a hot test tube. To place on the lab bench to prevent burning or to use with ring clamp. To transfer small amounts of liquid. To grow bacteria or contain small experiments. To hold liquids. To measure liquids. To contain experiments (a stopper can be used to close the flask). To hold a hot beaker. To perform an experiment with a different substance in each well. To hold chemicals and perform experiments in. To scoop and transfer small amounts of substances. To stir during experiments that involve mixing or dissolving.
