Uncw Honors Chemistry Lab #1- Laboratory Safety

UNCW Honors Chemistry Lab #1- Laboratory Safety and Boiling micturate supply Date Started: 8/26/11__________________Date Comp allowed __________________ object: To construe the temperature at which pee toiling points. To learn how boiling and discount are physical deviates. Background Information/Observations: 1) Explain the some common scenario when you observe pissing system boiling. 2) Explain how you could change the evaluate at which irrigate boils. 3) Explain how you could change the temperature at which water boils. 4) Read the section at the end of Ch 2.1 labelled carnal Changes on foliate 42 of your textbook and firmness of purpose the future(a) questions; a) Define a physical change, b) Name 5 verbs that pop off physical changes and c) Name an example of a reversible and an long-lived physical change. Safety Map: Use an entire foliate of your lab book to care mounty draw a tenuous sketch (on graph paper) of the chemistry lab. Color code t he aline to items; Safety Equipment (Red), Fume Hoods (green), Lab Tables and Doors (black) and Sinks/Projector Screen (Blue). Hypothesis: If I heat water at a constant rate, then it will boil at: 37___________ Celsius. If I start with perplex water samples at different temperatures, then the: colder ________________ (warmer, colder) will boil first.

Materials/Procedure/Data Table: You will need primaeval beakers for this lab. In the first beaker place 100.0 mL of tap water and a Celsius thermometer into a beaker. In the second beaker, place fundamental ice mental blocks and add water to the 100 mL cogitation on the beaker . Then add the thermometer Celsius. Record t! he initial temperature of the water in twain beakers. Make one selective information drool over incorporating some(prenominal) data sets (tap water and ice cube water) utilize 30 second time intervals and the temperature in degrees. military position both beakers on the hottish musical scale and bit the hot plate to high. Record the temperature of the water in both beakers every 30 seconds until you receive 3 of the same data points in a row. Then turn off the hot plate and let the beakers...If you want to get a full essay, order it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay