Density is how compact particles are inside an object. Objects can be different sizes but have the same density because the density depends on how close particles are together‚ not the size of an object. The density of water is 1 g/㎤. Any object with a density less than that will float. Any object with density more than that will sink. Carbon dioxide‚ or CO2‚ also played a big role in this experiment. Many soft drinks contain CO2. Studies show that Sierra Mist had the most carbonation out of
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companies have high demand on both quality and quantity of water for production. Membrane process can be used to separate chemical substances in various types and sizes from microscopic to molecular level. The objective of this experiment is to study the characteristic of four different types of membrane. The membranes used in this experiment are polyamide film ( AFC 99 ) as membrane one ‚ polyamide film ( AFC 40 ) as membrane two ‚ cellulose acetate (CA 202 ) as the third membrane and PVDF (FP 100 )
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somewhere. For the Bata Shoe Organization was the small riverside town of Zlin‚ Czechoslovakia‚ founded in 1894 by Czech businessman Tomas Bata in the city of Zlin‚ what was then Czechoslovakia. Coming from a family of shoemakers with a long heritage of eight generations and over three hundred years‚ Tomas Bata capitalized on knowledge‚ expertise and skills to propel his newly founded company forward. The introduction of factory automation‚ long distance retailing and modernized shoe making ensured the
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Cebu Institute of Technology – University Cebu City PHYSICS DEPARTMENT Physics 201 – G01/M02 Name/Course/Year: Noel S. Alvarez BSIT – II Date Submitted: November 29‚ 2012 Experiment No. 1 Group No./Time/Day: 3 / 12NN-3PM/Thurs MEASUREMENT‚ ERRORS AND DENSITY I. Objective: a. To know the principles of good measurement and to compare the precision and accuracy of some commonly used measuring devices. b. To study the types‚ causes and effects of errors in measurement
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Part I - Illumination Experiments (1924-27) These experiments were performed to find out the effect of different levels of illumination (lighting) on productivity of labour. The brightness of the light was increased and decreased to find out the effect on the productivity of the test group. Surprisingly‚ the productivity increased even when the level of illumination was decreased. It was concluded that factors other than light were also important. Part II - Relay Assembly Test Room Study (1927-1929)
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tigress weighs 117.9 kg (260 lb). The mean weight of historical Siberian tigers is supposed to be higher: 215.3 kg (475 lb) for male tigers and 137.5 kg (303 lb) for females.[7] Measurements of more than fifty captured individuals suggest that body size is similar to that of Bengal tigers.[8] The largest male‚ with largely assured references‚ measured 350 cm (140 in) "over curves"‚ equivalent to 330 cm (130 in) between pegs. The tail length in fully grown males is about 1 m (39 in). Weights of up
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Common Size Statements are used to compare financial statements of different-size companies‚ or of the same company over different periods. Common-size analysis - (also called vertical analysis) expresses each line item on a single year’s financial statement as a percent. The base amount for the balance sheet is usually total assets (which is the same number as total liabilities plus stockholders’ equity)‚ and for the income statement it is usually net sales or revenues. By comparing two or more
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irritates mucous membranes‚ the skin‚ and the airway. It also decomposes under heat or light and reacts readily with other chemicals. Bleach solutions begin to lose its effectiveness after 2 hours. You will need to make a fresh solution for each experiment. The advantage of the 70% alcohol mixtures is capable of killing most bacteria within 5 minutes of exposure. It is a 70% isopropyl alcohol solution suitable for use as a disinfectant and is safe for contact with the skin. Alcohol mixed with water
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legs (14) Paired appendages at end of abdomen called uropods Color varies grey to white * Male and Female: Females have pouches at bottom of legs for eggs Males have first two appendages * Immature: Look like adults‚ except smaller in size. * Food: Omnivores or scavengers feeding on dead or decaying plants or animals. Some may eat live plants. * Habitat: Breath with gills‚ need a moist environment‚ under rocks for example. * Predators: Vertebrates and invertebrates.
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Variables: - Caffeine concentration Dependent Variables: - Heart rate of Daphnia Other Variables to be controlled: - Temperature - Volume of solutions - Stress of Daphnia - Size of Daphnia - Time of acclimatisation Results: Daphnia | Caffeine concentration/arbitrary units | Number of heart beats/min | Mean heart rate (bpm) | A | 0 (control) | 45 | 48.75 | | 5 | 50 | | | 10 | 53 | | | 15 | 47 | |
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