Point load test Aim: To determine the strength characteristics of a rock using the point load test and visual judgement. Materials Loading device Loading frame Pump Ram Platens Rock Caliper Method (Standard‚ 2007) 1. Measure the dimensions of the rock which includes the diameter and length 2. Find the length to diameter ratio to determine which test will be used. If the ratio is greater than 1 use diametrical test. But if the ratio is between 0.6 and 1 use axial test 3. The axial
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Lab 11: Animal Behavior Introduction Ethology is the study of animal behavior. There are two specific categories of behavior: learned ad innate. Orientation behaviors place the animal in their specific environment. Animals move away from sensory input in taxis where as behavior is the response to sensory input. Stimulus’ of light‚ heat‚ moisture‚ sound‚ or chemicals are mostly found in taxis. Kinesis is the movement that does not result in orientation with stimulus. When animals respond to each
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Aim To investigate the effect of molar mass on the molar heat of combustion of adjacent members of a homologous alcohol series. Introduction Chemists refer to the energy stored in a substance as the heat content or enthalpy of the substance. The heat of reaction is determined by the difference in the enthalpy between the reactants and products. The molar heat of combustion of a substance is the quantity of heat liberated when one mole of that substance is burnt completely in air. In the case
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0 9.2 3 0.272 0.530 0.269 2.09 0.01 -2.02 6.3 -9.3 7.2 4 0.251 0.456 0.248 1.83 0.01 -1.86 9.6 -9.5 9.2 5 0.296 0.621 0.258 2.46 0.01 -2.84 4.1 -9.4 19.7 Table 1: DATA TABLE c) Recorded values of position‚ velocity and acceleration graphs at points A‚B‚ and
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1) Heading a. Analysis of Alum b. September 8‚2010 – September 10‚2010 c. Asad Mehmood d. Lab Partner: Alec Drey‚ Sarah Schrader‚ Seth Kerrey 2) Purpose e. Research Problem: Is what we have alum? In this lab‚ we will be analyzing alum by doing three different tests. The first will be to find the melting point‚ the second to find the amount of water in alum‚ and the third is to find the percent sulfate. We expect the values to be close to the actual.
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The experimental melting point range of the desired alkene product‚ trans-9-(2-phenylethenyl) anthracene‚ was found to be 132-134 ˚C‚ in comparison to the literature value melting point range of 130-132˚C‚1 it was slightly higher than expected. Overall‚ the experimental melting point range varied from the initial melting point temperature and maximum melting point temperature by 2˚C. As the experimental melting point had a small range of temperature variance and was above that of the literature value
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Chemistry 121 Colligative Properties Lab Demonstration of Selected Calculations from Choice I Determination of Kf for Naphthalene To determine the Kf for naphthalene‚ we need to find the difference in the freezing point of pure naphthalene and the solution of 1‚4-dichlorobenzene in naphthalene. Let’s say that we did this experiment‚ used 1.00 g 1‚4-dichlorobenzene in 10.00 g naphthalene‚ and found that the freezing temperature of pure naphthalene was 78.2°C‚ while that of the solution was 75
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Module 1: Lesson 5 ASSIGNMENT (12 marks) Lesson 5 Assignment Part 1: Molar Heat Calculations (3 marks) 1. Calculate the molar enthalpy of the NaOH(aq) using the data obtained from this experiment. Show all your work. Answer: Specific heat capacity: 4.19 J/g∙°C 50.0 ml of 1.0 mol/L NAOH Initial temperature: 23.9 °C Final temperature: 32.9 °C Change in temperature: 9 °C Q = mc∆t = (80g)(4.19 J/g∙°C)(9°C) = 3016.8 J or 3.0168 kJ ∆rH = n∆rHm 3.0168 kJ = (0.05
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Lab 5: The Integumentary System Name Using the key choices below‚ identify the indicated structures. A. adipose tissue B. venule C. motor nerve D. dermis E. arrector pili muscle F. hair bulb G. merocrine sweat gland H. hypodermis I. apocrine sweat gland J. sebaceous gland 1. D 2. H 3.C 4.J 5.E 6.F 7.I 8.G 9.A 10.B [pic] Using the key choices below‚ choose ALL responses that apply to the following descriptions. A. stratum corneum B. stratum basale C. stratum granulosum
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to IVF‚ except the sperm and eggs are placed straight into the fallopian tubes. Other technologies are also being used to reproduce children scientifically‚ for instance the freezing of eggs. Freezing eggs has been a controversial topic in Hollywood headlines recently. Celebrity couples who go through the procedure of freezing their eggs for possible future children‚ separate over time. Therefore‚ leaving the frozen eggs intact. If
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