of mass and volume measurements and their manipulations through calculation. • Distinguish wholesome substances and mixtures utilizing density determinations. • To hone and practice great lab strategies. This lab report discusses an experiment to become cognizant of mass and volume measurements and their manipulations through calculation. Also‚ to distinguish wholesome substances and mixtures utilizing density determinations. The objective of this lab is to hone and practice great lab strategies.
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Laboratory Report 1 Title : Accurate Measurement of Mass and Volume Part A: The Formula of Hydrated Copper (II) Sulfate Aim: The objective of this experiment is to find out the accurate mass of a solid and to calculate the moles of an unknown. Materials: The materials used in this experiment are Hydrated Copper (II) Sulfate‚ weighing bottle‚ analytical balance‚ laboratory balance‚ casserole‚ spatula‚ and hotplate. Methods: First‚ approximate 1.0g of hydrated copper (II) sulfate was
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A safety audit for the gas-solid fluidization experiment was conducted. The following safety concerns were found when performing the audit: operating beyond the operating limits‚ spillage of the beads‚ risk of head injury from bending over to change the beads in the apparatus or from the low bar‚ and congestion of the workspace. One of the biggest safety concerns with this lab involved the small glass beads that acted as the solid in the experiment. If the gas flow rate goes below 50 standard cubic
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Hess Law Lab DESIGN Aspect 1: Problem: What is the molar enthalpy of formation of magnesium oxide? Variables: Manipulated: None Responding: None Controlled: Isolation of calorimeter‚ concentrations of substances involved. Aspect 2: Background Information: Assumptions: Specific heat capacity of water‚ we assume that the acid has the same qualities as water including heat capacity‚ and we assume the enthalpy of formation for magnesium oxide from the data booklet for theoretical
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constant. Use potassium chloride with a known conductivity as a standard solution. The conductivity measurements are not appropriate to compare between two electrolyte solutions because of the high dependant towards solution concentration. The molar conductivity (Λm) measurements would be more appropriate. Λm could be determined from the conductivity value: [pic] where C is the electrolyte concentration In mol/L. the unit is S cm2mol-1 If the dependant of conductivity towards concentration
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Introduction to Measurement Mass‚ Length‚ and Volume Introduction Much of what we know about the physical world has been obtained from measurements made in the laboratory. Skill is required to design experiments so that careful measurements can be made. Skill is also needed to use lab equipment correctly so that errors can be minimized. At the same time‚ it is important to understand the limitations of scientific measurements. Concepts Measurement Significant figures Accuracy
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Two-Shaft Gas Turbine 1st Law Demonstration Lab Report CCTD101B THE UNIVERSITY OF TRINIDAD & TOBAGO FOR: MR REAN MAHARAJ March 25‚ 2012 Authored by: Odia Pollard (55628) 1 Contents AIM ................................................................................................................................................................ 2 METHOD..............................................................................................................................................
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carbonate until 250 ml of solution were made. I had to calculate‚ from the information provided‚ how much sodium carbonate to use in the making of the solution. Using the volume and concentration of the solution‚ I was able to calculate the moles of the solution (concentration x volume). Using the periodic table I was able to calculate the molar mass of sodium carbonate which was 106‚ from this I could calculate the mass of the sodium carbonate I needed to make the solution (moles x Mr). After making the
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Review the behavior of the gas phase vs. the liquid phase. Solution: a) The volume of the liquid remains constant‚ but the volume of the gas increases to the volume of the larger container. b) The volume of the container holding the gas sample increases when heated‚ but the volume of the container holding the liquid sample remains essentially constant when heated. c) The volume of the liquid remains essentially constant‚ but the volume of the gas is reduced. The particles in a gas are further apart than
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Academy A mole is a scientific unit developed by chemist that measures large quantities of very small things‚ such as atoms‚ molecules‚ and other particles. There are three types of molar conversions; moles to particles or particles to moles‚ moles to mass or mass to moles‚ and moles to volume or volume to moles. The number of units in a mole is 6.02 × 1023. This number is called Avogadro’s number in honour of Amedeo Avogadro. Full name‚ Lorenzo Romano Amedeo Carlo Avogadro was an Italian
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