Short-circuiting logical operators && and || OR (||) expressions – if the first evaluates as true‚ no need to evaluate the second operand AND (&&) expressions – if the first evaluates as false‚ no need to evaluate second operand C# also includes the & and | operators logical does not perform short-circuit evaluation NESTED-IF ELSE STATEMENT * Acceptable to write an if within an if * When block is completed‚ all remaining conditional expressions are skipped or bypassed *
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Salt and the effect it has on water. Do you like salt? Do you put it on your food to make it taste better? Salt doesn’t just make food taste better; it can change the freezing and boiling point of water. I bet you didn’t know that! There’s a reason for that‚ but I’ll explain that a little later. First‚ let’s find out if salt can actually change the freezing and boiling point of water. To do so‚ we need to do an experiment. Now‚ if you’re going to do an experiment‚ you’re going to need a hypothesis
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Vitamin C also known as ascorbic acid is vital to our body. It can strengthen our body to resist against infection. It is known that deficiency of vitamin C can cause scurvy. Vitamin C is present in various fruits. Since vitamin C is a reducing agent‚ it can be deactivated by a wide range of oxidizing agents including atmospheric oxygen. Therefore‚ precautions are needed to prevent or minimize the degradation of vitamin C during sample preparation. The ascorbic acid exists in two forms which
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Learning Objectives: 1. Describe the major components of a computer system and how they work together to solve problems and manipulate data. 2. Define the major categories of software and the kinds of languages in which they are implemented. 3. Explain the process of writing‚ compiling‚ and executing high-level language programs 4. Introduce C programming language 1. Introduction A computer is a system made of 2 major components: 2. Computer Software
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perimeter of circle in c code. This c program makes a contrasting concept that how a return statement can return more than one value. Usually in C programming we make a call by value. This means that in general you cannot alter the actual arguments. But if desired‚ it can always be achieved through a call by reference. Using a call by reference intelligently we can make a function return more than one value at a time‚ which is not possible ordinarily. This is shown in the c program find area and perimeter
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2009 Exam #4 Name Date 1. The bombardment of with nuclei gives two products‚ one of which is The other product is ________. A. B. C. D. E. 2. The decay of to occurs through the emission of a(n) ________. A. alpha particle B. beta particle C. neutron D. proton E. positron 3. Radionuclides which have too low of a neutron/proton ratio generally decay through ________. A. beta emission B. electron capture or positron emission C. gamma ray
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DETERMINATION OF VITAMIN C CONTENT IN COMMERCIAL (CENOVIS) TABLET ABSTRACT In this experiment‚ the vitamin C content of a commercial tablet is determined and compared with the manufacturers’ specification. Vitamin C is water-soluble and is an enantiomer of ascorbic acid. (Commercial vitamin C is often a mixture of ascorbic acid and other ascorbates.) Ascorbic acid‚ C6H8O6‚ is a reducing agent that reacts rapidly with iodine (I2). As the iodine is added during the titration‚ the ascorbic acid is oxidized to
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Analysis of Phosphate Introduction The aim of the experiment is to determine the concentration of phosphate ions in unknown samples. A series of dilution of known concentration is performed from the phosphate working solution. Each of the prepared working standards‚ the unknown samples and the blank are then made to react with a mixed reagent which have been prepared after acid wash of the glasswares Glassware * 2 Beakers * 11 conical flasks * 9 Volumetric flasks 50 ml * 1 Volumetric
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EXPERIMENT 19: Properties and Reactions of Acids-Bases REPORT FORM Instructor ________________________ Date ____________________________ Partner’s Name: ___________________ Results and Observations Name ___________________________ I. & II. Conductivity and pH of Acid/Base Solutions: Solution Strong or Weak Conductivity Strong or Weak Acid/Base pH 0.1 M HCl (aq) 0.1 M HC2H3O2 (aq) 0.1 M NaOH (aq) 0.1 M NH3 (aq) Question 1. Both acids above have the same concentration‚ 0.1 M‚ but
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Experiment 1: Purification of Benzoic Acid by Recrystallization III. Introduction Purification - physical separation of impurities and by-products from an impure sample pure substance. *Distillation- for liquid compounds‚ *Recrystallization- solid compounds Recrystallization - precipitation of a solid cpd. from a saturated solution in the form of crystals through cooling or evaporation -7 steps: 1) selecting the appropriate solvent 2) dissolving the solute 3) decolorizing the
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