solubility of minerals in water? What is the relationship between temperature and solubility? Hypothesis: If salt and sugar are each tested in water of varying temperatures‚ then salt and sugar’s solubility will increase as the temperature also increases. Materials: Two 250 mL beakers Tap water 100 mL graduated cylinder Hot plate Two petri dishes Glass stirring rod Salt Sugar Thermometer Ice Balance Scoopula Graph Paper Procedure: Part 1(Tap
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Separating a Mixture Aim: To separate the components of a mixture of sand and salt. To carry out a gravimetric analysis to calculate the percentage of both components. Equipment: * Electronic Scale | * Evaporating Basin | * Beaker | * Bunsen Burner | * Glass Stirring Rod | * Filter Funnel | * Wire Gauze Mat | * Filter Paper | * Heat Resistant Mat | * Conical Flask | * Safety Glasses | * Tripod | * Matches | Tongs | Risk Assessment:
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BKristen Gershkoff Mr. Zabel Ecology 1 October 2012 How Abiotic Factors Affect the Biota The variation of abiotic factors in both the beach and the salt pond greatly affect the biota in those areas. At the beach there was a rocky landscape that rounded the water‚ while at the salt pond‚ there was more of a wet grassy area allowing different life forms or biota to thrive in each. Also‚ physical factors such as temperature‚ salinity‚ or dissolved oxygen levels allow for different life forms to
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8: Salts 1. Salts A salt is an ionic compound. The anion part comes from the acid while the cation part comes from a base. Example: KCl‚ KOH(aq) + HCl(aq) KCl(aq) + H2O(l) A salt is a compound formed when the hydrogen ion. H+ from an acid is replaced by a metal ion or an ammonium ion‚ NH4+. Salts Nitrate salts Carbonate salts Chloride salts Soluble All nitrate salts Potassium carbonate‚ K2CO3 Ammonium carbonate‚ (NH4)2CO3 Sodium carbonate‚ Na2CO3 All chloride salts Except Sulphate salts All
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Fundamental Science Salt water egg experiment Result Some objects float on top of the ocean‚ and other objects sink to the bottom. Why? In this salt water egg experiment we can find a solution for this question. It was noted that to make the egg float salt is needed to dissolve into fresh water. When the egg was lowered into the fresh water container it started to sink. But when salt was added to the container the egg started to float. Adding salt to the water squishes more
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SALTS AND THEIR PREPARATION SALTS A salt is a compound formed when the hydrogen ions in an acid are replaced by metal ions or by ammonium ions. Compounds in which the H+ ions in an acid have been replaced by ammonium ions (NH4+) are called ammonium salts. NOTE: •An anion is a negatively charged ion. Hence:•Hydrochloric acid gives chlorides. E.g. sodium chloride‚ ammonium chloride. •Nitric acid gives nitrates. E.g. barium nitrate‚ copper nitrate. •Sulphuric acid gives sulphates. E.g. silver sulphate
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EXPERIMENT #4: STATE OF MATTER SLEUTH Calculations To find the molecular weight of the unknown salt: The unknown salt that was assigned is unknown salt in vial #2‚ which was weighed to 0.12 g mass. Initial Volume of NaOH | Final Volume of NaOH | Volume of NaOH needed | 46.6 mL | 34.8 mL | 46.6-34.8=11.8 mL 46.6-34.8=0.0118 L | 1) Number of moles of NaOH used=0.0118 L of NaOH0.1 M of NaOH 1) Number of moles of NaOH used=0.00118 mol 2) The number of moles of NaOH used is equal
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done this. I am trying to prove that when you add a certain amount of salt to water‚ it will make it more dense. I took pictures of the results. This information can be useful because we can test the density of salt water versus the density of normal tap water.. Hypothesis: Eggs sink in water. I think that
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just continuations of the age-old human tradition of salting meat to preserve it and make it safe for eating. Curing helps to prevent foodborne illness caused by bacteria like Clostridium botulinum. It is also important to recognize that the curing salts used to cure meat can be deadly if they are not handled carefully. Cure meats safely by following these steps: Decide which meat you want to cure. Ham is the most popular choice‚ but you can cure any meat. To make things easier‚ choose meat cuts
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and salt water will be added to the beaker to be separated. The sand will then be separated through the means of filtration. Then the salt will be separated from the water through evaporation. Theory: If the heterogeneous mixture is separated through filtration then the salt water and sand should be separated completely.A heterogeneous mixture is a mixture that is not evenly distributed throughout. If the homogenous mixture is separated through evaporation‚ then their should just be salt left
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