• anonymous
I really need help!! Based in the rules of John Dalton, what is a possible hypothesis that could be tested in the Atomic Theory lab?
  • Stacey Warren - Expert
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  • jamiebookeater
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  • nincompoop
I am not sure if the information I have attached is the one you are looking for. The only way I can make a connection between John Dalton and Biology is the Chemistry of life, which states that any matter is made up of tiny particles called atoms. The implication of this statement indicates that we (humans) are not special or different in any way when it comes to fundamental structure down to the smallest known scale compare to say a rock, a tree, or a table. Dalton’s Atomic Theory 1. Each element is made up of tiny particles called atoms. 2. The atoms of a given element are identical; the atoms of different elements are different in some fundamental way or ways. 3. Chemical compounds are formed when atoms of different elements combine with each other. A given compound always has the same relative numbers and types of atoms. 4. Chemical reactions involve reorganization of the atoms—changes in the way they are bound together. The atoms themselves are not changed in a chemical reaction. Common experiments that can be done to test Dalton's Theory involve counting the sum of the mass of the reactants, and the sum of the mass of the products; these sums between the reactants and products must be equal. Thus, an indication that the parts or reactants in the products did not change. According to one of the examples in Chemistry books indicate the following: A good theory should not only explain known facts and laws but also predict new ones. The law of multiple proportions, deduced by Dalton from his atomic theory, states that when two elements form more than one compound, the masses of one element in these compounds for a fixed mass of the other element are in ratios of small whole numbers. To illustrate this law, consider the following. If we take a fixed mass of carbon, 1.000 gram, and react it with oxygen, we end up with two compounds: one that contains 1.3321 grams of oxygen for each 1.000 gram of carbon, and one that contains 2.6642 grams of oxygen per 1.000 gram of carbon. Note that the ratio of the amounts of oxygen in the two compounds is 2 to 1 (2.6642 ÷ 1.3321), which indicates that there must be twice as much oxygen in the second compound. Applying atomic theory, if we assume that the compound that has 1.3321 grams of oxygen to 1.000 gram of carbon is CO (the combination of one carbon atom and one oxygen atom), then the compound that contains twice as much oxygen per 1.000 gram of carbon must be CO2 (the combination of one carbon atom and two oxygen atoms). The deduction of the law of multiple proportions from atomic theory was important in convincing chemists of the validity of the theory.

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