Compound equation calculator
[DOC File]Percent Composition and Empirical Formula
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In order to find the molecular formula of a compound whose empirical formula is known, the molar or molecular mass of the compound must be known. In this experiment, the percent composition and empirical formula of magnesium oxide, the main compound that is formed when magnesium metal combines with oxygen in air, will be determined.
[DOC File]CALCULATION OF REPEATABILITY AND REPRODUCIBILITY
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Beta binomial distribution is a compound distribution that assumes the beta distribution of the defective ratio parameter P of binomial distribution. When random variable X follows beta distribution, the variable is given by eq.28. (28) In eq.28, n, , are parameters, and B( , ) is beta function. Probability distribution function is given by eq.29.
[DOC File]Simple and Compound Interest Worksheet
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A person wants to know what the future cost of items will be, only accounting for inflation. (ex) The inflation rate in 1990 was about 6%. (NOTE** The only problem with inflation is that the rate fluxuates from year to year, so you must realize this is an ESTIMATE.) You just use the compound interest formula. A = P(1 + r/m)mt A= P(1 + r)t
[DOC File]Solving Inequalities
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Compound Inequalities. 2 inequalities joined by the word “and” or “or” Example: -5≤ x ≤ 7 is the same as x ≥ -5 and x ≤ 7 . Example: Solving Compound Inequalities (and/or) Solve the following compound inequalities and graph the solution on the number line. –4 < r –5 ≤ -1 b. 4v + 3 < -5 or –2v + 7 < 1
[DOC File]AP Chemistry – Chapters 1 and 2
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Compute numbers in scientific notation using a calculator. Be familiar with the following terms: atom, element, molecule, compound, mixture, homogeneous, heterogeneous, extensive, intensive. Decide if a digit in a number is "significant" Round answers to arithmetic problems to reflect the precision of the number. AP Study Guide for Chapter 2
[DOC File]AP Chemistry
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A soluble compound XY2 dissociates in water according to the equation above. In a 0.050 m solution of the compound, the XY2(aq) species is 40.0 % dissociated. In the solution, the number of moles of particles of solute per 1.0 kg of water is closest to (A) 0.15 (B) 0.090 (C) 1.040 (D) 0.020. 12. Ascorbic acid, H2C6H6O6(s), is a diprotic acid with
[DOC File]AP* Chemistry
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9 Example: A compound is composed of carbon, nitrogen and hydrogen. When 0.1156 g of this. compound is reacted with oxygen [burned, combusted], 0.1638 g or carbon dioxide and 0.1676 g of. water are collected. What is the empirical formula of the compound? Compound + O2 CO2 + H2O + N2 but NOT balanced!!
[DOC File]Worksheet for Basic Stoichiometry
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Using the following equation: Fe2O3 + 3 H2 -----> 2 Fe + 3 H2O . Calculate how many grams of iron can be made from 16.5 grams of Fe2O3 by the following equation. Worksheet for Basic Stoichiometry. Part 1: Mole ←→ Mass Conversions. Convert the following number of moles of chemical into its corresponding mass in grams. 1.
[DOC File]Net Ionic Equation Worksheet Answers
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Net Ionic Equation Worksheet . READ THIS: When two solutions of ionic compounds are mixed, a solid may form. This type of reaction is called a precipitation reaction, and the solid produced in the reaction is known as the precipitate. You can predict whether a precipitate will form using a list of solubility rules such as those found in the ...
[DOC File]AP Chemistry
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0.500-g of iron(II) compound is dissolved in distilled water, acidified, and then titrated with 13.5 mL of 0.0200 M KMnO4 to reach the end point. Determine the following. a. The number of moles of MnO4- used. b. The number of moles of iron in the sample. c. The mass of iron in the sample, in grams. d. The mass percent of iron in the compound. 2.
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