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A compound is 19.4% calcium, 34.3% chlorine, and 46.3% oxygen. what is its empirical formula?

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A compound has an empirical formula of C2H303. if its molar mass is 300.20 g, what is its molecular formula?

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Determine the geometry for how two acetonitrile molecules would interact with each other

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Tamara pours hot tea into a cold mug. A few moments later, she picks up the mug, and it is now warm. What is the main form of energy transfer involved in heating the mug?

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If 0.4 moles of carbon are allowed to react with 0.6 moles of molecular oxygen, how many moles of CO2 are formed?

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How many grams of water can be produced when 65.5 grams of sodium hydroxide reacts with excess sulfuric acid? (4 points) You must balance this equation first! H2SO4 + NaOH → H2O + Na2SO4 Show, or explain, all of your work along with the final answer.

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A diatomic gas has the molar mass of 38.00g/mol. What is the possible formula?

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Gas-to-liquid synfuel production can produce diesel, naptha and paraffin. The formation of these products usually involves _____. the Fischer-Tropsch Process the removal of carbon atoms from the fuel adding highly acidic substances such as hydrochloric acid the production of radioactive waste that must be stored in protective barrels

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How does energy change form when you eat food?

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How many moles of oxygen are needed to burn 425 get of sulfur?

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Iron(III) oxide is formed when iron combines with oxygen in the air. How many grams of Fe2O3 are formed when 25.9 g of Fe reacts completely with oxygen? 4Fe(s) + 3O2(g) —> 2Fe2O3(s) A.12.0g B. 25.0g C. 37.0g D. 49.0g

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How many moles are there in 132g of CO2? How many dm3 would this be

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How do you balance the chemical formula for sugar? (C6H12O6)

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Is 2mg+o2= 2mgo a redox reaction

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Calculate the number of formula units in 4.55 grams of lithium carbonate, Li2CO3

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When organic molecules are presented in simplified form, what should you place at each branch point?

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The following acid-base indicators are available to follow the titration. Which of them would be most appropriate for signaling the endpoint of the titration? EXPLAIN ——- COLOR CHANGE —— INDICATOR Acid form Base Form pH Transition Interval Bromphenol blue yellow blue 3.0-5.0 Bromthymol blue yellow blue 6.0-7.6 Thymol blue yellow blue 8.0-9.6 PLEASE ANSWER IT!!!!!!!!!!!!!!!

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Why is it uncommon for noble gases to form chemical bonds?

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In what unit is formula mass expressed?

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The reaction of fluorine with ammonia produces dinitrogen tetrafluoride and hydrogen fluoride. 5 F2( g. + 2 NH3( g. N2F4( g. + 6 HF( g. ( a. If you have 73.7 g NH3, how many grams of F2 are required for complete reaction? b. How many grams of NH3, are required to produce 5.25 g HF? ( c. How many grams of N2F4 can be produced from 269 g F2?

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Find the potential difference required to accelerate protons from rest to 10% of the speed of light. (at this point, relativistic effects start to become significant.)

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Calculate the density of propanol c3h8o if you know that there are 1.069×1025 molecules of propanol in 1.35 l.

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The _____ rate is the number of particles that react in a given time to form products. a. le chantelier b. reaction c. dynamic d. elementary

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What action leads to crystal formation in minerals? A. The atoms and molecules join together. B. Chemicals break apart. C. Temperature changes create unusual shapes. D. The atoms or molecules form repeating structures.

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How many kilojoules are required to melt 15g of ice at 0c and raise the temperature of the liquid that forms to 85c?

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Identify the type of bonding, molecular geometry (shape), and intermolecular forces experienced by the compounds HF and HBr. Which substance would experience a stronger attraction between its molecules, and why?

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Hon placed aquatic plants in several test tubes that were filled with water. Then, he placed half of the test tubes in a dark closet and the other half in a well-lit room. When he recorded his data, some of the plants had formed many small bubbles on the leaves, and some did not. Which describes what Hon most likely observed and the reason for these results? a.The plants in the dark formed bubbles because they released hydrogen gas. b.The plants in the dark formed bubbles because they released water vapor. c.The plants in the light formed bubbles because they released carbon dioxide gas. d.The plants in the light formed bubbles because they released oxygen gas.

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The chemical equation below summarizes cellular respiration. 6O2 + C6H12O6 à 6CO2 + 6H2O + energy The energy that is released by cellular respiration is in the form of a. dark energy. b. solar energy. c.nuclear energy. d.chemical energy.

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So2 is covalent or ionic

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What characteristics of sodium and chlorine atoms allow them to form the stable compound sodium chloride, Also known as table salt?

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