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El solucionador de problemas de química de QuetionAI es una herramienta de tutoría de química para escuelas secundarias que puede resumir reacciones y ecuaciones químicas clave para los usuarios en tiempo real y tiene un potente sistema de aprendizaje para que incluso los estudiantes con una base débil puedan dominar la química fácilmente..

Ya no tendrás que preocuparte por las propiedades elementales de la tabla periódica. Aquí podrás acceder fácilmente a las reacciones químicas y principios de reacción correspondientes a cada elemento. Deducir la estructura original de moléculas y átomos a partir de los fenómenos macroscópicos que se pueden observar es una técnica de investigación química que siempre hemos defendido.

Homework #2 Synthesis and Decomposition Reactions Write a balanced chemical equation and identify the type of reaction on each of the following: __ 3. 2H_(2)Oarrow arrow 2H_(2)+1O_(2) 2 H 2 110/2 4. __ underline ( )Ba+underline ( )N_(2) Bavert 3underline ( )Ba_(3)N_(2) Classify the following reactions and then correctly fill in the missing piece. 6. __ 2HgOarrow 2Hg+1O_(2)

6. How many grams of barium chloride are produced when 1.25times 10^23 molecules of HCl reacts with barium according to the following equation? Word equation: hydrochloric acid+bariumarrow barium hydroxide+hydrogen Formula equation: 2HCl+1Baarrow 1BaCl_(2)+1H_(2)

5. How many liters of propane (C_(3)H_(8)) are needed to react with 15.2 lited of oxygen at STP in order to produce water and carbon dioxide? 1C_(3)H_(8)+5O_(2)arrow 4H_(2)O+3CO_(2)

Chemistry: Atoms, Mass,and the Mole Directions: Use appropriate conversion factors and unit cancellation to solve the following problems. In order to get full credit, you must show the set-up and include units in all quantitios. 1. Find the number of atoms of phosphorus (P) in 3.44 moles of phosphorus. 2. What is the mass of 0.38 moles of cobalt (Co)? 3. How many moles of nickel (Ni) is 3.88times 10^25 atoms of nickel? 4. How many atoms is 3.75 moles of iron (Fe) 5. Find the number of moles of sodium (Na) in 145 g of sodium. 6. How many moles is 0.55 g of magnesium (Mg)? 7. If you have 7.22times 10^23 atoms of chromium (Cr)how many moles of chromium do you have? 8. What mass of tungsten (W) is 35 moles of tungsten? 9. How many atoms is 5.2 moles of titanium (Ti)

4. What mass of aluminum hydroxide are needed to decompose in order to produce 65.0 L of water at STP according to the following equation? 2Al(OH)_(3)arrow 1Al_(2)O_(3)+3H_(2)O