Ayuda con la tarea de química
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.
- The electrons in an ionic molecule are shared. __ Evenly Unevenly Electrons are not shared
- The electrons in a NONPOLAR covalent molecule are shared __ Equally Unequally They are not shared
- SECTION 1. SHORT ANSWER Answer the following questions in the space provided. 1. Match the symbol on the left with its appropriate description on the right. __ A (a) A precipitate forms. __ I (b) A gas forms. __ T (c) A reversible reaction occurs. __ 1 (d) Heat is applied to the reactants. __ (aq) (c) A chemical is dissolved in water. __ (f) A chemical is in the liquid state. 2.) Finish balancing the following equation: 3Fe_(3)O_(4)+underline ( )Alarrow underline ( )Al_(2)O_(3)+underline ( )Fe 3. In each of the following formulas, write the total number of atoms present. __ a. 4SO_(2) __ b. 8O_(2) __ c. 3Al_(2)(SO_(4))_(3) __ d. 6times 10^23HNO_(3) 4. Convert the following word equation into a balanced chemical equation: convert mherelowing work cypation solution comporite lengtrile alominum, metal + copper(II) fluoride __ 5. One way to test the salinity of a water sample is to add a few drops of silver nitrate solution with a known concentration. As the solutions of sodium chloride and silver nitrate mix a precipitate of silver chloride forms, and sodium nitrate is left in solution. Translate these sentences into a balanced chemical equation. __ 6. a. Balance the following equation: NaHCO_(3)(s)xrightarrow (Delta )Na_(2)CO_(3)(s)+H_(2)O(g)+CO_(2)(g) __ CHEMISTRY CHEMICAL EQUATIONS AND REACTIONS
- The electrons in a POLAR covalent molecule are shared. __ Equally Unequally They are not shared
- How many atoms are needed to build Octahedra shape? 7 4 6 5
