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 mass number of any atom is always the __ - [4) (1 Poin protons in the nucleus electrons in the nucleus electrons + protons protons+neutrons
- Introduction Into Ionic Compounds 1. What is the name of the liquid that comes out of your faucet? 2. How should we write the symbols for elements found on the periodic table in terms of capital and lower case-letters? Give an example. Look at the periodic table for help. 3. What is an lon? What do we call a positive ion? A negative ion? 4. Why do atoms form ions? 5. How do atoms form ions? 6. fonic bonds are between what 2 substances?Answer: Metals and nonmetals. Metals give e and nonmetals take e
- C_(4)H_(10)+O_(2)arrow CO_(2)+H_(2)O c.
- Question 2 (2 points) George wants to make a 0.1M solution of LiCl.He carefully measures 69g of lithium chloride into a flask and adds 100mL of water.He stirs the solution until all of the crystals are dissolved What is the result? a.George used grams instead of moles in his calculation. His solution has a molarity of 70moles/L. b George did not calculate the molar mass of LiCl correctly. His solution has a molarity of 2moles/L George correctly made the solution d George's calculation included mL.instead of L. His solution has a molarity of 0.001moles/L. e George should not have stirred the solution. His solution's molarity would have been correct otherwise. George did not use the correct amount of water. His solution has a molarity of 10moles/L
- 0.862 mol of KCl is dissolved in 2000 mL of water. What is the concentration of this solution? __ m (answer with 1 significant figure) Blank 1: square