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.
- monde? stared between Lithium and Chlorine when they bond to a. 1 b. 2 C. 3 d. 6 8. Write the chemical formula for Aluminum Sulfide. a. AIS b. Al_(2)S_(3) Al_(3)S_(2) d. Al_(6)S_(3) 9. Which of the following will covalently bond to form a molecular compound? a. Chlorine and sodium b. Chlorine and yttrium C. Oxygen and magnesium d. Oxygen and hydrogen 10. If an atom loses two electrons what charge will it have? a. +2 b. -2 C. +1 d. -1 Ionic compounds are written with a. Cation (+ion) first b. Anion (- ion)first C. Either is fine Polyatomic ions first be following ionic compound: BeCl_(2) chlorine VIlium(II) chloride
- 4. You have a 1.50 L oxygen (O_(2)) tank at standard temperature and pressure. How many moles of oxygen do you have?
- 2. A L flask contains argon at 3.50 atm and 127^circ C How many moles of argon are present?
- 1/3 Calculate the molar mass of sodium hydroxide (NaOH).
- Test: Chemical Reactions Add the ap appropriate coefficient to balance the following chemical equations. 1. underline ( )Al(s)+underline ( )Cl_(2)(g)arrow underline ( )AlCl_(3)(s) 2. underline ( )Zn(s)+underline ( )AgNO_(3)(aq)arrow underline ( )Ag(s)+underline ( )Zn(NO_(3))_(3)(aq) 3. underline ( )Cu(NO_(3))_(2)(aq)+underline ( )NaOH(aq)arrow underline ( )Cu(CH_(3))_(2)(s)+underline ( )NaNO_(3)(aq) 4. __ underline ( )H_(2)SO_(4)(aq)+underline ( )KOH(aq)arrow underline ( )H_(2)O(l)+underline ( )K_(2)SO_(4)(aq) 5. underline ( )C_(2)H_(26)(g)+underline ( )O_(2)(g)arrow underline ( )CO_(2)(g)+underline ( )H_(2)O(g) Classify each reaction above as a single replacement,double replacement, synthesis, decomposition, comb neutralization reaction. 6. Equation 1: __ 7. Equation 2: __ 8. Equation 3: __ 9. Equation 4: __ 10. Equation 5: __ ite the net ionic equations for the reactions shown above in equations 3 and 4.
