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.

Question 2 (2 points) How many moles of LiMnO_(4) are in 0.107 Lof 2 M solution? __ mol (Answer should contain 1 significant figure). Blank 1: square

7. How should inveetigntore-par package speckinene collected a. In breathable containers b. In plastic bags c. In airtight containers d. In paper bags Match the following degrees of arson with their definitions. 8. First-degree arson 9. Second-degree arson 10. Third-degree arson a. Abandoned buildings; fields,forrests, woods b. Occupied buildings c. Unoccupied buildings

Match the following Some terms may be used more than once or not at all. Column A __ The substance that is being dissolved into something else 2. __ The substance that something is being dissolved into 3. __ A measurement of concentration 4. __ The unit of volume required to calculate molarity 5 Formula: Moles/Liters (sometimes written as n/L 6. __ Sodium chloride is dissolved into water Sodium chloride is the Column B a Solve b.Liters c. Molari d.Solute e. Water

A positive ion has __ protonsthan electrons. A more B less

1. What is the primary chemical reaction that occurs during combustion? a. Reduction b. Oxidation c. Hydration d. Sublimation 2. Which of these is NOT one of the three requirements for sustaining combustion? a. Pressure b. Oxygen c. Fuel d. Heat 3. What pattern do investigators look for to determine a fire's point of origin? a. U-pattern b. X-pattern c. V-pattern d. W-pattern 4. What is a common method used to detect accelerants at a fire scene? a. Hydrocarbon detectors b. UV light scanning c. pH testing d. Metal detectors 5. Which of these is NOT a common reason for committing arson? a. Political protest b. Insurance fraud c. Revenge d. Pyromania 6. What makes arson investigation particularly challenging compared to other crimes? a. Limited witnesses b. Destroyed evidence c. Time constraints d. Legat complications