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.
- 6 Multiple Choice 5 points 4Al+3S_(2)arrow 2Al_(2)S_(3) Find the moles of Al_(2)S_(3) if there are 5.25 moles of S_(2) 2.33 mol 5.25 mol 4.17 mol 1.47 mol
- Gas Laws - Mixed Practice Questions Multiple Choice Questions 1. The fundamental assumption of Avogadro's Law is that: A) All gases have identical molecular weights B) Equal volumes of gases contain equal numbers of molecules C) Gases always expand when heated D) Pressure remains constant in all reactions 2. According to Charles's Law, what happens to the volume of a gas when temperature increases (at constant pressure)? a) Volume increases b) Volume decreases c) Volume stays the same d) Volume becomes zero 3. Boyle's Law states that pressure and volume are: a) Directly proportional b) Inversely proportional c) Not related d) Always equal 4. At constant volume, if you double the temperature of a gas (in Kelvin), what happens to the pressure? a) Doubles b) Halves c) Stays the same d) Becomes zero 5. Which temperature scale must be used when calculating gas law problems? a) Celsius b) Fahrenheit c) Kelvin d) Rankine True or False Questions 1. As temperature increases gas particles move faster. 2. According to Gay-Lussac's Law, pressure and temperature are inversely proportional. 3. The volume of a gas will decrease if its temperature decreases at constant pressure. 4. Boyle's Law only works if temperature remains constant. 5. Gas pressure increases when the container volume increases at constant temperature.
- 2 Matching 5 points What is the oxidation number of Pin Mg_(3)(PO_(4))_(2) square p square
- Fill in the Blank 5 points Oxidation is the Answer of electrons. Reduction is the Answer of electrons. is a : loss : skipping fforgetting #gain #stability #reciprocal
- 4Fe+3O_(2)arrow 2Fe_(2)O_(3) 4. How many grams of Fe_(2)O_(3) are needed to produce 26 moles of Fe? 9anstedue
