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.
- A-True B - False 16. True / False Safety glasses or goggles must be worn at all times. 17. True / False A student is not allowed to eat, drink or chew gum in the shop or classroom. 18. True / False If a chemical splashes in your eyes, begin water-washing immediately and continue for ten to fifteen minutes until professional assistance is obtained. 19. True / False A gas cylinder is secure as long it is standing up, because of its balancing abilities. 20. True / False When trying to identify chemicals, it is OK to smell them, as long you do not get to close. 21. True / False Any accident, however small needs to be reported to your teacher immediately. 22. In case of a chemical spill on your clothes or skin rinse the affected area with plenty of A. Alcohol B. Bleach C. Water D. Detergent List three types of safety equipment that may be used in an agriculture laboratory or shop. 23. __ 24. __ 25. __
- POSSIBLE POINTS: 2C_(7)H_(6)O_(2)+15O_(2)arrow 14CO_(2)+6H_(2)O Philly reacted 120g of Benzoic acid with a surplus of Oxygen gas.If the reaction produced 60g of Carbon dioxide what was Philly's percent yield? 50% 45% 78% 20%
- 10. What are the ideal bond angles between the phosphorus:hydrogen bonds for the PH_(3) molecule? __
- Given a gas is at 23 L and 10 mol, what is the volume of the gas when the number of moles changes to 8 mol? 23.0 L 18.4 L 9.8 L 1.841
- The electrolysis of water forms H_(2) and O_(2) 2H_(2)Oarrow 2H_(2)+O_(2) What is the percent yield of O_(2) if 10.2 g of O_(2) is produced from the decomposition of 17.0 g of H_(2)O Use % Yield=(Actualyield)/(Theoreticalyield)times 100 15.1% 33.8% 60.1% 67.6%