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.

1. What can you do to help reduce the amount of VOCs in the air? __

goles Test 81. The GFM of magnesium chloride, MgCl_(2) is: a. 5908g/mol b. 95.2g/mol C 125.8g/mol d. 76.4g/mol 82. What is the percent composition of aluminum in aluminum sulfat a. 54.0% b. 28.1% C. 15.8% d. 84.2% 83. How many grams are in 2.00 moles of sodium sulfate (Na_(2)SO_(4) a. 2849 b. 2389 C. 0.0141 g d. 0.0170 g 84. Which of the following is an empirical formula? a. CH_(3) b. C_(6)H_(12)O_(6) N_(2)O_(4) d. C_(5)H_(10) 85. How many grams are in 6.02times 10^23 molecules of CO_(2) a. 449 b. 2.64times 10^25g C. 7.319 d. 649 60 moles? Name

Synthesis and decomposition reactions can be identified based on some typical characteristics,Which statements best describe the characteristics of synthesis and decomposition reactions? Select all that opply. A Synthesis reactions are typically exothermic and the reactants consist of two different elements. B Decomposition resctions are :ypically endothernic and the reactant is a compound with two or more elements. C Synthesis reactions are typically endothermic and the reactant is a compound with two or more elements. Decomposition reactions are typically exothermic and reactants are single elements.

he average bond energy of the single covalent bond in H_(2) Is 436kJ/mol Which of the following statements is true? A 436 kJ are required to break all of the chemical bonds in 1molH_(2) B 435 kJ are released when all of the chemical bonds in 1 mo H_(2) are broken. C 436 kJ are required to break one H-H bond. D 436 kJ are released when one H-H bond forms.

RECOGNIZING CAUSE AND EFFECT One reading skill is the ability to recognize cause and effect. Read each question and write the answer in the space provided. 8. Why do power plants emit such a high percentage of pollutants? __ 9 examples of industries that can be sources of VOCs in the air. __ 10. electrical __ 11 of VOCs __