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.

Test a MgCl_(2) b 5908g/mol 95.2g/mol 125.8g/mol 76.4g/mol C d a. 54.0% What is osc-Percent composition of aluminum in aluminum suit b. 28.1% C. 15.8% d. 84.2% a 264g How many grams are in 2.00 moles of sodium sulfate (Na_(2)S b. 2389 C. 0.0141 g d. 0.01700 44. Which of the following is an empirical formula? a. CH_(3) b. C_(6)H_(12)O_(6) C. N_(2)O_(4) d. C_(5)H_(10) 85. How many grams are in 6.02times 10^23 molecules of CO_(2) a. 44g b. 2.64times 10^25g C. 7.31g d. 64g 86. How many molecules of SO_(2) in 1.60 moles? a. 102.1times 10^1 b. 9.63times 10^23 C. 3.76times 10^23 d. 7.62times 10^1 87. What is the percent composition of Cr in chromium a. 31.6% b. 68.4% C. 34.2% d. 76.4% 88. Sodium nitrite (NaNO_(2)) is commonly used in proc pink color in meats and delays the development sodium nitrite. a. 20.30% b. 46.38% 33.32% d. 69.00% Name

__ 5. Power plants that produce electricity emit a. sulfur dioxide and nitrogen oxide c. nitrogen oxide and VOCs. b. sulfur dioxide and VOCs. d. fossil fuels. Read each question and write the answer in the space provided. 6. What are VOCs? __ 7. Reread the first four sentences of passage think sulfur dioxide and nitrogen oxides in the air are harmful or beneficial? Explain your answer. __

The kinetic molecular theory states that gas particles: Have strong intermolecular forces Are significantly affected by gravity. Vibrate around fixed points. Move in random straight-line motions.

Which property of gases allows them to expand and fill a container? Indefinite shape Fluidity Compressibility Low density

2AgNO_(3)+BaCl_(2)arrow 2AgCl+Ba(NO_(3))_(2) How many grams of silver chloride are produced from 5.0 g of silver nitrate reacting with an excess of barium chloride?