Calcule el volumen de 2.15 mol de gas oxígeno a 27oC y 1.25 atm Es peligroso que los envases de aerosoles se expongan al calor. Si una lata de fijador para el cabello a una presión de 4 atmósferas y
a una temperatura ambiente de 27 °C se arroja al fuego y el envase alcanza los 402 °C ¿Cuál será su
nueva presión? La lata puede explotar si la presión interna ejerce 6080 mm Hg ¿Qué probabilidad
hay de que explote?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation. 8. when a 2.5 mol of sugar (c12h22o11) are added to a certain amount of water the boiling point is raised by 1 celsius degree. if 2.5 mol of aluminum nitrate is added to the same amount of water, by how much will the boiling point be changed? show all calculations leading to your answer or use 3 – 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100⁰c, how much steam at 100⁰c is produced? show all calculations leading to an answer. 10. the freezing of water at 0⁰c can be represented as follows: h2o (l) ↔ h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 – 4 sentences explain why applying pressure causes ice to melt.

Apush or pull that moves or changes and object when to objects touch