Al fluido que evoluciona dentro de una máquina térmica ideal de Carnot se le suministra una cantidad de calor igual a 100.000 Kcal. Suponiendo que el foco caliente se encuentra a 127°C y el foco frío a 7°C, calcular: a) El rendimiento térmico de la máquina b) El trabajo mecánico desarrollado c) La cantidad de calor que pasa al foco frío.

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

You went to a restaurant and spent $53.25 on the meal. there was a 6% sales tax. what was the amount of money, not including a tip, you spent at the restaurant?