Ahot iron ball is dropped into 200.0 g of cool water. the water temperature increases by 2.0 c and the temperature of the ball decreases by 18.6 c. what is the mass of the ball? waters specific heat is 4184 (j/kg•c)

What are chlorofluorocarbons and what impact do they have on the atmosphere?

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?

What is the weight of a 8-kg substance in n, kn, kg·m/s2, kgf, lbm·ft/s2, and lbf?