Your teacher wants to create a density bottle with three solutions called a, b, and c. Calculate the densities and complete the model of how the three liquid layers will appear once settled show all your work! your teacher put 45 mL of solution a with a mass of 65 grams. Then, put 15 mL of solution b with a mass of 23 g into the bottle. Lastly, they put 100 ml of solution c with a mass of 130 g in the bottle

Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(m⋅k), and the styrofoam has k= 0.010 w/(m⋅k). the interior surface temperature is 19.0 ∘c , and the exterior surface temperature is -15.0 ∘c . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2