Problem #12: Calculate the normality of a 40 molal sulfuric acid solution with a
density of 1.2 g/ml​

100 grams of molten lead (600°c) is used to make musket balls. if the lead shot is allowed to cool to room temperature (21°c), what is the change in entropy (in j/k) of the lead? (for the specific heat of molten and solid lead use 1.29 j/g⋅°c; the latent heat of fusion and the melting point of lead are 2.45 × 104 j/kg and 327°c, respectively.)

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion