3. Recalculate the latent heat of fusion, assuming that 5.0 grams of water were transferred to the calorimeter on the surface of the ice. Is this the expected result? Why?

Write the different methods of Equivalence Calculations?

ZHN 1 eq Ac20 EtzN HO

A chardonnay wine is 13.5 percent by mass alcohol. If we consume 24 fluid oz of wine, and the density of the wine is 0.982 mg/mL, how much alcohol was consumed? 09.6 x 103 g alcohol O 301 g alcohol O 94 g alcohol O 106 g alcohol O 13.3 g alcohol

To aid in the prevention of tooth decay, it is recommended that drinking water contain 0.900 ppm fluoride, F". How many grams of F must be added to a cylindrical water reservoir having a diameter of 5.29 x 10° m and a depth of 65.43 m? mass: gF How many grams of sodiumn fluoride, NaF, contain this amount of fluoride? mass: 8 NaF

A piece of platnium metal ore obtained was determined to have a mass of 1.6124 grams. The density of platnium is 21.45 g/ml what is the full volume (in liters) of the piece of platnium

Mixtures are created by physical means (mixing a substance with another; no chemical bonding); if so, can they be separated only by physical means?

1. O3 2. Zn, H30*

Calculate the number of atoms in 264. µg of cadmium. Be sure your answer has the correct number of significant figures. Note: Reference the SI prefixes and Fundamental constants table for additional information. Cd atoms 0 x10 X

What are advantages and limitations of different types of modelling? (modelling with experiments, computer simulations, modelling kits and quantitative modelling)