Find the volume of an object that has a mass of 20g and density of 184 glcm

What are some examples of properties of water?

Calculate the fraction of lattice sites that are Schottky defects for cesium chloride at 623 oC (this temperature is below the melting temperature (645oC)). Assume an energy for defect formation of 1.86 eV.

Why is the bond angle in a water molecule less than the bond angle of methane? A. The central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. B.

A balloon is filled with 35L of helium in the morning when the temperature is 20C. By noon the temperature has risen to 45C. What is the new volume of the balloon?

Equally soluble in a variety of organic solvents (bottles labeled A, B, C). If the student needs the aqueous layer to be the bottom layer in the separatory funnel, what piece of information is most critical for making the solvent selection?

A chemical is placed in a beaker containing 20 g of soil and 500 mL of water. At equilibrium, the chemical is found in the soil ast a concentration of 100 mg. kg-1 of soil.

A solid reactant is placed into a beaker of warm water. The liquid vigorously bubbles as the soild dissolves into the solution. What will most likely happen if the temperature of the liquid is slightly reduced

How does the space between atoms change as agas goes through prase changes to become a soild? how. do they different? use words to describe

What is an endothermic reaction? O A. A reaction that produces heat O B. A reaction that uses radiation waves C. A reaction that absorbs heat O D. A reaction that contains enthalpy

How does the conservation of matter relate to balancing equations?