"Hot cocoa has an ideal temperature of 60 degrees Celsius. At this temperature, marshmallows melt slowly and mouth burns are avoided, but the cocoa remains warm. The graph above shows the heating curve for Brett's microwave. Based on the graph to the nearest half-minute, how long should Brett heat his cocoa?"

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

Which is an example of a reversible physical change?

Some molecular compounds, such as hcl, ionize completely in solution. for molecular compounds such as h2co3, most molecules do not ionize in solution. which describes the properties of these two solutes? a. hcl and h2co3 have the same effect on the properties of the solution. b. hcl raises the freezing point of water more than h2co3 does. c. hcl raises the boiling point of water more than h2co3 does.