A physical property is a characteristic of a substance is one that . A.) can be observed by changing it into a different substance

B.) is seen after changing it into a different substance

C.) can be observed without changing it into a different substance

D.) does not involve freezing or boiling the substance

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.

Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.

What is the increase in density of a medium due to wave travel?