What other substance (besides salt) could you sprinkle over ice to affect how fast it melts? Describe how you would test the substance’s impact on the melting time of ice. Predict the results of such a test.

What can be the use of smoke transformed into liquid?

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6