Why is it a physical change to freeze water?(1 point) The new and original substances are different.

A temperature change occurs.

Only a phase change occurs.

Heat is released during the process.

How are isotopes of the same chemical element alike? how are they different?

How have the greenhouse gasses increased from the year 2000 to 2018

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3