Our Sun is a medium mass star that is approximately one-third of the way through its life cycle. As our sun nears the end of its life cycle and burns away most of its hydrogen fuel, it will become a Red Giant and eventually a. A. supernova b. neutron star c. red dwarf d. White dwarf

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?

Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.