Express in scientific notation. Choose the answer with the proper number of significant figures. (4 x 10')(6 x102)
1.2 x 102
20. X 1026
10 x 1026
2 x 1027

Think about how you can use le chatelier’s principle to find possible solutions to the design problem. describe at least two ways to increase the yield (amount) of ammonia based on this principle.

According to the tide table below what time of day will the highest tide occur?

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.