1. Balance the following chemical equation: put a number on the line to the left side of each compound (or element). If it’s a “1”, you can leave it blank. ___C5H11OH + ___O2 → CO2 + H2O

2. Balance the following chemical equation: put a number on the line to the left side of each compound (or element). If it’s a “1”, you can leave it blank.
C4H9OH + O2 → CO2 + H2O

3. Balance the following chemical equation: put a number on the line to the left side of each compound (or element). If it’s a “1”, you can leave it blank.
___Fe + ___H2O → ___Fe3O4 + ___H2

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the web.