I need some help with this chemistry, will give brainlest for the most helpful answer, thanks

question number 13 is single displacement reaction.. and question number 7 is heat is applied in reaction .I just know the answer of13,7. th question.

hope it helps you

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.