I need someone to help me check my answers. If you don’t know the answers please don’t checks them. Lol
1. The cotton or wool fibers in a coat keeps the air between the layers from moving around easily. This insulation is designed to reduce which of the following forms of heat?
A. Conduction
B. Convention*
C. Radiation
D. Touching
2. Which of the following is the best example of an Exothermic reaction that releases energy as radiation?
A. Chemical handwarmers
B. Fireworks
C.Water warmed in microwave*
D. A soda cold in a refrigerator
3. Which of the following has the strongest bonds?
A.SnO (s) -286.2
B. ZnO (s) -348.0
C. NaCl (s) -411.0
D. NaF (s) -569.0*
4. In this reaction 2HgO —> 2Hg+O2 is endothermic, which bonds are the strongest?
A. The bonds between Hg atoms in the soils metal
B. The bonds between Hg&O*
C. The bond between O&O
2 answers