Question

30. Which of the following is not true about the electromagnetic spectrum? a. ultraviolent light (UV) has a shorter wavelength than does visible light b. the energy of a wave is continuous c. the energy of a wave is proportional to the frequency d. The energy of a wave in inversely proportional to the wavelength True/false 31 The shape of a molecule influences the amount of radiation that can be absorbed 32_ __Carbon atom always forms four bonds 33___Water vapor is the most abundant greenhouse gas in our atmosphere 34 Photosynthesis dramatically reduces the concentration of carbon dioxide 35 Reforestation has had a significant impact on reducing carbon dioxide 36_microwave radiation (low frequency) will cause bonds to vibrate 37_ Combustion is the primary source for oxygen production 38 burning of an alcohol will produce water and carbon dioxide 39_an increase in greenhouse gases is directly related to the depletion of ozone 40 the molar mass of propane is 44 grams 41_ __The molar mass of glucose (C6Hi206) is 180 g/mol 42 Electricity is a form of electromagnetic energy 43_ Chemical energy is energy found in chemical bonds 44 The energy of a system is constant 454.184 calories equals 1 joule 46Work and Energy have the same units 47,-temperature determines the direction of heat flow 48 combustion reactions are endothermic reactions 49.In a chemical reaction, reactant(s) moles are equal to product(s) moles 50Four gallons is equal to approximately 14 liters

Answer 1

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