Por favor me ajudem eu tenho compromisso amanhã e não vai dar tempo e balanceamento de equações estequiometricas (imagem)

The compound methyl butanoate smells like apples. its percent composition is 58.8% c, 9.9% h, and 31.4% o. what’s the empirical formula ?

What approach is required to balance the objectives of sustainable development? balancing the objectives of sustainable development requires a(n) .

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.