Answer:
Por favor me ajudem !!
As chamas do oxiacetileno são usadas para soldas, atingindo temperaturas próximas a 2000oC. Estas temperaturas são devidas à combustão do acetileno com o oxigênio: (dados: C=12/H=1/O=16)
1 C2H2(g) + 5/2 O2(g) → 2 CO2(g) + 1 H2O(g)
Segundo a reação, indique a massa de CO2 produzida com 9g H2O
I think A looks about right tbh
The correct answer is "A and D". As regards A, the closing down of American factories in post-industrial age has diminished the number of factory workers living in the united states and thus have decreased the ability of workers to form unions that reach a critical mass. As regards B, the most important act is the Taft-Hartley Act (1947) which managed to restrict the activities and rights of union labours.
Answer:
Workers endured long hours without rest breaks, had little access to water or restrooms, had toxic pesticides sprayed on them, and endured hard labor for very little pay and no health benefits. These injustices communicated to the workers that they were subhuman and not deserving of even the most common dignities offered to others