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
The Appalachian Mountains served as the line beyond which
settlement was forbidden. West of the line was to be considered an
Indian reserve. The proclamation proved largely ineffective and
only angered settlers and political investors in the land. I hope that you get an A.:)
Answer:
The Constitution reflects seven basic principles. They are popular sovereignty, limited government, separation of powers, checks and balances, federalism, republicanism, and individual rights.
Explanation: