Classify the chemical equations as being balanced or not balanced. 2CO + 2NO → 2CO2 + N2

6CO2 + 6H2O → C6H12O6 + O2
H2CO3 → H2O + CO2
2Cu + O2 → CuO

Which statement would indicate the presence of an acid

When using the ideal gas law constant 0.0821, what unit is used for volume? a) galloonb) ouncec) milliliterd) liter

The electron configuration for chromium is 1s22s22p63s23p63d54s1 instead of 1s22s22p63s23p63d44s1. the configuration is an exception to the pauli exclusion principle heisenberg uncertainty principle aufbau principle schrödinger equation