Answer:
NaNO2 is the formula for sodium nitrite
Explanation:
Check the selected ions chart to find out more in depth.
Answer:
B
Explanation:
The time it takes for half of the radioactive atoms to decay to a stable state.
Hope this helped!
Answer:
Explanation:
2NO3, Ca2+
Spectator ions exists in both sides of the equation. These ions are present in both sides thus cancel out (they do not contribute to reaction...i.e. they only watch or spectate ;) )
Answer:
the third option
Explanation:
The circuit is incomplete and broken, and the lights in the circuit do not shine.
An open circuit means an incomplete circuit.
The first option is wrong since the lights do not shine in an open circuit.
The second option is wrong since an open circuit is incomplete.
The fourth option is also wrong since an open circuit is broken or incomplete.
∴ The third option is correct.
Answer:
The volume of reactant measured at STP left over is 409.9 L
Explanation:
