Answer:
0°C and 1 atm
Explanation:
This are the conditions of temperature and pressure defined by IUPAC as standard.
But also, the definition used by the NIST considerates a temrperature of 20°C and a pressure of 1 atm
Answer:
2S02 + O2 ---> 2SO3
<u><em>Its</em><em> </em><em>balanced</em><em> </em><em>now</em><em> </em><em>as</em><em> </em><em>Reactants</em><em> </em><em>=</em><em> </em><em>Products</em><em>.</em><em> </em></u>
Answer:
The order of reactivity of metals is as follows, Potassium > Sodium > Lithium > Calcium > Magnesium > Aluminium > Zinc > Iron > Copper > Silver > Gold.
Explanation:
The reactivity of elements (metals) towards water decreases towards the right in a period. It also increases down the group. But zinc is more reactive towards water than iron. Hence the correct order is:
Iron<Zinc<Magnesium<Sodium
