When 3 moles of nitrogen monoxide are formed, how many moles of oxygen reacted? 4 NH3(g) + 5O2 (g) 4 NO (g) + 6 H2O (1)
->

3.75

Explanation:

it's gonna be a decimal number,cus from the formula 5moles produce 4moles of NO

so if 3 moles we're to be produced,it will be 3x5 divide by 4

put it in a beaker then tne beaker in a boiling water bath and when it temperature has reached 100°c condense that gas ... if there is no gas evaporating by 100° then there is no water

Explanation:

water evaporates at 100°c