Answer:
1. B
Step-by-step explanation:
2/5 cup of sugar
you divide 5 by 5 to get 1 cup of flour, and you divide 2 by 5 to get 2/5 cup of sugar
Answer:
d. steam-water equilibrium at 373 K
Step-by-step explanation:
At one atmospheric pressure , the boiling point of water is 100°C or 273+100 = 373 K in kelvin temperature scale.
so at this temperature vapor pressure of water and steam are in equilibrium .