6x+4y=13
-(3x+4y=8.5)
-------------------
3x=4.5 =x=4.5/3=1.5
It will be 1.5
Answer:
sea trade
Explanation:
The control of sea trade, the chief source of Portuguese wealth in the East, was assured by the defeat of Muslim naval forces off Diu in 1509.
Portugal's main natural resources include fish, forests (cork), iron ore, copper, zinc, tin, tungsten, silver, gold, uranium, marble, clay, gypsum, salt, arable land and hydropower.
Answer: in mixture water molecules comes closer to ethanol molecules because of hydrogen Bonds. Then smaller water molecules occupy less volume than in pure water.
Explanation: water molecules are smaller than ethanol molecules.
Both form Hydrogen bonds in pure form and in water-ethanol mixture.
Water molecules fill better space between ethanol molecules.
I think volume of the mixturecoild be 59.6 -59.8 cubic cm
