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pentagon [3]
3 years ago
9

2. A car travels at 65 miles/hr for 4.5 hours from Houston to Dallas. What is the

Chemistry
1 answer:
JulsSmile [24]3 years ago
4 0
292.5 miles because 65x4.5=292.5
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If you are given a 1.0 L (1000mL) of an unknown liquid which has the mass of 500 grams it is most likely which of the above subs
pantera1 [17]
Given in the problem is the mass of the liquid (500 grams) and the volume of the liquid (1000 ml = 1000 cm^3).

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6 0
3 years ago
The heat of vaporization of water at 100°c is 40.66 kj/mol. Calculate the quantity of heat that is absorbed/released when 9.00 g
timofeeve [1]

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20.3 kJ of heat is absorbed when 9.00 g of steam condenses to liquid water.

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Heat is being consumed during vaporization and heat is being released during condensation.

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Molar mass of water = 18.02 g/mol

Hence, to vaporize 18.02 g of water , 40.66 kJ of heat is being consumed.

So, to vaporize 9.00 g of water, (\frac{40.66}{18.02}\times 9.00)kJ of heat or 20.3 kJ of heat is being consumed

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