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What is the volume of a sample of ethane at 467k and 1.1atm ,if it occupies 405ml at 298k and 1.1atm
The volume of a given mass ofgas is 300cm cube of 27degree celcius and 700mmHg. What will be it volume of 36degree celcius and 750mmHg
Get a glass of water and another glass with oil. Fill in equal amounts of water and oil.
e. Using 2 marbles, drop each marble on both liquids.
A gas in a can is initially at 24°c at 360kpa and has a volume of 350mm.If the can is left in a car that reaches 50°c on a hot day,What is the new pressure in the can
What is the volume of a sample of ethane at 467k and 1.1atm ,if it occupies 405ml at 298k and 1.1atm
1. How much energy is required to change 2600 gram of water at 100˚C into steam at the same temperature?
2.Calculate the amount of energy (in kJ) needed to heat 346 gram of liquid water from 0 OC to 182 OC. Assume that the
specific heat of water is 4.184 J/g OC over the entire liquid range and the specific heat of steam is 1.99 J/g OC.
3.Calculate the heat released when 68.0 gram of steam at 124 OC is converted to water at 45 OC
How much energy is required to change 2600 gram of ice at 0˚C into water at the same temperature?
Calculate the molality of each of the following solutions
a) 14.3 g of sucrose in 676 g of water
b) 7.20 moles of ethylene glycol (C2H6O2) in 354 g of water
Calculate the percent by mass of the solution in each of the following aqueous solutions.
a) 5.50 g of NaBr in 78.2 g of solution
b) 31.0 g of KCl in 152g of water
c) 4.5g of toluene in 29g of benzene
- Calculate the molality of a sulfuric acid solution containing 23.2g of sulfuric acid in 192g of water. The molar mass of sulfuric acid is 98.08 g.
- What is the molality of a solution containing 8.82 g of Urea (NH2)2CO in 216g of water.
- A sample of 5.42 g of naphthalene is dissolved in 79.8g of benzene (C6H6). Calculate the percent by mass of naphthalene in the solution.
- Calculate the molality of a 34.6 percent (by mass) aqueous solution of sodium chloride.
#332078 on Oct 2022