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How many kilo-joules are associated with the formation of 2 moles of HBr(g)?
The standard enthalpy of formation of HBr(g) is -36.2 kJ/mol. For 2 moles of HBr(g), the total energy associated with its formation would be 2 * -36.2 kJ/mol = -72.4 kJ.
How many moles of water are associated with each mole of methane hydrate if a sample has 160cm3 methane and 1000g of water ar room temperature and pressure?
For each mole of methane hydrate, there are 5.75 moles of water associated with it. In this case, since you have 160 cm³ of methane and 1000g of water, we first convert 160 cm³ of methane to moles, which is 5.62 moles. Then we calculate the moles of water based on the ratio 1:5.75 for methane to water in methane hydrate, which gives us approximately 32.3 moles of water associated with the 5.62 moles of methane.
How many kilojoules of heat are absorbed when 0.38 g of chloroethane (C2H5Cl bp 12.3 and degC) vaporizes at its normal boiling point (The molar heat of vaporization of chloroethane is 26.4 kJmol.)?
First, calculate the number of moles of C2H5Cl in 0.38 g. Then, use the molar heat of vaporization to find the heat absorbed for this number of moles. Finally, convert the heat from per mole to kilojoules. The heat absorbed when 0.38 g of chloroethane vaporizes at its boiling point will be 3.58 kJ.
How many kilojoules are released when 40.0 methanol is burneD?
The standard enthalpy of combustion for methanol is about -726 kJ/mol. To calculate the energy released when 40.0 g of methanol is burned, first convert the mass to moles using the molar mass of methanol (32.04 g/mol). Then, multiply the moles by the enthalpy of combustion to find the total energy released.
How many moles in 0.75 moles of ammonia?
this is a easy one. There are only 0.04166 moles.
How many kilo-joules are associated with the formation of 2 moles of HBr(g)?
The standard enthalpy of formation of HBr(g) is -36.2 kJ/mol. For 2 moles of HBr(g), the total energy associated with its formation would be 2 * -36.2 kJ/mol = -72.4 kJ.
How many kilojoules are in 3707 kilojoules?
3.707
How many kilojoules in 170 calories?
170 calories = 0.71128 kilojoules
How many kilojoules a teenager supposed to consume per day and why?
i think about 5000 kilojoules
How many kilojoules in a packet of tiny teddys?
There are 120 calories in a packet of Tiny Teddy's. To determine how many kilojoules that is you need to multiply the number of calories by 4.184. In this case, the answer is 502 kilojoules.
How many kilojoules are used during 8 hours of sleep?
How many kilojoules are used during 8 hours of sleep?
How many kilojoules in spaghetti?
100 g of dried spaghetti has about 384 kcal which is 1456 kilojoules.
1 gram of protein how many kilojoules?
1 gram of protein is equal to 17 kilojoules
How many kilojoules in porridge?
430
How many kilojoules in cheddar?
69
How many syllables are in kilojoules?
3
How many kilojoules in a watt?
3.6
