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How do you tell if a solution is super saturated?
Well if you heat the saturated solution all the solids should dissolve and it should stay a colourless solution with no solids even if it does cool down to the original temperature. At this point it is supersaturated.
How do you measure molar heat capacity?
Specific heat is the heat capacity divided by the heat capacity of water, which makes it dimensionless. To obtain molar heat capacity from specific heat for a material of interest, simply multiply the specific heat by the heat capacity of water per gram [1 cal/(g*C)]and multiply by the molecular weight of the substance of interest. For example, to obtain the molar heat capacity of iron Specific heat of iron = 0.15 (note there are no units) Molar heat capacity of iron = 0.15*1 cal/(g*C)*55.85 g /gmole = 8.378 cal/(gmole*C)
What is the experimental molar heat of combustion?
The experimental molar heat of combustion is the heat released by the total combustion of a substance, determined in a calorimeter.
How does heat through solid?
The process of conduction is how heat moves through solids. With solids, the heat energy is passed on by the atoms.
Is a calorimeter a device that you can put into a solution and measure the heat that is released not absorbed?
Yes, a calorimeter is a device used to measure the heat involved in chemical reactions or physical changes. It can be used to measure both heat released and absorbed during a process.
When 1 gram of zinc chloride ZnCl2 is dissolved in water the heat evolved is 0.53kJ Calculate the molar heat of substance of solution of zinc chloride?
To calculate the molar heat of solution of zinc chloride, we use the heat evolved by dissolving 1 gram of ZnCl2 in water. First, we convert the mass of ZnCl2 to moles using its molar mass of 136.3 g/mol. Then, we divide the heat evolved by the number of moles dissolved to get the molar heat of solution. In this case, the molar heat of solution would be 3.89 kJ/mol.
What is the molar heat of solution for ammonium nitrate and calcium chloride?
81.1 kj/mol
What is molar heat?
Different substances have varied molar heat capacities. The molar heat capacity of a substance refers to the amount of heat energy needed to raise 1 mole of that substance by 1 degree Celsius.
The molar heats of sublimation and fusion of iodine are 62.3kjmol and 15.3kjmol respectively calculate the molar heat of vaporization of liquid iodide?
It is a known fact : Molar heat of sublimation = molar heat of fusion + molar heat of vaporization so, molar heat of vaporization = molar heat of sublimation - molar heat of fusion Mv = 62.3 kJ/mol - 15.3 kJ/mol Mv = 47 kJ/mol.
How do you tell if a solution is super saturated?
Well if you heat the saturated solution all the solids should dissolve and it should stay a colourless solution with no solids even if it does cool down to the original temperature. At this point it is supersaturated.
How do you measure molar heat capacity?
Specific heat is the heat capacity divided by the heat capacity of water, which makes it dimensionless. To obtain molar heat capacity from specific heat for a material of interest, simply multiply the specific heat by the heat capacity of water per gram [1 cal/(g*C)]and multiply by the molecular weight of the substance of interest. For example, to obtain the molar heat capacity of iron Specific heat of iron = 0.15 (note there are no units) Molar heat capacity of iron = 0.15*1 cal/(g*C)*55.85 g /gmole = 8.378 cal/(gmole*C)
When 100cm3 of 1.0molar of sodium hydroxide solution at 200c was added to 100cm3 of 1.0molar of HCL solution at 200c The temperature of HCL rose to 26.80c Calculate the standard heat of neutralizati?
When 100cm3 of 1.0 molar of sodium hydoxide solution at 200oc was added to 100cm3of1.0 molar of HCL solution at 200oc,then the temperature of HCL rose to 26.8oc.calculate the standard heat of neutralisation?(Given that the specific heat capacity of water is 4.2KJg-1k-1)
How do you calculate the molar enthalpy of combustion?
To calculate the molar enthalpy of combustion, you need to measure the heat released when one mole of a substance is completely burned in oxygen. This can be done using a calorimeter to measure the temperature change and applying the formula: H q/moles.
What is the experimental molar heat of combustion?
The experimental molar heat of combustion is the heat released by the total combustion of a substance, determined in a calorimeter.
What is the difference between heat of reaction and molar heat of reaction?
Heat of a reacion is the totall amount of heat a reaction produces. Molar heat of a reaction is the heat produced/mol if you have the molar hear of the reaction you can calculate the heat of the reaction based on the moles of reactants you have
How does heat through solid?
The process of conduction is how heat moves through solids. With solids, the heat energy is passed on by the atoms.
How can one determine the molar enthalpy of a reaction?
To determine the molar enthalpy of a reaction, one can measure the heat released or absorbed during the reaction using a calorimeter. By knowing the amount of reactants used and the temperature change, the molar enthalpy can be calculated using the formula q mCT, where q is the heat exchanged, m is the mass of the substance, C is the specific heat capacity, and T is the temperature change.
