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A total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 187 g of solution. The reaction caused the temperature of the solution to rise from 21.0 to 24.7 ^\circ \rm C. What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself and that the specific heat of the solution is the same as that of pure water.

A total of 2.00 mol of a compound is allowed to react with water in a foam coffee cup and the reaction produces 187 g of solution....
In three moles of ethane (C2H6), calculate the following : (i) Number of moles of carbon atoms. (ii) Number of moles of hydrogen atoms. (iii) Number of molecules of ethane.

Q-10 In three moles of ethane (C2H6), calculate the following : (i) Number of moles of carbon atoms. (ii) Number of moles of hydrogen atom...
Calculate the amount of carbon dioxide that could be produced when (i) 1 mole of carbon is burnt in air. (ii) 1 mole of carbon is burnt in 16 g of dioxygen. (iii) 2 moles of carbon are burnt in 16 g of dioxygen.

Calculate the amount of carbon dioxide that could be produced when (i) 1 mole of carbon is burnt in air. (ii) 1 mole of carbon is burnt in ...
aniline to benzene , aniline to bromo benzene ,aniline to chloro benzene ,aniline to benzonitrile or cynobenzene ,aniline to Iodo benzene ,aniline to p-hydroxybenzene ,aniline to phenol conversion

aniline to benzene aniline to bromo benzene aniline to chloro benzene aniline to benzonitrile or cynobenzene anili...
Determine the molecular formula of an oxide of iron in which the mass per cent of iron and oxygen are 69.9 and 30.1 respectively.

Q-8 Determine the molecular formula of an oxide of iron in which the mass per cent of iron and oxygen are 69.9 and 30.1 respectively.? U...
Determine the empirical formula of an oxide of iron which has 69.9% iron and 30.1% dioxygen by mass.

Untitled Document Determine the empirical formula of an oxide of iron which has 69.9% iron and 30.1% dioxygen by mass. E...
How much copper can be obtained from 100 g of copper sulphate (CuSO4) ?

Q-7 How much copper can be obtained from 100 g of copper sulphate (CuSO4) ? Answer :- 1 mole of CuSO4 contains 1 mole of copper. Molar ...
combustion of ammonia is represented by the equation.4NH3 (g) +7O2(g)-->4NO2(g) +6H2O(g ) delta H will negative
The mass ratio of sodium to fluorine in sodium fluoride is 1.21:1. A sample of sodium fluoride produced 29.2 g of sodium upon decomposition.
benzene to m- nitroacetophenone conversion,benzene to benzoic acid ,benzenesulphonic acid to aniline C6H5SO3H to C6H5NH2,phenol to acetophenone C6H5OH to C6H5COCH3

benzene to m- nitroacetophenone conversion benzene to benzoic acid benzenesulphonic acid to aniline C6H5SO3H...

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Tuesday, March 27, 2012

KCL( molten) (K lies above Zn)I need to know what is the anode and cathode is

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