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A 115.0mL sample of a solution that is 3.0×103M in Ag(NO)3 is mixed with a 225.0mL sample of a solution that is 0.14M in NaCN . Explain what concentration of Ag+ remains?
A certain laser uses a gas mixture made up of 9.00 g HCL, 2.00g H2, and 165.0g Ne. What pressure is exerted by the mixture in a 75.0 L tank at 22 degree C?
the water temperature rose from 20.27oC to 26.87oC. If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter was 1.75 kJ/oC, calculate the molar heat of combustion of CH3OH. The specific hea..
Justify your classification of the chemical equation for celluar repiration. So how how would you classify this. Electrochemistry has a wide range of applications. Research and describe one job, outside the field of chemistry, that uses electrochemic..
Their boiling points in C are: Ne -245, Ar -186, Kr -152, Xe -107. Using the periodic relationship between the noble gases, predict the boiling point of Radon.
how many electrons must be gain or lost by each element to achieve a noble gas configuration of electrons. answer
Devise a synthesis of hexanedial OHC(CH2)4CHO from phenol and any needed organic or inorganic reagents.
A gas mixture with a total pressure of 750 mmHg contains each of the following gases at the indicated partial pressures: CO2 , 124 mmHg ; Ar , 218 mmHg ; and O2, 197 mmHg . The mixture also contains helium gas. What is the partial pressure of the ..
The activation energy for the following first-order reaction is 318 kJ/mol. N2O5(g)-->2NO2(g)+(1/2) O2(g). The value of the rate constant (k) is 6.65x10^-5 s^-1 at 84 degrees C. What is the value of k at 49 degrees C. (R=8.314 J/mol K)?
A certain reaction has a ?H of -213 KJ/mol and a ?S of -27.0 J/mol.K at 625°C. Determine the free energy change in the reaction and whether the reaction is spontaneous under these conditions.
Consider the titration of 44.2mL of 0.240M HF with 0.180 M NaOH . Calculate the at each of the following points. A) How many milliliters of base are required to reach the equivalence point
calculate the number or calories of heat energy required for warming 34.6g of water from 18.9 celsius to 29.9
What mass of HClO4 should be present in 0.600 L of solution to obtain a solution with a pH of 2.50?
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