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1.70 g of NH4NO3 is mixed with 79.0 g of H2O In a coffee-cup calorimeter, at an initial temperature =25.00 degree celsius. the final temperature of the calorimeter contents = 23.67°C After dissolution of the salt,. heat capacity of solution = 4.18 J/°C·g ( assuming no heat loss to the calorimeter) calculate the enthalpy change for the dissolution of NH4NO3 and expree your answer in units of kJ/mol.
Calculate the Root Mean Square Speed and its average kinetic energy per molecule of Nitrogen and water vapor
A scientists places 4.00 moles of Argon, Ar (g) and 2.00 moles of Helium, He (g) into a flask at the temperature of 298 Kelvin and measures the pressure to be 3.00 atm. calculate the pressure due to Helium gas?
Find molarity, molality, percentage composition, boiling and freezing point of a solution - What are the boiling and freezing points of the solution?
Evaluate the operating conditions of the chiller - what temperature must the chiller operate if the product streams are also at 1 atm total pressure?
What is the theoretical yield of SO 3 produced by the quantities described in Part A and How many Oxygen molecules are required to react with 7.82g of S?
Explain would the calculated molarity of NaOH be too high or too low If the KHP weighed in your experiment today was contaminated with some unknown inert substance.
Find the volume of oxygen - What volume of oxygen is needed to completely combust 2.07 L of methane gas
Correlation of structure with the melting point - What structural aspect of these 18-carbon fatty acids can be correlated with the melting point?
How many grams of water should be produced and What is the theoretical yield of nitrogen?
Identifying and balancing the different types of chemical reactions. Evaluate which processes represent chemical reactions.
A container (8.65-L ) holds two gases mixture at 31 °C. The partial pressures of gas X and gas Y, respectively, are 0.206 atm and 0.867 atm. If 0.200 mol a third gas is added with no change in temperature or volume determine the total pressure be..
In Horner-Wadsworth-Emmons reaction, a 1,2-disubstituted alkene was produced in which the olefinic protons exhibited at vicinal coupling of 9.0 Hz in the 1H NMR. What is the stoichiometry of the double bond.
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