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1.30 grams of ammonium nitrate is combined with 74.0 grams of H2O In a coffee-cup calorimeter, at an initial temperature of 25 degree celsius. The final temperature of the calorimeter contents =23.53°C After dissolution of the salt,. Assuming the solution has a heat capacity = 4.18 J/°C · g (assuming no heat loss to the calorimeter,) compute the enthalpy change for the dissolution of ammonium nitrate express your answers in units of kJ/mol.
Compute the number of mL of 2.00M H2SO4 required neutralizing 125.5mL of 1.2M KOH
Given chemical reaction is used to produce electricity in lead storage battery that used in automobiles generally.
If the formula for magnesium fluoride is MgF 2 and the formula for potassium chlorate is KClO 3 , then what is the formula for magnesium chlorate?
Determine what volume of N 2 is released at 0.915atm of pressure and at the temperature of 25 degree celcius from a tank full of liquid N 2 ? (d=0.808g/mL)
Find the partial pressure and concentration of Nitrogen, Oxygen, and Carbon dioxide.
Identify the unknown gas - Find the molecular formula of the compound
Determine the volume of 0.M baryta (Barium hydroxide is the chemical compound with the formula Ba(OH) 2 ) that is needed to neutralize 35 ml of 0.2M phosphoric acid (H 3 PO 4 ), ?
Determine how many moles of CO 2 would have to be combined at constant temperature and volume to increase the amount of CO to 0.300 moles?
The mass of an Argon atom is more than that of a Helium atom. Does that mean that because of Argon has larger mass, it exerts a higher pressure on the walls of container than Helium at the same volume, molar density and temperature? Give explanati..
What is the total electronic energy
determine the actual yield If the percent yield of the reaction in B was 91% describes the oxidation of ethanol (C 2 H 5 OH) to acetic acid (CH 3 COOH) by potassium permanganate (KMn04
Multiple choice questions in Radioactive Decay - electron emitted from the nucleus during some kinds of radioactive decay is known
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