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Considering the reaction 2H2(g) +2H2 O(g). Calculate the volume of unused oxygen gas when 40cm³ of hydrogen gas is sparked with 30cm³ of oxygen gas
(b) calculate carbonate of mass 1.0g was heated until there was no further change.
(c). Write an equation for the reaction which took place
(d) calculate the mass of the residue
(e). Calculate the volume of the gas evolved at STP.
(f). What will be the volume of the gas measured at 15°c and 760mm Hg?(C=12.0, O=16, Ca=40.0, Molar mass volume of a gas at STP= 022.4dm³)
What is the temperature (°C) for 1.26 mol of Cl2 gas at 0.667 bar if the volume is 45.0 L? a. 3.50 × 10-3 °C
b. 13.2 °C
c. 25.0 °C
d. 286 °C
e. 2.17 × 105 °C
Two applications of the physical chemistry principals to solve problems in food science
List two applications of a physical chemistry principal to food science
How many moles of ammonium ions are in 0.723 g of ammonium carbonate?
If a bomb calorimeter is loaded with 0.0125 moles of napthalene and the ΔT during the combustion process is 4.25 K, what is the ΔHcomb (in kJ/mol) assuming the calorimeter constant (Csystem) is 10.310 kJ/K?
How many moles of a KOH solution are there in 375mL of 2.45M KOH, and how many grams of KOH do you have
What is the initial volume of a 12.1mol/L hcl solution needed in order 500.0ml of a 2.5 mol/l solution of hcl
68.1 g of a titanium complex P were dissolved in water and its ligand field splitting energy was measured as 59.05 KJ. Calculate the molar mass of P if the complex absorbs a wavelength of 733nm
1.How is Gibbs free energy change determined when ΔH and ΔS are available?
2. How is free energy change in non-standard states (ΔG) related to the standard free energy change (ΔG°)?
