Related FAQs

• The enthalpy of combustion of benzoic acid is -3226.7 kjmol When 3.2 g benzoic acid, CH3COOH is completely combusted in a bomb calorimeter containing 2.0 kg of water, the temperature of the water increased by 3.8°c. Calculate the heat capacity of the calorimeter
• The end of the end of a titration curve is flat, why? what reaction occurs
• The exact volumes of 1 m NaOH solution required to neutralize 50 ml of 1 m H3PO3 solution and 100 ml of 2 m H3PO2 solution, respectively, are:rn(a)rn50 ml and 50 mlrn(c)rn100 ml and 200 mlrn[2 M]rn(B)rn100 ml and 50 mlrn(d)rn100 ml and 100 ml
• The exact volumes of 1 m NaOH solution required to neutralize 50 ml of 1 m H3PO3 solution and 100 ml of 2 m H3PO2 solution, respectively, are:rn(a)rn50 ml and 50 mlrn(c)rn100 ml and 200 mlrn[2 M]rn(B)rn100 ml and 50 mlrn(d)rn100 ml and 100 ml
• The empirical evidence that could be used to determine when this system reaches equilibrium isrnrnquestion 23select one:rnrntotal massrnrncolourrnrndensityrnrntotal pressure
• The equilibrium constant for the following reaction is 1.29×10-2 at 600k.rnrncocl2(g) CO(g) + Cl2(g)rnrnIf an equilibrium mixture of the three gases in a 11.4 l container at 600k contains 0.499 mol of COCl2(g) and 0.266 mol of CO, the equilibrium concentration of Cl2 is rn m.
• The equilibrium constant, Kc, for the following reaction is 55.6 at 698 K:rnrnH2(g) + I2(g) 2hi(g)rnrncalculate the equilibrium concentrations of reactants and product when 0.396 moles of h2 and 0.396 moles of i2 are introduced into a 1.00 l vessel at 698 K.rnrn[H2] = rn Mrn[I2] = rn Mrn[HI] = rn m
• The escape of gas molecules through a tiny hole, such as a pinhole in a Ballon, into a vacuum is calledrnkinetic molecular theory rndiffusion rneffusion rnmean free path
• The equation for the reaction of magnesium with hydrochloric acid is Mg(s) + 2hcl(aq) MgCl2(aq) + H2(g) calculate the relative formula masses (m_{r}) of: Calculate the volume of hydrogen (at 1 atmosphere and 25 deg * c ) which could be obtained from 1 g of magnesium reacting with excess hydrochloric acid.
• The effective nuclear charge for a valence electron in Cobalt 2+