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Phosphorus trichloride reacts with water according to thefollowing equation.PCl3(l)+ 3H2O --> H3PO3(aq) + 3HCl(aq)
A 2.10-g sample of PCl3(l) reacted with excess H2O(l) in acalorimeter. The temerature rose from 20.55oC to30.30oC. The heat capcity of the calorimeter andcontents is 427 J/oC. What is the enthalpy change forthe given reaction?
Determine the energy of 1.60 mol of photons for each of the following kinds of light. Infrared radiation (1510 nm)
The mass spectrum of 1-ethyl-1-methylcyclohexane shows many fragments, with two in very large abundance. One appears at m/z = 111 and the other appears at m/z = 97.
A new temperature scale was invented by a scientist named Pat and is called the Patrius scale. On her scale, water froze at 35°P and boiled at 280°P. What Celsius temperature is equal to 150° P?
calculate (a)molality? (b)molarity of NaCl? (c) What is the mass/mass and remove the most loosely held e- from a gaseous atom in a ground state
Estimate Delta G or this reaction at each of the following temperatures. (Assume that Delta H and Delta S do not change too much within the given temperature range.)
Calculate the concentrations of all species in a 1.66 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
The human body obtains 955 of energy from a candy bar. If this energy were used to vaporize water at 100.0 , how much water (in liters) could be vaporized? (Assume the density of water is 1.00.)
Rate constant at a temperature of 37.8 Celsius is precisely three times that at 25 Celsius. Determine the activation energy in kJ/mol
question explain how the vapor pressure of a compound is related to the liquid-vapor equilibrium and its equilibrium
The reaction of bromine with acetone follows first order kinetics, i.e where k is the rate constant, c is the concentration at time t and c0 is the initial concentration.
A 40.2 g sample of protein dissolved in a water to prepare a 250 ml solution shows an osomotic pressure of 2.42 torr at 27 ºC. Estimate the molar mass of the protein.
Starting with Benzyl alcohol (PhCH2OH) and any other organic or inorganic reagents outline a series of reactions leading to ethyl phenylacetate
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