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Suppose that a particular reaction evolves heat of 228 kJ and that 40 kJ of (PV) work is gained by the system. Determine the values of Delta E and Delta H for the system?
Half life of Rn(a radioactive, colorless, odorless, tasteless noble gas) is 3.824 days. Determine after how many days will one-sixteenth of a given amount of radon-222 remain?
This assignment inhibits chemistry Laboratory Questions.
Calculate what quantity of potassium chlorate that has molecular weight of 122.5 needed to form 33.6 litres of oxygen? Express your answer in grams and assume that temperature and pressue will be in normal condition?
What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?
Compute the a)molarity of the solution, b)molality of the solution, c) mole fraction of Ammonia.
Write a balanced chemical equation for this reaction when Ferrophosphorus reacts with pyrite making iron (ll) sulfide and a compound that is
Find the contact time for inactivating Gardia cysts - How much contact time would be required for inactivating Gardia cysts
Compute the work of expansion(in Joules) accompanying the complete combustion of 1.0 grams of sucrose C 12 H 22 O 11 to CO 2 and (a) liquid water, (b) water vapour at 20 degrees Celsius when the external pressure = 1.0 atm
Using the information below, calculate the mass of benzene in each phase and find the total mass of benzene at the site.
Find out What mass of the NaHCO3 reacts with the vitamin C When the tablet dissolves in H2O, it "fizzes" because the reason for this is the CHO3 reacts with the citric acid(C6H8O7 a weak organic acid) and the vitamin C?
Compute the vapor pressure at 25 °C if it is given that the density of H 2 O=0.9971 g/mL , vapor pressure of H 2 O=23.76 torr, molar mass of sucrose, = 342.3 g/mol,
Chemistry of Proteins and Hemoglobin - What is the effect of the following changes on the O 2 affinity of hemoglobin?
To calculate the number of molecules of a gas using ideal gas law and Avogadro's number - How many ozone molecules are present in 1.0 L of air under these conditions?
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