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Question- When crystalline solid barium hydroxide octahydrate and crystalline solid ammonium nitrate are mixed in a beaker at room temperature, a spontaneous reaction occurs. The temperature of the beaker contents rapidly falls below zero degrees Celsius. Use this information to decide whether the reaction is exothermic or endothermic and what the signs of delta H and delta S are.
the Pyranose form of Fructose is much sweeter than the Furanose form, Sweetness in honey decreases as temperature rises
The tunnel is supplied with 1500 kg dry air/h at 50°C and 10% RH, and the air leaves at 25°C in equilibrium with the product at 50% RH. Determine the moisture content of product leaving the dryer and the final water activity.
What is the PH of .0750L of hypochlorous acid/hypochlorite buffer solution, originally .300M in HCLO and .400M in CLO-. after 7.5E-3 moles of NAOH have been added to the buffer
Define what is the constant if the frequency is 4.46 x 10 to the 14th power Hz and the wavelength is 670 nm
three compounds were found to have the same empirical formula that is the same number of carbons hydrogens oxygens
What quantity of heat would be evolved if 75.00g of mercury (Hg=200.59), (O=16.00) was burned in oxygen?
write the structural formula and the name of the organic product that would result from the hydrogenation addition of
derieve an expression for the compression factor z of a gas that obeys the equation of state pv-nbnrt where b and r are
What is the enthalpy of formation of CO(g) in kJ. 2CO(g) + O2(g) --> 2CO2(g). H reaction = -566 kJ ; ?H CO2(g) =-393.5 kJ/mol.
If 85.6 ml of a 6.75 M solution are diluted to 6.20 L with water, what is the concentration of the final solution
calculate the mass of ethylene glycol c2h6o2 that must be added to 1.00 kg of ethanol c2h5oh to reduce its vapor
In the citric acid cycle, how many net atp are generated between alpha-ketogluturate and malate
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