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How much heat in joules is required to heat a 46 {rm g} sample of aluminum from 80 F to 146 F?
A gaseous reaction occurs at a constant pressure of 50.0 atm and releases 73.4 kj of heat. Before the reaction, the volume of the system was 7.40L .
What is the molar concentration of a solution prepared by dissolving 0.6593 g of NaCl in a 100-mL volumetric flask
An equilibrium mixture of this reaction(NH4HS(s)?NH3(g)+H2S(g)) at a certain temperature was found to have [H2S]= 0.350M and [NH3]= 0.276M .What is the value of the equilibrium constant (Kc) at this temperature.
Suppose the reaction Ca3(PO4)2 + 3H2SO4 ------ > 3CaSO4 + 2H3PO4 is carried out starting with 103 g of Ca3(PO4)2 and 33.7 g of H2SO4. How much phosphoric acid (H3PO4) will be produced?
What is the change in pH when 0.005 moles of HCl is added to 0.100 L of a buffer solution that is 0.100 M in CH3CO2H and 0.100 M NaCH3CO2? The Ka for acetic acid is 1.8 x 10 -5.
Chemistry - Other explained in this solution, If world energy consumption continues to rise at the present rate of 2.4%, how long will it take to double (expressed in years)?
Solar furnaces are designed to focus sunlight (say, with a parabolic mirror ) onto a relatively small area. given that the surface temperature of the sun is about 600K.
Explain how do you compute the minimum volume of H2O(water) required to dissolve NaCl( sodium chloride) of 500 grams in H2O( water) at the temperature of 100 degree celsisu?
Consider the following equation: CO + 2 H2 → CH3OH ?H rxn = -128 kJ Calculate the amount of heat (in kJ) associated with complete reaction of 8.08 g H2.
How many grams of diphenyl (C 12H10) must be dissolved in 655 g of benzene to lower the freezing point by 3 .20ºC.
Explain why cis dichloroethene has a boiling point of 60 degrees C while trans - dichloroethen has a boiling point of 48 degrees C.
The equilibrium concentration of I2 is 0.05M. What is the equilibrium constant Kc for the reaction at this temperture? Express answer in K
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