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In the following equilibrium, would you raise or lower the temperature to obtain these results? C2H2(g) + H2O(g) <---> CH3CHO(g) delta H degrees= -151 kJ a. An increase in the amount of CH3CHO b. A decrease in the amount of C2H2 c. An increase in the amount of H2O
You need to dissolve CaCl2 in water to make a mixture that is 38.0% calcium chloride by mass. If the total mass of the mixture is 681.2 g, what masses of CaCl2 and water should be used
The base peak in the mass spec of phenylacetic acid indicated that the compound lost a fragemnt that has an m/z= 17. This fragmentation corresponds to the loss of a(n)
Constant pressure molar heat capacity of a compound is found to vary with temp, according to molar cp= 15.25 +.138* T--2.21*10^4/T^2 Calculate the enthalpy change when 1 mole of this compound
What is the wavelength of an electron traveling with a velocity of 7.0 times 10 to the 3rd power?
Problem- A researcher claims that an ancient scroll originated from Greek scholars in about 500 b.c. A measure of its carbon-14 decay rate gives a value that is 92 % of that found in living organisms.
Question- Calculate the vibrational contribution to the heat capacity and the total heat capacity for the following molecules (harmonic vibrational frequencies given)
Iron (III) oxide is formed when iron combines with oxygen in the air. How many grams of Fe2O3 are formed when 16.7g of Fe reacts completely with oxygen
Question- What would happen if you reacted a Grignard reagent with an amide? I know that NR is a poorer LG than OR so would the amine be left behind in the reaction
calculate the [OH^-] of each aqueous solution with the following [H3O^+] at 25 degrees C: a)baking soda, 1.0x10^-8 M b)orange juice, 2.0x10^-4 M c)milk, 5.0x1-^-7 M d)bleach, 4.8x10^-12 M
Compute the stoichiometric air/fuel ratio for burning compressed natural gas (CNG) if we presume that CNG is CH4.
calculate the partial pressures of the three gases remaining at the completion of the reaction if the total pressure
Products of combustion are then exhausted to the atmosphere. Calculate partial pressures of gases in the exhaust of the tool if 0.1 g of butanol is ignited in a chamber with the initial volume of 1.4 l at 1 atm. Exhaust temperature is 55 oC. Air c..
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