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Question: Galactose and glucose compose lactose, which is referred to as milk sugar. What is the molecular formula of galactose if the empirical formula is CH2O, and the approximate molar mass is 180 g/mole
a. C12H22O11
b. C6H12O6
c. CH2O
d. CH2O6
e. CHO
The equilibrium pressure of H2 over solid uranium and uranium hydride, UH3, at 500 K is 139 Pa. Calculate the standard Gibbs energy of formation of UH3(s) at 500 K.
If a total of 13.5 mol of NaHCO and 4.5 mol of C H O react, how many moles of CO and Na C H O will be produced? 3NaHCO (aq) + C H O (aq) 3CO (g) + 3H O(s) +Na C H O (aq).
Arrange the molecules in order of decreasing boiling point Molecules are methane, dimethyl ether
calculate the equilibrium concentration of Ag+(aq) in a solution that is initially 0.200 M AgNO3 and 0.810 M NH3,
Now calculate the amount of moles of NaHSO4(s) to be dissolved in the system to lower the pH to 2.40. Include the rxn equations that take place.
Without a catalyst, a different reaction predominates: 4NH3(g) + 3O2(g) ? 2N2(g) + 6H2O(g) When 0.0230 mol gaseous NH3 and 0.0250 mol gaseous O2 are placed in a 1.00 L container at a certain temperature, the N2 concentration at equilibrium is 2.20..
when the following five solutions are mixed together, only one reaction occurs. write the net ionic equation for that precipitation reaction. KCl(aq),Cu(NO3)(aq),AgNO3(aq),CaCl2(aq),and Ba(No3)2(aq)
Consider a case where methyl tertiary butyl ether (MBTE) is to be added to the conventional gasoline. What percentage of MBTE would be required to achieve the 2.7
A solution of water and a nonvolatile, nonionizing compound is placed in a tube with a semipermeable membrane on one side. the tube is placed in a beaker of pure water. What initial net effect will occur?
the vapor pressure of ch3 coch3 propanone or acetone is 67 torr at 0 ? c and 222 torr at 25 ?c. what is the standard
You place 25 moles of a monomer in a flask. It equilibrates to form a dimer by the following reaction. The molar equilibrium constant is found to be 3.5. monomer ( ) dimer or restated 2A ( )A2, What are the concentrations of the monomer and dimer i..
If a temperature increase from 11.0degree C to 20.0degrees C doubles the rate constant for a reaction, what is the value of the activation barrier for the reaction
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