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Use the following balanced equation for the problem below: 2HCl + Na2CO3 = 2NaCl + CO2 + H2O If 35.0 gm of Na2CO3 is reacted with 18.0 gm of HCl, how many grams of CO2 are produced?
Does a mutation causing a substitution of one base pair in a strand of DNA necessarily result in a new amino acid in the protein coded for that gene? Explain.
smaller dipole moment than formaldehyde, H2C=O, even though it contains electronegative chorine atoms in place of hydrogen. Explain
During a recrystallization a student takes 1g of a white (colorless) solid and adds 5 mL of acetone. He heats the mixture in a boiling water bath and adds another
Suppose that S is regarded as a function of P and T. Show that TdS = CpdT- aTVdP where a is the thermal expansion coefficient. (a=alpha)
Draw the mechanism of acetone reacting with 2 equivalents of benzaldehyde. Use the arrow drawing convention to show all bond making
The activity coefficients of the Mg2+ and Cl- ions in this solution. The mean ionic activity coefficients of these ions.
Calculate the density in kg/m3 using (a) the ideal gas equation of state and (b) the compressibility factor equation of state in conjunction with the law of corresponding states.
Provide a structure for the following compound: EI mass spectrum: two molecular ions of about equal intensity at m/z = 180 and 182; IR: 1740 cm-1; 1H NMR
Use the particle-in-a-one-dimensional-box model to calculate the longest-wavelength peak in the electronic absorption spectrum
At 25 degrees C, what are the molar H3O+ and OH- concentrations in (e) 0.200 M NaOCl? (f) 0.0860 M CH3CH2COONa
Calculate Qsp for calcium fluoride (Ksp=3.9x10^-11) when 195.0 mL of a 0.00780 M solution of Ca(NO3)2 is added to 175.0 mL of a 0.00740 M solution of KF
What minimum amount of AX(s) lattice energy might lead to compound formation if you predict that the following hypothetical ionic compound AX is unlikely to form. In this compound, A forms the A+ cation, and X forms the X anion.
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