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Calculate the osmotic pressure of a solution made by dissolving 20.0 g of sucrose (C12H22O11) in enough water to make 50.0 mL of solution. Express your answer in atm.
The molecular geometry of the ammonium ion, NH4+, is most similar to the molecular geometry of
if the transition state has a smaller volume than the reactants (deltaV double dagger
what is the molarity of a solution prepared by dissolving 2.06g of NaOH in a volume of 500.0ml?
During your research, did you come across the masses of the various subatomic particles we discuss in chemistry?
The following data were obtained for the decomposition of N2O5 in the presence of 1 atm. N2 at 298 K.time (hr.) P(N2O5) atm P(N2O5) P(N2O5) P(N2O5) (for P(N2)=5 P(N2O5) (atm))
Calculate the standard cell potential at 25 C for the reaction X(s)+2Y+(aq)?X2+(aq)+2Y(s) where ?H? = -651kJ and S = -371J/K.
The definition of PH is PH = -log[H+], where [H+] is the concentration of the hydrogen ion. If [H+] = 1.2 x 10 ^-5, determine the PH using correct number of significant figures.
Question- Predict the ground- state electron configuration of the following ions. Write answers in abbreviated form, that is, beginning with a noble gas in brackets.
gas expand isothermally and reversibly from 10 bar to 1 bar at t= 25 celcius. calculate q,w, delta u,h,s,a,g. please show how u got the equations
Problem- How many degrees of temperature rise will occur when a 25.0 g block of aluminum absorbs 6.75 kJ of heat. The specific heat of Al is 0.900 J/g*C
How will not knowing the difference between elements, compounds and mixtures have an affect on the concepts of organic chemistry? Why is it important to understand the concept behind elements, compounds and mixtures to succeed in organic chemistry?
the label of an antacid tablet bottle states that each tabletcontains 480 mg of caco3. a tablet weighs 1.40 g. what
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