When sodium chloride dissolves in water, the ions dissociate:
NaCl (s) à Na+ (aq) + Cl- (aq)
Write ionic equations, similar to the one above, that describe how NaNO3 and NaCH3COO each dissociate as they dissolve in water. Include heat as a reactant or product in each equation
You may want to visit PureAssignment com to get the best solutions for your assignment.
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) à Na+ (aq) + Cl-...
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) --> Na+ (aq) + Cl- (aq) Write ionic equations, similar to the one above, that describe how NaNO3 and NaCH3COO each dissociate as they dissolve in water. Include heat as a reactant or product in each equation.
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) Na+ (aq) + Cl- (aq) What is the sign of the change in Gibbs free energy (DG) for each process in the forward direction?
When sodium chloride dissolves in water, the ions dissociate: NaCl (s) --> Na+ (aq) + Cl- (aq) Consider the equation, DG = DH - TDS. For each dissolving process, substitute the signs of DG and DH into the equation and predict the possible sign(s) for the entropy (DS). Explain why you chose this sign(s). Does the sign for entropy change seem to make sense? Explain.
10. When sodium chloride
dissolves in water, the ions dissociate: NaCl (s) = Na+
(aq) + Cl- (aq)
Write ionic equations, similar to the one above, that describe
how NaNO3 and NaCH3CO2 each
dissociate as they dissolve in water. Include heat as a reactant or
product in each equation.
Here is what I answered:
NaNO3 (s) = Na+ +
NO3- + heat
NaC2H3O2 + Heat =
Na+ +
C2H3O2-(ag)
Lab data table attached to determine where to place heat.
AGO no...
I need help with 11 and 12 please.
Data Table Mixture NaCl (s) + H2O (1) T (initial) T, (final) AT (T-T) -.20 25.00 24.80 NaNO, (s) + H2O (1) 24.99 24.11 -.88 NaCH,COO + H2O (1) 24.99 25.91 .82 Use your experimental data to answer the following questions: 7. Calculate AT (AT = T2-T) for each mixture and record the results in the data table. 8. An exothermic process releases heat (warms up), and an endothermic process absorbs heat...
Sodium (Na) atoms are larger than chlorine (Cl) atoms, but in NaCl sodium ions (Na+) are much smaller than chloride (Cl-) ions. Discuss why there is a change in size of each element (i.e., why is Na --> Na+ a decrease in size and Cl --> Cl- is an increase in size).
1- For the following reaction, Na+(aq) + OH-(aq) + H+(aq) + Cl- (aq) à Na+(aq) + Cl- (aq) + H2O (l) Na+(aq) + Cl- (aq), ions not involved in the reaction, are called _________________ions. 2- For the following reaction, Na+(aq) + OH-(aq) + H+(aq) + Cl- (aq) à Na+(aq) + Cl- (aq) + H2O (l) What type of reaction is taking place? ____________________ 3- What is the mass in grams of 1.73 mol of MgBr2? __________ 4- What is the percentage composition...
Why does salt dissolve in water? A. The positive charges of sodium (Na) and the negative charges of chloride (Cl) interact with water molecules B. The NaCl molecules form covalent bonds with the surrounding water molecules C. The water molecules are attracted to the nonpolar bonds of the sodium and chloride ions D. The ionic bond between the sodium ion and chloride ion is strong E. None of the above
a When in solution NaCl will dissociate into Na+ and Cl- ions? What concentration would you need to add a NaCl solution at to observe the same rates of plasmolysis as with a 0.8M sucrose solution? b If you placed your onion cells in a slightly acidic environment would you expect there to be any change in the pH of the cytosol due to the open water channels? Why? c Why are changes in turgor pressure important with respect to...
NaCl (aq) + AgNO3(aq) → NaNO3(aq) + AgCl(s) Note: All of the aqueous species in the above reaction exists as ions in solution: NaCl(aq) exists as Na+ and Cl- AgNO3 exists as Ag+ and NO3- NaNO3 exists as Na+ and NO3- AgCl(s) is a white solid 1) A solution contains 2.00 grams of Sodium Chloride. How many grams of AgNO3 must be added to the solution to completely react with Sodium Chloride according to the reaction above? List equipment and materials...