StudentShare
Contact Us
Sign In / Sign Up for FREE
Search
Go to advanced search...
Free

PhET Simulation - Sugar and Salt Solutions - Assignment Example

Cite this document
Summary
Part A
HCOOH, H+, HCOO-
Part B
HCOOH (aq) H+ (aq) + HCOO- (aq)
Net Ionic Equations
FeCl2 (aq) + 2NaOH (aq) -> Fe (OH) 2(s) + 2NaCl (aq)
Fe2+ + 2OH- -> Fe (OH) 2(s)
Part B
MgSO4 (aq) + Pb(NO3)2(aq) -> PbSO4(s) + Mg(NO3)2(aq)
Pb2+ + SO4^2- -> PbSO4(s)
Download full paper File format: .doc, available for editing
GRAB THE BEST PAPER97% of users find it useful
PhET Simulation - Sugar and Salt Solutions
Read Text Preview

Extract of sample "PhET Simulation - Sugar and Salt Solutions"

Chemistry Assignment Lecturer: Affiliation: Due PhET Simulation - Sugar and Salt Solutions Part A Partial charges 2. Solute 3. Ions 4. Positively, Negatively 5. CaCl2, NaCl 6. Sugar 7. Partial Charges Sample Exercise 4.1 Part A 2.0 Problem 4.19 Part A HCOOH, H+, HCOO- Part B HCOOH (aq) H+ (aq) + HCOO- (aq) Net Ionic Equations FeCl2 (aq) + 2NaOH (aq) --> Fe (OH) 2(s) + 2NaCl (aq) Fe2+ + 2OH- --> Fe (OH) 2(s) Part B MgSO4 (aq) + Pb(NO3)2(aq) --> PbSO4(s) + Mg(NO3)2(aq) Pb2+ + SO4^2- --> PbSO4(s) Sample Exercise 4.

3 Part A Yes Sample Exercise 4.4 Part A Only barium nitrate precipitates. Problem 4.36 Part A KOH, NH3, HNO3, KClO2, H3PO3, CH3COCH3 Oxidation-Reduction Reactions Part A N2 (g) +3H2 (g) -----> 2NH3 (g) N2 is a redactor and its oxidized in the reaction N2 (0) - 2x3e- ---------> 2N (3+) Part B 3Fe (NO3)2 (aq) +2Al (s) --------> 3 Fe(s) +2 Al (NO3) 3 (aq) Al is a redactor and its oxidized in the reaction Al (0) - 3e- -------->Al (+3) Part C Cl2 (aq) + 2 NaI (aq) ------> I2 (aq) + 2NaCl (aq) I is a redactor and its oxidized in the reaction 2xI (-1) - 2x1e- ---------> I2(0) Part D PbS (s) + 4H2O2 (aq) ------> PbSO4(s) + 4 H2O (l) S is a redactor and its oxidized in the reaction. S (-2) - 8e- ----------> S(+6) Activity Series A: no reaction, B: no reaction, C: reaction, D: reaction Part B Y Q W Z X Sample Exercise 4.

10 Part A Sodium Problem 4.52 ZnCl2 (aq) + 2NaOH (aq) → Zn (OH) 2(s) + 2NaCl (aq) Br2 (l) + 2K(s) → 2KBr(s) CH3CH2OH (l) + 3O2 (g) → 3H2O (l) + 2CO2 (g) Part B P4(s) + 10HClO (aq) + 6H2O (l) → 4H3PO4 (aq) + 10HCl (aq) --- Cl is reduced from +1 to -1 Br2 (l) + 2K(s) → 2KBr(s) --- Br is reduced from zero to -1 CH3CH2OH (l) + 3O2 (g) → 3H2O (l) + 2CO2 (g) --- oxygen is reduced from zero to -2 Part D ZnCl2 (aq) 2NaOH (aq) -> Zn (OH)2(s) +2NaCl(aq)- precipitation Ion Concentration Part A K2S → 2 K {+} + S {2-} (0.15 M K2S) x (2 mol K {+} / 1 mol K2S) = 0.

3 M K {+} Part B It has the same concentration as the ion. Part C 24.59g Sample Exercise 4.13 1.84×10^−3 M Problem 4.68 Mol = mass/molar mass = 0.136/176.12 = 7.72 * 10^-4 Molarity = mol/Volume (L) = 7.72 * 10^-4/0.2588 = 29.82 * 10^-4 = 0.002982 M (mol/L)

Read More
Cite this document
  • APA
  • MLA
  • CHICAGO
(“PhET Simulation - Sugar and Salt Solutions Assignment”, n.d.)
Retrieved from https://studentshare.org/chemistry/1701263-phet-simulation-sugar-and-salt-solutions
(PhET Simulation - Sugar and Salt Solutions Assignment)
https://studentshare.org/chemistry/1701263-phet-simulation-sugar-and-salt-solutions.
“PhET Simulation - Sugar and Salt Solutions Assignment”, n.d. https://studentshare.org/chemistry/1701263-phet-simulation-sugar-and-salt-solutions.
  • Cited: 0 times

CHECK THESE SAMPLES OF PhET Simulation - Sugar and Salt Solutions

The Effect of Osmosis on Potato Tissue When Placed In Different Concentrations of Sugar Solutions

of the ; The Effect of Osmosis on Potato Tissue When Placed In Different Concentrations of Sugar solutions.... im- The purpose of this experiment is to determine the effect of osmosis on potato tissue when placed in different concentrations of sugar solutions- 0M, 0.... ypothesis- Place potato tissues of the same dimensions and weight and taken from the same potato in sugar solutions of different molarities (a measure of concentration i.... aterials needed to conduct the experiment- a sharp knife, a weighing balance, 4 beakers, 4 potato slices, sugar solutions of different concentrations of sugar-0....
2 Pages (500 words) Essay

Oral Rehydration Therapy

Oral Rehydration Therapy is the process used to prevent dehydration and loss of nutrients from the body by administering the required ORS… Oral rehydration salt (ORS) solution can be prepared at home by using ingredients available in every household. ORS is prepared according to the precise formula of WHO / UNICEF.... Dehydration can now be brought under control with a simple solution of sugar, salt and water that can be administered through mouth by the parents in a child's home....
15 Pages (3750 words) Essay

Sugar Stores

The paper "sugar Stores" discusses the role of purchasing in sugar, a chain of clothing shops.... nbsp;It appears that purchasing for sugar stores has so far been indifferent causing lots of problems and limitations for maintaining a level of sales in this competitive business of trading in apparels.... nbsp;… It is evaluated in this write- up whether centralization of purchasing by sugar stores would bring in desired results of increased turnover and profitability....
7 Pages (1750 words) Essay

The routes of producing ethanol from sugar beet

There is numerous process that is adopted to distillate the contents; this includes pressure-swing distillation, simple distillation, Reactive Distillation, molecular sieve adsorption distillation and salt separation (Halford & Karp, 2011, pg.... Ethanol can be made from the sugar beet or simply the sugar beet pulp. The beets are cut into small pieces that are… The clean cossettes are pressed in order to remove remaining water in them and sugars. From the pressing action, sucrose rich water is obtained....
1 Pages (250 words) Essay

How Salt can be separated from a Solution of Water

Sodium chloride that is referred to as a common salt is made up of an ionic compound of sodium and chlorine ions through ionic bonding.... The salt disintegrates wholly when dissolved.... … The salt dissolves in water depending on the proportionality of the solvent.... In the scientific report below, using simple apparatus and method of evaporation, separation of salt from a solution of water was determined.... How salt can be separated from a Solution of Water It was concluded that sodium chloride disintegrates in water to sodium and chlorine ions that are surrounded by polar water molecules....
4 Pages (1000 words) Essay

Why Vending Machines in Elementary and High Schools Need to Be Regulated

The author concludes that policies on the state level ought to reflect a social paradigm shift away from treating vending machines and junk food in schools as socially acceptable and begin to see exposing children to excessive amounts of sugar, fat, and salt as social ills … Because children cannot always know what is best for them, regulation is necessary to control the supply of characteristically unhealthy processed beverages in America's public schools.... Likewise, students at elementary schools with snack machines are statistically more likely to purchase snack food that is characteristically high in sugar and fat....
5 Pages (1250 words) Research Paper

Harmful Effects Health-Wise of Sugar

Though it is mostly used,  research has shown that sugar has its disadvantages because processed sugar nowadays has been overused most processed food contain a lot of sugar and its misuse has its medical disadvantages such as it increases the chances of having diseases (Cox, 2012).... The liver gets overloaded with sugar and this may result in having liver diseases.... The beneficial bacteria that are found in fermented food substances like organic yogurt, fermented vegetables, kimchi helps in detoxifying the body hence get rid of the harmful fructose that is a component of sugar and harmful to the body....
4 Pages (1000 words) Essay

Effects of Reducing Sugars, Starch, Lipids and Proteins

Water, sucrose, starch and potato juice did not change color so it is clear that there are no reducing sugars present in these solutions.... When reducing sugars are mixed with Benedict's reagent, the color changes from clear blue to a red-orange, green or yellow, depending on the sugar.... Water was used as a common chemical in each of the experiments and we can conclude that water is not a reducing sugar, starch or protein from the tests....
1 Pages (250 words) Lab Report
sponsored ads
We use cookies to create the best experience for you. Keep on browsing if you are OK with that, or find out how to manage cookies.
Contact Us