An Acid-Base Neutralization is a reaction where an acid and base react to form a salt.
A salt forms when an acid reacts with a base.
In this task you will use the experimental scientific method to investigate a relevant, testable problem and communicate your findings in an organized written report. Design and carry out a scientific experiment that investigates a topic from either the life, earth or physical sciences and uses appropriate methods, tools, tec
Zinc reacts with hydrochloric acid according to the reaction equation: Zn(s)+2HCl(aq)---->ZnCl2(aq)+H2(g) How many millimeters of 5.00 M Hcl(aq) are required to react with 2.5g of Zn(s)?
The attachment contains all of the questions regarding ranking acidity and different forms of hydrogen atoms.
Given the concentration of a weak acid, calculate the pH of the solution. The Ka for acetic acid, CH3COOH, is 1.8x10^-5. Calculate the [H+] of a 0.20 M solution of acetic acid in water.
Understanding dilution factors Question: A courier has just delivered a 2.0 mL sample of serum to your laboratory for analysis. In your analysis, you will combine a 0.05 mL aliquot of the serum with 9.95 mL of phosphate buffered saline diluent. Calculate the dilution factor. Answer: Before answering the question, let's
Calculate the final pH of 25 mL of buffer 0.1M Tris.HCl/Tris buffer, pH=6.60 after the addition of 1.00mL of 0.1M NaOH. pKa is 8.08. use the 0.10M Tris.HCl and 0.10M Tris to prepare 100mL, pH=6.6 solution. it calculated by pre-lab, it need 96.8 mL 0.10M Tris.HCl and 3.2mL Tris. and take 25mL pH=6.6 solution, then add 1mL of 0
Find the solutions without using the Henderson-Hasselbalch equation. Please show all calculations. Question #1 A student dissolves 0.25 moles of the acid HA in water and dilutes the solution to the final volume of 500 mL. The student then gives a small portion of the solution to her professor. The professor uses a pH meter
Please find the solutions without using the Hasselbach equation. Please show all calculations. Question 1 Find [H^+] in a 25 degrees Celsius solution prepared by dissolving 0.20 moles of NH4Cl in water and diluting to a volume of 400 mL, given that Kb = 1.8 x 10^-5 for NH3 (aq) at 25 degrees Celsius. Question 2 Find
We did an experiment to determine how many grams of NaHCO3 and 0.8 M H2SO4 were required to inflate a quart-sized Ziploc bag. We determined the volume of the Ziploc bag to be 1.350 L. Using the ideal gas law, the molar calculation was 0.547 mols. We did 2 different scenarios. One was with the NaHCO3 as the limiting reagent, the
Please show all work. Do NOT use the Henderson-Hasselbalch equation in solving any of these questions. 1. Ksp = 2 x 10^-19 for LaF3 in water at 25 degrees celcius. How many grams of LaF3 are present in 500 mL of saturated LaF3(aq) at 25 degrees celcius ? The atomic weight of La is 139. 2. Find [H+] in 0.25 M NaC2H3O2 (
1- Do Strong electrolytes (in solution) conduct electricity well? 2- Determine if the following are soluble or insoluble in water PbCl2 PbNO3 PbS Na2S BaCO3 Ba(OH)2 LiOH AgCl AgC2H3O2 AgOH 3-Write the balanced net ionic equation for the following reaction: Na2SO4 + Pb(NO3)2--> 4-Write the balanced net io
1. Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO_2. Dissolved CO_2 satisfies the equilibrium equation The acid dissociation constants listed in most standard reference texts for carbonic acid actually apply to dissolved CO_2. For a CO_2 partial pressure of 7.7×10-4 atm in the a
This solution is an answer to finding the pH of a solution if it is either a strong acid/base or a weak acid/base or a buffer containing a weak acid and its conjugate or weak base and it's conjugate. 1. a) Give examples of strong acids and bases. b) find the pH of 0.01 M and 0.001 M solution of each. 2. a) Give exa
Please explain how to do these E-chem reactions. Set 1: Find the standard reduction potential for the reaction (it's a range based off results) VO3-(aq) + 4H+(aq) + e- → VO2+(aq) + 2H2O(l) Ecell=?? Results for my reactions any heat that is mentioned was for 12-15 minutes Vanadyl Sulfate (blue solution): 1.
I am having a test Friday and some of these problem types will be on the test. I am not quite sure how to work them and want some support on how to do them. I have work out some of the problems but want to make sure I understand how to do them. Please include explanation and work. Thank you for your assistance. 1. If
Hi, I need some assistance with the following chemistry questions. I am really struggling with these different concepts. 1. Bromine is a reddish-brown liquid with a relatively low boiling point. What is the density (g/mL) of bromine if 861 mL has a mass of 2686 g? 2. How many liters of bromine are present in 85 mL of bro
4.19. The Behavior of Substances in Water Part 1 a. Ammonia, NH3, is a weak electrolyte. It forms ions in solution by reacting with water molecules to form the ammonium ion and hydroxide ion. Write the balanced chemical reaction for this process, including state symbols. b. From everyday experience you are probably aware th
Assignment CROP 440/540 Week 7 A field corn grower near Mythtown, Central State, has called, and asked you to visit a field that he is worried about. He says the entire field looks sick, and he wants you to give an expert opinion on what you think is wrong. During your conversation, you learn that about a week ago, the grower a
The experiment performed is outlined in the attached pdf file. I did not do the melting point or silver nitrate parts, but I would still like to know what was going on if I did. Please help me with citations as needed, so I can look them up for more detail. Purpose: The separation of mixtures into their constituent componen
Sodium bicarbonate was added to an unlimited amount of sulfuric acid undergoing a reaction to produce sodium sulfate plus carbonic acid (which turned in to water vapor and carbon dioxide upon heating). Na2CO3 +H2SO4------> H2CO3 +Na2SO4 I would like to know: a.) 2.095 grams of sodium bicarbonate was used in the reaction an
BACKGROUND Here is an example of how to make up a W/V solution, to give you an idea about the steps for the next exercise. Using the salt provided to you, you can make a 50 ml of 5% (W/V) NaCl solution. *Steps: 1. Get a clean 250ml-beaker ready; 2. Add about 35 ml dH2O to above beaker; 3. Weigh _______ grams of salt usin
Why do firefighters recommend the use of a deluging volume of water when extinguishing an oxidizer-supported fire? What may happen to a large (i.e., 30-50lb) container of trichloro-s-triazinetrione, or calcium hypochlorite, if it is left to sit in the water and muck remaining in a building after fire fighting efforts have ended,
The solution involve the chemical reaction between sodium hydroxide (NaOH) and hydrochloric acid (HCl) followed by an ionic equation then a net ionic equation. The concept of spectator ions in addressed. The question to be answered is found below. 1. For the reaction between sodium hydroxide and hydrochloric acid
Calculate the pH of the solution when 0.1 M sodium hydroxide (NaOH) is titrated with a 25.0 mL hydrochloric acid (HCl).
Calculate the pH of the solution when 0.1 M sodium hydroxide (NaOH) is titrated with a 25.0 mL hydrochloric acid (HCl) at the following stages of the titration. a) 15.0 mL of the sodium hydroxide solution added b) 25.0 mL of the sodium hydroxide solution added c) 35.0 mL of the sodium hydroxide solution added
1. Find the pH of 0.050 M solution of H2CO3 2. Find the pH and [SO4^(2-)] of a 0.0075 M sulfuric acid solution
The effluent from a pulp and paper operation has a COD of 209 ppm and a BOD of 4.9 ppm. a) What can you conclude about the nature of the organic compounds in the effluent from the values of COD and BOD? b) What volume of 0.050 M K2Cr2O7 would be required to completely oxidize the organics in a 50.0 mL sample of effluent?
Write balanced molecular and net ionic equations for several reactions, calculating the mass percentage of ions present by titration.
Write balanced molecular and net ionic equations for the reactions of a) m a) hydrochloric acid with nickel b) dilute sulfuric acid with iron c) hydrobromic acid with magnesium d) acetic acid,HC2H3O2 with zinc Hard water contains Ca2+, Mg2+, and Fe2+, which interfere with the action of soap and leave an insoluble coating
A major source of air pollution years ago was the metals industry. One common process involved "roasting" metal sulfides in the air: 2 PbS(s) + 3 O_2(g) --> 2 PbO(s) + 2 SO_2(g) If you heat 2.5 mol of PbS(s) in the air, what amount of O_2(g) is required for a complete reaction? What amounts of PbO(s) and SO_2(g) are expe
Please see attachment. 7/2.2 8.00 of are dissolved in water to make 2.00 of solution. What is the concentration of hydronium ions, , in this solution? = 7/3.2 Carbonated cola is more acidic than coffee or even orange juice because cola contains phosphoric acid. What is the molar concentration of in a cola that
7/1.2) When solvent molecules surround solute molecules, the process is known as solvation. When water is the solvent used, the process is known as hydration. Recall that hydra means "water." Write the balanced equation for hydration of CuSO4. Indicate the physical states using the abbreviation (s), (l), or (g) for solid, liq