What volume (in mL) of 0.429 mol/L sodium hydroxide, NaOH (aq), is needed to completely neutralize 74.5 ml of 0.183 mol/L hydrochloric acid, HCl(aq)? Your Answer: Answer units

Q: The total hardness is always listed in parts-per-million (ppm) of CaCO3 (or mg CaCO3 / Kg H20).…

A: Volume of water sample = 25.00 mL Volume of EDTA required for end point =…

Q: Please help with a brief description of the following observations.   LiCl Observations   NaCl…

A: The given compounds are : LiCl, NaCl, KCl and CaCl2

Q: Questions: 1. Explain what happen to bottle number 1 2. Explain how bottle 2 ends up in the Great…

A: Answer of the question is given below. Which explains life cycle of plastic.

Q: Why is it difficult to study the origin of life? Select all that apply. The fossils of the first…

A: Life has only originated once, and we aren't there when it happened.  Only one option.

Q: Activity 4. Analyze! Directions: Read and answer each question carefully. Write your answers on a…

A: solution- Above following diagram describes a crystalline liquid, in given diagram molecules between…

Q: 3. [Part 1] Complete the table for your assigned material which is Styrofoam Block Behavior Mass…

A: Density is defined as the measure of mass per unit volume. The symbol most often used for density is…

Q: You are a forensic scientist. You are investigating a murder involving poison. The victim was…

A: Cl2 (g) + C6H6 (l) ---> C6H4Cl2 (l) + H2 (g)            ….(1) CH4 (g) + C6H6 (l) ---> C6H5CH3…

Q: Please answer the question in the photos.

A: For the given reaction, C3H8  + 5O2  → 3CO2  + 4H2O

Q: Will a ppt of PBCO3 (s) form if you mix 30 mL of 1.3х 108 М РЫ(NO3)2 (aq) with 120 mL of 5.7 x 10-6…

A: Option (4) is the correct  choice.

Q: Name Abbreviation One Letter Symbol Name Abbreviation One Letter Symbol H3N. H3N. OH NH₂ + H3N. +…

A:

Q: _Ni(ClO3)2   →     _NiCl2   +   _O2

A: The balanced equation has to be given,

Q: A biochemist carefully measures the molarity of calcium carbonate in 66. mL of photobacterium cell…

A:

Q: Will you check number 1? How do you do the other two questions. I don't understand. Please help.

A:

Q: 2. Geochemists are concerned with the chemistry of natural waters because it affects drinking water…

A: Since you have provided multiple questions with sub-parts, we will solve the first question with…

Q: 5. Look up Ca(OH)2 on the Internet. Determine its common (not chemical) name and some of its uses.…

A: In Ca(OH)2, due to presence of two OH groups it is basic in nature.

Q: From the data in Table 2.5, compute the concentration of the undiluted and diluted ovalbumin samples…

A: Given concentration Absorbance 0 0 0.125 0.075 0.25 0.139 0.5 0.244 1 0.486 1.5 0.699…

Q: I understand this answer, but it wasn't one of the multiple choices they gave me.

A: Follow up question continued. To draw  all possible products of the given organic reaction and…

Q: A pheromone is a type of volatile compound produced by a variety of insect species for chemical…

A:

Q: You have a 11.5 mg sample of blood that contains various proteins. Hemoglobin is the only protein in…

A: Molar mass of heme (C₃₄H₃₂FeN₄O₄)  =  616.49 g/mol Molar mass of Fe = 55.85 g/mol Each mole of heme…

Q: Part A Nitric acid is a component of acid rain that forms when gaseous nitrogen dioxide pollutant…

A: Acid rain is the rain having a pH value of less than 7. Acid rain arises when the pollutants like…

Q: Test tube KI H₂SO4 H₂O2 Volume / cm³ Na2S2O3 Distilled Total Starch solution water

A: Given table is:

Q: BASIC PURE SUBSTANCE MIXTURE DESCRIPTION (color; physical state; transparent/translucent/opaque;…

A: Solution: 1.Brass: We know the brass in the alloy is made of mixture of metals Zinc and copper. It…

Q: Choose the correct answer for the questions.

A: A buffer solution is that which can resist the change in pH upon addition of acid or base…

Q: HO, SOCI2 HO, 8

A: When a Carboxylic acid is treated with thionyl chloride , then acetyl Chloride is formed as a major…

Q: Calculate the number of atoms in 264. ug of cadmium. Be sure your answer has the correct number of…

A: Given:Mass of cadmium (Cd) = 264 g = 264 x 10-6 g = 2.64 x 10-4 gWe have to determine the number of…

Q: Please answer the following question:

A: 1. Yes, this behavior is an example of nonhuman primate culture. 2. Why?  Tool Use and Modification:…

Q: Consider four distinct physical properties: boiling point, melting point, solubility, and density.…

A: TLC is a technique used for separating and analyzing mixtures of compounds based on their…

Q: There are 2 boxes for each reactant and product. Type the coefficient in the first box and the…

A: Given,The molecular equation:Carbon monoxide reacts with iron(III) oxide to produce iron and carbon…

Q: Please answer questions A through C I could not read the handwriting last time so please make sure…

A: Stereochemistry is a branch of chemistry that deals with the arrangement of atoms in the space…

Q: Example 2

A: Rf value : It is generally used in chromatographic techniques.It is the ratio of movement of any…

Q: 180 160 140 120 PPPM 80 III IV 40 20 I: 178.1 ppm II: 22.5 ppm III: 68.8 ppm IV: 27.9 ppm C) I:…

A: The organic compound given is dihydrofuran-2(3H)-one. This compound contains four different carbon…

Q: You have three objects of varying shapes and sizes: Object 1 is a rectangular block of tin. Object 2…

A:

Q: Use stoichiometry to solve this case. Be sure to show all your work and explain whether the results…

A: