a weighs 1.C

Q: C3H7OH ), known as rubbing alcohol, is ________ amu (rounded to one decimal place). Group of answer…

A: Molar mass of the compound can be calculated by multiplying atomic mass of each atom in the molecule…

Q: 1. LDA CH₂ CHO CHO

A: When a ketone and an aldehyde are treated with lithium diisopropylamide (LDA), they can undergo an…

Q: A common alkene starting material is shown below. Select the reaction conditions that would provide…

A: Find out suitable reagent for organic transformation.

Q: (904.6 - 2.9)/3.52 x 10^4

A: The number of significant figures in the product of the calculation is the minimum number of…

Q: O H 1. NaBH4 2. H₂O

A: The reduction of aldehydes using sodium borohydride (NaBH4) is a common and straightforward chemical…

Q: ᴘᴀʀᴀᴍᴀɢɴᴇᴛɪᴄ ᴏʀ ᴅɪᴀᴍᴀɢɴᴇᴛɪᴄ ɪᴏɴ? ᴅɪʀᴇᴄᴛɪᴏɴꜱ: ᴡʀɪᴛᴇ ᴛʜᴇ ᴇʟᴇᴄᴛʀᴏɴ ᴄᴏɴꜰɪɢᴜʀᴀᴛɪᴏɴ ꜰᴏʀ ᴇᴀᴄʜ ɪᴏɴ.…

A:

Q: (3) (4)

A:

Q: concentration

A: According to the question, the concentration of ascorbic acid is ~0.001 M in lemon juice, We need to…

Q: An empty erlenmeyer flask weighs 241.3 g. when filled with water (density - 0.997 g/mol), the flash…

A: Given: Mass of empty Erlenmeyer flask = 241.3 g. Mass of Erlenmeyer flask with water = 489.1 g. And…

Q: Express your answers to at least 5 significant figures.  The mass of one mole of boron is 10.811 g.…

A: Using mole concept easily determines number of atoms and molecules present in one mole of substance.

Q: + 1.03 2. Me₂S A B LOH

A: Given : structure of reactant and products. Tip : reductive ozonolysis will occur.

Q: What is the difference in mass between a nickel that weighs 4.8 g and a nickel that weighs 4.8673 g?

A: Given,  Mass of nickel = 4.8…

Q: ốc -N+ 14 14 21. 6C 7N+ le ON 14 -1e 1H

A: To solve this problem we have to know about Beta Decay .

Q: Which of the following is the best reducing agent? O Ba2+ O Ca(s) O Mg2+ O Mg(s) O Ba(s)

A: We have to choose the best reducing agent among the following given options as follows in step 2:

Q: If the density of ethanol is 0.789 g/mL, how many cm3 can be produced by the fermentation of 45.4 kg…

A: Ethyl alcohol is formed by enzyme action on sugars and starches by fermentation. C6H12O6 → 2 CO2 + 2…

Q: What is the result of like charges, be they phosphates or magnets, being in close proximity?

A: Electrostatic is a branch of physics which deals with electric charges at rest. Electrostatic force…

Q: If sucrose costs $1.20 per pound, and a bottle contains 2.00 kg, how much would you pay for a case…

A: we know that, kg and pound are related ro each other as;2.205 pounds=1 kilogram1 pound=12.205*1…

Q: 2. A dietician has learned from a nutritional book that his family needs at least 300 grams of…

A: Solution -

Q: 9.921*10^-20*9.714*10^-19]^2

A: Given: [9.921 X 10-20 X 9.714 X 10-19]2

Q: 2. Mg() + _Fe(NO3)3(aa) -

A:

Q: 4. How sizing down to Nano affect material properties?

A: Since  substances at the nanoscale level have a greater surface-to-volume ratio, which causes them…

Q: We have 40.5 cm of a material. How many g is it? The material has density of 9.50 g/cm O 68.0 g O…

A: • The values provided in the question are:-  i) Density of a material, d = 9.50 g/cm3  ii) Volume…

Q: If you have 10 pieces of bread, 20 slices of ham, and 4 slices of cheese, how many sandwiches can…

A:

Q: We have 425 cm3 of a material. How many g is it? The material has density of 0.345 g/cm O 68.0 g O…

A: We have to find mass ,volume and density  is given in the question  Volume of the material = 425 cm3…

Q: Liquid methane appears to be the only other substance found in quantity in a liquid state in the…

A: Given information,     If our ocean were of liquid methane rather than liquid water

Q: Is 2 elements and 1 compound a combustion

A: Given: Two elements and one Compound is present for a combustion Reaction To find: whether the above…

Q: One of the reactions that occurs in a blast furnace, in which iron ore is converted to cast iron, is…

A: Answer: In this question we need to convert mass of Fe obtained into mass of Fe2O3 by using…

Q: 5. مز : HO 0.

A:

Q: 2. The Anemovax COVID-19 vaccine uses 0.950% (w/v) NaCl (normal saline, preservative- free) as its…

A:

Q: Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions…

A:

Q: The concentration of carbon monoxide in an urban apartmentis 48 mg>m3. What mass of carbon…

A:

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Hi, as you have posted 2 questions and have not mentioned which one you want us to solve for you.…

Q: (MC) A student who likes the taste of salt adds 1.50 moles of sodium chloride (table salt) to her…

A: Given : Moles of sodium chloride i.e NaCl = 1.50 mol.

Q: what is 2.303

A: The rate law for first order kinetics is given by-kt= ln(Po/Pt)Where, k is the rate constant t is…

Q: A chemist prepares a solution of potassium iodide (KI) by weighing out 0.5448 kg of potassium iodide…

A:

Q: NaNO3(aq) + H20(1) → NO(g) + O2(g) + NAOH(aq)

A: Here the elctrosysis of NaNO3 is done by passing 90A current for 77.2 minutes. We have to determine…

Q: 15 8. Look carefully at the picture on the right-hand side. (a) Name four GOOD things which you can…

A: This picture demonstrates a boy who’s performing Titration in his chemistry lab.…

Q: 3. What causes an ice cube to melt when removed from a freezer?

A: Water coverts in ice when it kept at lower temperature (that is less than zero) , it remains in ice…

Q: Number 8

A: Given products,

Q: Question 11: You are a gemstone expert studying samples of various materials. Gemstone Hambergite…

A: From the given gemstones, the most massive gemstone is = Smoky Quartz (density = 2.65 g/mL) The…

Q: What is the relationship between calculating the amount of iron in a vitamin pill and physical…

A: The analysis of present iron in a supplement tablet can be done by a redox titration reaction. Iron…

Q: What would be the mass, in grams, of a sphere of titanium which is 24.68 mm in diameter? V =…

A: Given : Sphere of titanium with diameter = 24.68 mm = 2.468 cm…

Q: the percentage purity of the potassium cyanide.

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".