What is the mass of a sample of alcohol (specific heat = 2.4 J/g°C), if it requires 4780 J of heat to raise the temperature by 5.43°C?

Q: concentration

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

Q: A cough syrup has a density of 1.20 g/mL. A doctor orders 48.0 g of the syrup for a sick child. How…

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

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

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Q: ? O H

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Q: Write the balanced chemical reaction showing the neutralization of aqueous solutions of strontium…

A: Strontium hydroxide (base) and sulfuric acid (acid) undergo a double displacement precipitation…

Q: A molecular biologist measures the mass of cofactor A in an average yeast cell. The mass is 21.18…

A: 1 microgram (ug)  =  1000000 picograms(pg)

Q: (A)18.7g NO2 express your answer in moles to three significant figures.  (B)1.88 kgCO2  express…

A: Answers are in step 2

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

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Q: f. B12.

A: Approach to solving the question:This question can be solved by understanding:Aromatic electrophilic…

Q: C. H₂C CN H3C CH3 CN

A: To get the target molecule we have to react Ethyl acetoacetate, with viny cyanide, methyl iodide .At…

Q: Bromine (Br) and mercury (Hg) are the only two elements that occur as liquids at room temperature…

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Q: A 4.450 g sample of hydrated lithium iodide, LiI·xH2O, is dried in an oven. When the anhydrous salt…

A: The water of crystallization is having a fixed number of water molecules present in one formula unit…

Q: Number 8

A: Given products,

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.

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Q: COmplete the equations for these reactions by giving the structures of the products. Assume that the…

A: First NH2 will attack on nucleophilic site which is present in anhydride and then O- will attack…

Q: Suppose you make a solution that contains 17.59 g of sodium chloride and 960 g of water. (a) What is…

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Q: How much bauxite is required? (It takes 2.1 kg of crude bauxite to produce 1.0 kg of aluminum…

A: In this question, we have to find out the mass of Al that can be produced from Aluminum oxide, so…

Q: Give an example of a mixture in which solute is solid and solvent is liquid.

A: NaCl (ionic solid) Water (liquid) Salt water

Q: Haw Can prepare CH;OCH, COOH from

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Q: Suppose you need 6.0 m of Grade 70 tow chain, which has a diameter of 3/8" and weighs 2.16 kg/m, to…

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Q: Synthesis

A: “Since you have posted multiple questions, we will provide the solution  only to the first question…

Q: Using retrosynthetic analysis, propose a reaction sequence for each of the following syntheses. HO…

A: In this question, we will do the retrosynthesis abd then synthesis of the final product.  You can…

Q: Q1. The net potential energy between two adjacent ions, EN, is represented by A В E N pn where EN is…

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Q: 1.) What is the ABE or AXE notation of N2

A: ABE or AXE notation is used for the bonding and non-bonding electrons surrounding the central atom.…

Q: 4- Give any branch of chemistry that is widely studied?

A: Given: Branch of chemistry To find: Any branch of Chemistry that is widely studied.  Solution:…

Q: (4pts) Determining the Thickness of Aluminum Foil Be sure to report answers with the correct number…

A: To calculate the volume of the aluminum foil, we need to use the formula for the volume of a…

Q: (a) '0 +? → “N+ ¿He "N + He (b) ?+on → Li + ¿He (c) He + ? → H+}H

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Q: The most common oxide of vanadium, V2O5, is used as a catalyst in manufacturing sulfuric acid H2…

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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".