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Q: EXPERIMENT  Determination of Temporary and Permanent Hardness of Water.   I want the analysis for th...

A: A question to explain the analysis method for estimating hardness of water, which is to be accomplis...

Q: how do you find pH from the following given data see picture attached

A: Provided concentration of Cu2+=1.0mol/litre Provided concentraion of H2= 1atm Provided concentraion ...

Q: Consider the following reaction: H2(g) + Cl2(g) 2 2 HCI(g) AH = -184.6 kJ The following graph repres...

A: According to Le - Chatelier's Principle, the reaction at equilibrium opposes the change due to the s...

Q: く Question 15 of 20 > Attempt 2 A metal salt with the formula MSo, crystallizes from water to form a...

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Q: A sample of hydrogen peroxide solution has a mass of 4.599 g. After reacting with the enzyme solutio...

A: Hydrogen peroxide reacts with enzyme solution and decomposes into oxygen and water.  Balanced reacti...

Q: а) Draw the following volumetric glassware: 10.0 mL graduated cylinder, 100.0 mL volumetric flask, 2...

A: (a) Drawing  of different apparatus, used in volumetric Analysis are - 10.0 mL Graduated Cylinder - ...

Q: Why do the gases He, Ne, and Xe tend to be monatomic rather than diatomic?

A: Every atoms wants to be stable. To gain stability, atoms need to achieve an stable electronic config...

Q: Please do number 1.

A: Since you have asked Question number 1, we will solve the same for you.  CaC2 + 2H2O → C2H2 + Ca(OH)...

Q: When 9.1 g of a  hydrocarbon is combusted in a bomb calorimeter the temperature of the calorimeter i...

A: Given that, Amount of hydrocarbon combusted = 9.1 g Mass of water in calorimeter = 731 g Heat capaci...

Q: Give answer all questions with explanation

A: Isopropyl anthranilate is an ester which is produced by the reaction of carboxylic acid and alcohol ...

Q: Analytical chemistry allows chemists to qualitatively and quantitatively evaluate any unknown compou...

A: Analytical chemistry is a branch of chemistry that studies and provides the process to use instrumen...

Q: Give the equations for the reaction of nitrous acid with N-methylaniline?

A: To find: The equation for the reaction of nitrous acid with N-methyl aniline

Q: A student titrates a 50.00mL sample of water with 17.85mL of 0.0100M ethylenediaminetetraacetic acid...

A: Answer:- This question is answered by using the simple concept of calculation of hardness of the wat...

Q: What is the half-life of an isotope that decays to 25% of its original activity in 17.8 h? half-life...

A: Given:- Let initial activity of an isotope=No Activity of isotope decayed in 17.8 h= x = 25% of No  ...

Q: 6C has a half life of 5,730 years. How many 6C atoms would you need in order to measure an average o...

A: The half life is given as 5730 years Average Decay per Second = 10

Q: Calculate the pH change that occurs when 1.00 g of NaOH is added to 250 mL of 0.02 M NH3. Calculate ...

A: Given: Mass of NaOH = 1 g Molecular weight of NaOH = 40 Moles of NaOH = 1/40 = 0.025  moles of OH- i...

Q: What is Inter-molecular Force?

A: To find: The definition for inter molecular forces

Q: Please complete the following self-Claisen and self-aldol reactions by drawing structures for the mi...

A: Answer:- This question is answered by using the simple concept of chemical reaction of self Claisen ...

Q: 4 1 ОН A For molecule A Give the number of steroisomer elements.

A: Total stereoisomers depends upon number of chiral centre

Q: What is the oxidation number of the underlined element in the following compound?a) KMnO4 f) K2Cr2O7...

A: Oxidation number is defined as the number of electrons which an atom can share, lose or gain while f...

Q: Consider the following reaction: 2 NH3(g) 2 3 H2(g) + N2(g) Kc = 2.20 1.10 mol/L of nitrogen gas, 0....

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Q: 3. Given that Kc of reaction la is 6.28 at 760°C, find a. Kp of CH4(g) + H2O(g) 3H2(g) + CO(g) at 76...

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Q: Please solve them in the form provided

A: 1. In the presence of KCN in DMF, substitution reaction (SN2) will take place, and there will be an ...

Q: Combine aldol reaction with others you know to complete the following. Thank you!

A: Two molecules of an aldehyde with alpha-hydrogen in the presence of a base condense to produce bet-h...

Q: What is the product to the following math equation? (15.5×8.1)/2.0 Be sure to report your answer wit...

A: for addition and multiplication, the answer should be in the least number of a significant figure. A...

Q: The reaction for the fermentation of glucose is ... C6H12O6 (aq)à2CO2(g) + 2C2H5OH(aq) ΔHrxn = -67kJ...

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Q: 3. A 50.0 L sample of gas collected in the upper atmosphere at a pressure of 18.3 torr is compressed...

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Q: Thick cloth, like leather, can stop which types of radiation? Check all that apply Alpha particle...

A: The nuclei which are radioactive decomposes by emitting particles or energy to become stable nuclei....

Q: What is Bond Polarity?

A: Atoms always form molecules by combining with the same or different atoms by a chemical bond. The na...

Q: Calculate theoretical yield of 1 (0.25 g) acetone and 2 (1.0 ml) benzaldehyde in a mixed aldol conde...

A: In this question, we will determine the theoretical yield of the Product ( Dibenzalacetone ). How we...

Q: Y.. HN HN MEOH, H2SO4 NaOH HO. Work through the above synthesis and draw the structure of compound c...

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Q: Define physical change and chemical change. State which type of change occurs in each of the followi...

A: Physical change is the type of change which involves change in the physical appearance of a  substan...

Q: Both propanoic acid and propane are soluble in water. With the aid of diagram explain which compoun...

A: In this question, we will determine which Compound ( Propanoic acid and propane ) is more soluble in...

Q: Calculate MW from Average EM. MW (g/mol) = n (eq/mole) x EM (g/eq) where n is the number of H+ ions ...

A: We have to Calculate MW from Average EM. MW (g/mol) = n (eq/mole) x EM (g/eq) where n is the number ...

Q: When you normalize f(x)= Ax between x=0 and x-8, the positive answer of the constant A will be: O a....

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Q: Draw as many resonance structures as you can for the following species

A: As we know one single structure can't determine the all properties of a single species thus we draw ...

Q: How many grams of hydrazine are needed to produce 10.0 moles of nitrogen gas.

A: Hydrazine decomposes to form ammonia and nitrogen gas. The chemical equation can be written as follo...

Q: The diagram above represents the photoelectric effect for a metal. When metal surface is exposed to ...

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Q: A buffer contains significant amounts of acetic acid and sodiumacetate. Write equations that demonst...

A: Given :  1. A buffer contains significant amounts of acetic acid and sodium acetate.  2. Write equat...

Q: Kindly solve this question no 1 and 2.

A: Partial rate factor (f): The rate of substitution at one specific position of a aromatic compound re...

Q: Please correct answer please

A: Gas laws :-  The relationship between temperature , pressure , volume and number of gas is given by ...

Q: Chemistry Question

A: Hello. Since you have asked  multiple parts, we will solve the first question for you. If you want t...

Q: Please help with 4 A-D

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want...

Q: Determine the number of molecules of each product in the following reaction if 5.67 x 10^23 molecule...

A: Given -> No. Of molecules of KOH = 5.67 × 10^23 The balanced chemical equation -> H2SO4 + 2KOH...

Q: Sodium (Na) metal undergoes a chemical reaction with chlorine (Cl) gas to yield sodium chloride, or ...

A: 1 cal = 4.184 J Na + 0.5 Cl2  -----> NaCl + heat Heat released by reaction of 1.00 g of sodium = ...

Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 97.1 mg of FeBr, into a 1...

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Q: Topic: Transmittance and absorbance, lambert-beer law Formaldehyde can be determined in UV spectrosc...

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Q: What are Heteronuclear Diatomic Molecules?

A: Heteronuclear Diatomic Molecules: These are diatomic molecules formed by two atoms of different elem...

Q: 2H(NO3)(aq) + 3H3AsO3(aq)——> 2NO(g) + 3H3AsO4(aq) + H2O In the above reaction what is undergoing ...

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Q: Draw the dipole arrow that represents the dipole moment of the Lewis structure. No clements selected...

A: P