What happens to the result of a thick sample subjected to Micro X-ray Fluorescence? cannot map elements higher than Ca overlapping of signals longer measurement time decreasing depth of signals

Q: NAME: GRADE & SECTION: SUBJECT TEACHER: ACTIVITY SHEET in CHEMISTRY 2 WEEK 3-4 1. Describe how a…

A: Note- Dear student, since the given question is a question, hence I solved first question according…

Q: What is the most crucial feature that a molecule should have so that it can be considered a ligand?…

A: A coordination compound is formed by a complex ion and a simple oppositely charged ion. In complex…

Q: Give the nature of the phases found in the following phase diagram in the numbered areas and degrees…

A: The above diagram is phase diagram of CaO-ZrO2 system.

Q: Which of the following refers to the irreversible aggregation of colloidal particles? lyophilic…

A: When small amount of electrolyte is added to the sols which readily precipitates and do not give…

Q: A standard curve for glucose analysis was prepared.The slope (m) was found to be 1.341 while the…

A: Given: Slope(m) = 1.341 y-intercept = -0.333 Absorbance (y) = 0.151

Q: For the given reaction, what volume of NO₂ can be produced from 0.80 L of O₂, assuming an excess of…

A:

Q: - Rank the following substances in order of increasing acidity: (a) Phenol, p-methylphenol,…

A: Acid is substance which release hydrogen ions and base is substance which release hydroxyl ions.

Q: (iv) N ZH Η HN Η + H₂ 225°C Pyridine 120°C +SO3 (0) KMnO4 (0) alc. KMnO4 ܕܝ ܬ ܝ ܠ ܕ >?; >?+ ?

A:

Q: hat type(s) of intermolecular forces are expected between CH3CH₂CH₂CH₂CH₂CH₂NH₂ dicate with yes or…

A: Hexylamine is polar substance. And due to NH2 ground it shows  dipole forces = yes  Induced dipole =…

Q: A glycerol molecule and three butyric acid molecules are shown. Delete atoms and add bonds as…

A: When one molecule of glycerol react with 3 acid molecules, then triacylglycerol is formed ,with loss…

Q: 18. Show the mechanism of the following reaction: butanyl chloride hexanone 3-ethylhexan-3-ol

A:

Q: what is green chemistry in 20 sentences?

A: Chemistry can be defined as branch of science that deals with the study of chemical reactions.

Q: Question 6 The % w/w in a 0.6712-g sample was determined by Volhard titration. After adding 50.00 mL…

A: Using back titration data we can calculate the amount of AgNO3 used for Iodide ion.

Q: Question 22 In the rate law equation, where can the exponent of a reactant be derived? O From the…

A: Rate of a reaction is defined as the change in concentration of reactant or product with time.Rate…

Q: Atoms with the same number of protons but with different electrical charges _____.

A: Electric Charge is two types.    Positive charge Cation and negative charge anions

Q: II. Identify the oxidizing agent and reducing agent in each reaction. 1. 2H₂ + O2 → 2H₂O 2. Zn+S →…

A: Here we are required to identify the oxidizing and reducing agent.

Q: he decomposition of N₂O on a platinum surface has a rate constant, k = 1.48 x 10-3 M s-1. 2 N₂O (g)…

A:

Q: If the Kc is 4.27 at 298K, is the reaction at equilibrium, and if not, which direction does it need…

A: The reaction quotient is the ratio between the product's concentration to the reactant's…

Q: For the given reaction, what volume of Cl₂ would be required to react with 4.4 L of NO₂, measured at…

A: Nitrogen dioxide reacts with chlorine to form NO2Cl. The equation for the balanced chemical reaction…

Q: III. Assign an oxidation state to each atom in each of the following: 1. Zn 2. Cu+² 3. CaCl2 4. CF4…

A:

Q: What would be the result of the given compound in the following chemical tests: (POSITIVE or…

A: Organic chemistry is branch of chemistry in which organic reactant react to form organic products.

Q: Which statement is TRUE about the reaction? I. Fe is oxidized while O2 is reduced. II. Fe is reduced…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 0.7050-g of pure KHP (FW = 204.2) was dissolved and titrated with 35.00mL of NaOH solution. The…

A:

Q: 30.51 Draw the products of each reaction. a. b. O OCH₂ (CH₂)₂CO-OC(CH₂) Buli (initiator) BF₂ + H₂O

A: Note- Dear student , since the given question is a mutipart questions,so l solved first three…

Q: Lecithins are a type of glycerophospholipid. They are also called phosphatidylcholines and are…

A: the given lecithine molecule

Q: Consider the lipid shown. C₁7H35 Identify the fatty acids incorporated in the lipid. palmitic acid…

A: In the structure shown we have to identify the fatty acids present

Q: explain the reaction pathway of combustion of ethanol

A: Answer - Reaction of  combustion of ethanol ethanol C2H5OH(l)+3O2(g)⟶2CO2(g)+3H2O(l) −1366.8…

Q: Which of the statements are true? Unsaturated fats have higher melting points than saturated fats.…

A: Unsaturated fatty acids will have double bonds in their structure. However, saturated fatty acids…

Q: Given the following reaction and instantaneous concentrations, 2?2?(?) ⇌ 2?2(?) + ?2(?) K = 15 [H2]i…

A: The equilibrium constant of a reaction is given by the ratio between the product's concentration to…

Q: Question 1 Consider the reaction mechanism for NO2(g) + CO(g) → CO2(g) + NO(g) (1) NO₂(g) + NO₂ (g)…

A:

Q: a. CH₂ b. H3C K C=C CH₂ H H + HF + H₂O

A: Markovnikov's rule says that the negative part of the addendum will attach to that carbon which has…

Q: Consider the reaction mechanism fo (1) NO2(g) + NO2 (g) → NO3(g) + N (2) NO3(g) + CO (g) → CO₂(g) +…

A:

Q: If given the choice of a complexometric titrant among the choices below, which would be the best…

A:

Q: According to Beer’s law, if b and ε are held constant, absorbance is directly proportional to _____.

A: The correct answer is given below

Q: hemistry 1. Draw the structure of the following amino acids: leucine, isoleucine, methionine,…

A:

Q: D= C=O CH3CH₂OH CH₂CH3 tetrahydrogestrinone (THG), a "designer" synthetic steroid HO aldosterone…

A: The ring structure that is common to all steroids is:

Q: 1. consider the reaction: Ca(OH)2(aq) + 2HCl(aq)CaCl2(s) + 2H₂O(1) data at Using standard…

A: 1. Sol :-  Given reaction is :  Ca(OH)2 (aq) + 2HCl (aq) --------> CaCl2 (s) + 2H2O (l) Calculate…

Q: ___BaCI2 + ___Na3PO4 Balance the chemical equation. Please include a step by step solution.

A: Given,  BaCI2 + Na3PO4 ---------> The balanced equation is:

Q: Classify the phrases as pertaining to either sphingophospholipids (sphingomyelins),…

A: Sphingophospholipids and Glycerophospholipids are two classification of phospholipids according to…

Q: 1. Write the balanced equation of the reaction between Al and oxygen in the presence of heat.  2.…

A: Balanced chemical equation occurs when the number of the different atoms of elements in the…

Q: Identify the type of titration method. Choose the best answer can be carried out at low pH or…

A: Given:- We have to choose the following titration methods in the above questions. a)Fajan b) Volhard…

Q: The change in enthalpy and entropy for the certain reaction are -46.5 kJ mol ¹ and 212 J mol-¹K-1…

A: Given-> ∆H = -46.5 KJ.mole-1=46.5 ×1000J.mole-1(1KJ=1000J) ∆H = -46500 J.mole-1 ∆S = 212…

Q: Caffeine, benzoate, and aspartame content of mountain dew soda was determined using reverse phase…

A: Given: Concentration of standard Caffeine used = 0.70 mg/mL Concentration of standard Benzoate used…

Q: A metal weighing 45.6g loses 350.6J of heat when it’s temperature is lowered from 89.2oC to 64.2o…

A:

Q: In gas chromatography (GC), the column is where compounds undergo decomposition for separation and…

A:

Q: A sample of gas was contained in a 245 mL flask at a temperature of 23.5 °C and the pressure was…

A:

Q: 1. Calculate the change in the molar Gibbs energy for: (a) liquid water treated as an incompressible…

A:

Q: Which intermolecular force do you think is primarily responsible for the difference in boiling point…

A:

Q: wo (2.0) grams of salicylic acid (138.21 g/mol) is added to 4.0 mL acetic anhydride (102.09 g/mol;…

A:

Q: 16. Consider an aqueous solution of ammonium cyanide, NH4CN(aq). Identify the pH of the solution as…

A: Here we are required to predict the nature of aqueous solution of NH4CN