ete chemical formula for the

Q: U-235 collided with a neutron resulting to a nuclear fission producing La-145, Br-88, neutrons and e...

A: Answer: Amount of energy produced can be calculated by finding out the mass lost during the formatio...

Q: Using dimensional analysis how many grams of silver chloride are produced from 5.0 grams of silver n...

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Q: 8. Use your periodic table to write the expected charge for each element listed below. element predi...

A: 8. Charges on elements- P : -3  O : -2 Ba : +2 Ga : +3 Cl: -1 9. Element in period 3 whose propertie...

Q: Part A A sample of 7.92 g of Mg(OH)2 is added to 24.2 mL of 0.225 MΗΝΟ, Part B Part C • Part D • Par...

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Q: A 0.800 M HCl was diluted to a final volume of 500. mL . If the new concentration is 0.20M . What wa...

A: the initial strength (S1)=0.800M final strength (S2)=0.20 M final volume (V2)=500 ml initial volume(...

Q: The concentration of NaOH from the best three of your trials. 2. The average concentration of 3 of y...

A: Given: Titration KHP (g) Vfinal (mL) Vinitial (mL) Vtotal NaOH(mL) 1 0.7027 34.20 0.0 34.20 2...

Q: Calculate the number of moles in 13.6 g of magnesium phosphate. Group of answer choices 0.0517 mol 0...

A: The formula for the number of moles formula is expressed as

Q: Choose an example of a displacement reaction. O 2H;(9) + O;(9) → 2H;O(!) O Sn(s) + 2HCI(ag) → SnCla ...

A: The reactions given are,  

Q: Calculate the OH concentration and pH of a 1.1 x 10-° M aqueous solution of sodium cyanide, NaCN. Fi...

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Q: он CHOH он CHOH но. I ACNH II OH CH3" OH HO III но What is the monosaccharide at the reducing end? O...

A: We have to predict the reducing end.  

Q: 11.Two point charges are fixed on the x-axis. Imagine moving a positive charge from point P to the o...

A: In any process that takes place in a system, some of energy is utilized in moving object. This energ...

Q: a. Calculate the molar mass of P2O5. Molar mass = g/mol b. Calculate the molar mass of Ca3 (PO4)2 - ...

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Q: If 47.4 g of CH₃OH (MM = 32.04 g/mol) are dissolved in 500.0 mL of solvent, what is the concentratio...

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Q: A solution is formed by adding 3.20 grams of solid sodium hypochlorite, NaClO, to 500.0 ml of 0.0750...

A: Answer: Solution will be basic due to hydrolysis of hypochlorite ion because it is the conjugate bas...

Q: What amount (moles) is represented by each of these samples? a. 102.9 g Fe2O3 mol b. 34.6 mg NO2 mol...

A: 1) No. Of moles of Substance = Given Mass of substance / Molar mass of substance    2)  No. of moles...

Q: What is the pH of a solution in which 15 mL of 0.10M NaOH js added to 25 mL of 0.10 M HC1? pH = %3D

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Q: A 3.27 g sample of iron ore is transformed to a solution of iron(II) sulfate, FeSO4. This solution i...

A: Here at the equivalence point Amount FeSO4 × 6 = Amount of K2Cr2O7 Amount of K2Cr2O7 = Volume in L ×...

Q: EXPERIMENTAL DATA The initial concentrations of SCN after dilution were calculated as part of the Pr...

A: The data given is, And the final volume of solution = 15.00 mL.

Q: Gaseous oxygen and carbon dioxide are placed in a sealed flask. After several minutes, the gases are...

A: Since  it is is a property of gas that it forms always homogenous solution that is why here both gas...

Q: 3 Mesitylene, a hydrocarbon found in crude oil, has an empirical formula of C3H4 and an experimental...

A: Given: Molecular formula = (C3H4)n  And molar mass of the compound = 120.1938 g/mol.  

Q: In the laboratory you measured RMSE, however here you will enter the R2 value displayed on the graph...

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Q: All of the following given are colligative properties except ? Select one: a. Boiling Point Solution...

A: Given; To identify the option which is not a colligative property.  

Q: y= -3,579 x + 14.326 What is the Activation Energy (in Joules/mol) for this reaction at 30 oC? Do n...

A: Acc to arrhenius equationK = A × e-EaR×Tln K = - EaR× T + ln AY = m× x  + c where ,  m =- EaR ,    l...

Q: A 50.1 g sample of iron is put into a calorimeter (see sketch at right) that contains 100.0 g of wat...

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Q: 3. For each of the following molecules or ions: i. Write an MO energy level (orbital correlation) di...

A: We have find out molecular orbital energy level diagram 

Q: tion 48 Vhich structure is a portion of 1. chitin 2. glycogen 3. Dextran 4. Cellulose? aft4) bond A ...

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Q: Enter your answer in the box provided. A 2250 mL sample of 2.50 M HCl solution is treated with 4.14 ...

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Q: 15 Valence electrons in a neutral atom are attracted by protons in the nucleus. a. The nucleus of wh...

A: Answer: Valence electrons are the electrons those are present in the outermost shell of the atom.

Q: The zinc inside the penny reacts with acetic acid (CH3COOH).  The products are zinc acetate and hydr...

A: We have to predict the balance chemical reaction.  

Q: What is the freezing point of a solution in which 20.0 grams of sucrose (C12H22O12) is dissolved in ...

A: When a non volatile solute is dissolved in a solvent, the freezing point of the solution decreases k...

Q: Which is a D-sugar?

A: All naturally  occurring  sugars  are D sugars  They all have basic unit D glyceradehyde. In the str...

Q: Methylamine CH3NH2 is a weak base with pKb =3.36. What is the value of Ka for the trimethylammonium ...

A: Answer: This question is based on conjugate acid-base pair.

Q: An aqueous solution was prepared by dissolving 1.567 g of AgNO3 in enough water to make 250.0 mL of ...

A: Molarity is one of the concentration term given by formula  Molarity = moles / volume of solution (L...

Q: 13. For a radical reaction, put the following steps in the correct order: 1.Initiation 2.Propagation...

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Q: What volume of a 0.500 M HCI solution is needed to neutralize each of the following: (a) 20.0 mL of ...

A: We will first write balanced chemical equations for both and then find volume of HCl needed.

Q: Question 21 Match the structures with the description NH NH CHO HO CH, OH HO NICH CH ocit, CH, H >

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Q: Give an example of alcohol with structural formula 2. Give an example of phenols with structural for...

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Q: a. Choose the item that correctly describes the oxidizing agent and the reducing agent in the reacti...

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and t...

Q: The ratio of an observed measurement of colligative property for a solute in a solution to the value...

A: The solute and their properties are discuss in the coligative properties , in which amoubt of solute...

Q: Please provide the details on how: a. a Sunscreen or Sun Filter ingredient's SPF is measured? b. a...

A:   (a) The sun protection factor (SPF rating) is a measure of the fraction of sunburn-producing UV ra...

Q: Which heteroatom don't contain heterocyclic compounds? a. Phosphorus b. Oxygen c. Nitrogen d. Sulfur

A: The heterocyclic compounds are ring compounds containing  heteroatom  such as oxygen, nitrogen, Sulp...

Q: Assuming you start with 1.25 g of pure aluminum, calculate the following: 1) The amount of potassium...

A: Mass of Al = 1.25 g 

Q: The pH of a solution containing a hydrogen ion concentration of 1 x 10-5 is:  A. 3 and its pOH is 6...

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Q: Match the term with the correct description:

A: Sulphate aerosols are fine particles of sulphate. These are formed due to biogenic emissions of plan...

Q: A chemist wants to prepare 0.670 M HCI. Commercial hydrochloric acid is 12.4 M. How many milliliters...

A: Please find your solution below : Molarity is the measure of concentration which is expressed as the...

Q: a Choose an example of a displacement reaction. O 2K(s) + 2H20(1) – 2KOH(ag) + H (g) O 3RBOH(ag) + H...

A: The example of a displacement reaction is given below.

Q: HO CH,OH CH;ČNH Protein II CH,OH HO CH,OH OH IV Is the antigenic determinant reducing or non-reducin...

A: The reducing  sugars are sugars that acts as reducing  agent and reduces other species. The sugars  ...

Q: recipe for Reuben sandwiches calls for 2 tablespoons butter, 8 slices rye bread, 16 slices deli slic...

A: Recipe for Reuben sandwiches needs:- = 2 tablespoons butter +  8 slices rye bread + 16 slices deli s...

Q: 2.What is the recommended type of emulsifier to be used on o/w and w/o products? 3.What is HLB and ...

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Q: What is the reading of the caliper? mm 10 20 30 40 50 1 5. 8 A 7.14mm B 7.35 7.70mm D 7.80mm E None ...

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