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Q: The following data were obtained in the determination of cadmium in an ore, using atomic absorption....

A: In order to find the concentration of the unknown sample, we have to plot the linear regression grap...

Q: Which of the following bonds is the most polar bond? A) C –C B) C –O C) C –H D) C –Cl E) C –N Which...

A: Given:-   Which of the following bonds is the most polar bond?A) C –C B) C –O C) C –H D) C –Cl E) ...

Q: Calculate A E for the reaction below at 25 °C. SiO 2(s) + 4HF(aq) SiF 4(9) -320.8 -1615 AH (kJ/mol) ...

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Q: give

A: A) C  B) C

Q: Rank these in order of increasing reactivity in an SN1 reaction

A: Answer: C) I < II < III

Q: 211.5g of glucose is dissolved in enough water to make 635.0ml of solution. (Molar mass of glucose i...

A: Given, Note: 1000 mL = 1 L Mass of glucose = 211.5 g Volume of the solution = 635.0 mL = 0.635 L Mol...

Q: How is a chemical sunscram prepared and is it related to Adol? e 6:38 A

A: Sunscreen ( sunscram is a typo) are used to save our skins from harmful UV rays present in sunlight....

Q: pls solve this ques with a complete explanation within 10-15 minutes I'll give u multiple likes

A: To identify which type of reaction is given here.,  

Q: Chromate-dichromate system 1. Prepare a clean spot plate and label four wells. Place 5 drops of 0. 1...

A: To complete the table with observations:

Q: Some CO, Cl2, and COCI2 are added to a reaction vessel and the following reaction consumes some COCI...

A: Given:-   We have to give justification before the equilibrium and at the equilibrium.

Q: Question 8 Which of the following expressions does not represent a proper expression for the rate of...

A:

Q: Spectrophotometric of a Cobalt Chloride Solution Analysis   1. explain in detail the results of th...

A: In order to obtain the result of the experiment, we have to plot a linear regression graph for both ...

Q: A blacksmith heats up a .8kg iron sword to 1276C then dunks it in room temperature water. (25c) How ...

A: Solution: In the calorimetric problems we determining, the heat required for the given change ( the ...

Q: Outcome 8 – Bridge Assignment 2 Advanced Nomenclature: Esters and Nitriles 1) Draw the following com...

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Q: For the molecule below, predict both the molecular shape and bond angle around the central atom. SeS...

A:                               Answer  Predict both the molecular shape and bond angle around in the ...

Q: A 1.50-g sample of hexane, C 6H 14 (MW = 86) undergoes complete combustion with excess 0 2 in a bomb...

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Q: Complete the following table for aqueous solutions of potassium hydroxide. Show complete solution. M...

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Q: A 7.50 g of solid compound RED was dissolved in 100 g water. The freezing point of the solution was ...

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Q: 4. A patient is injected with a drug every 12 hours. Immediately before each injection the concen- t...

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Q: Nitroglycerin is a dangerous powerful explosive that violently decomposes when it is shaken or dropp...

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Q: For the endothermic reaction: CaCO3 (3) Ca0 (3) + CO2 (g) Le Châtelier's principle predicts that O i...

A: Le Chatelier's principle: According to the Le Chatelier's principle when a change in concentration t...

Q: AH° = ? %3D

A:

Q: Determine: a) What is the Global reaction b) What is the theoretical power of the cell c) What is th...

A:  (a)               C + 2O2-     →Anode         CO2 + 4e-4e- + O2     →cathode        2O2-           ...

Q: Methane combustion provides a significant fraction of the world's primary energy, and is used for ho...

A:

Q: What is the weight of nitric acid in 12.5N HNO3 solution

A: Normality =12.5N  

Q: Write the materials and how are you going to prepare this solutions with step-by-step procedures. 2...

A:

Q: The symbol for rate constant is? Select one: a. L b. C c. k d. s

A: In chemical kinetics, the reaction rate constant or reaction rate coefficient is used as a proportio...

Q: What will be the major organic product from the dehydration of 2-butanol in the presence of a strong...

A: Correct option is (D) 2-butene explanation is given below

Q: rave-like properties. Determine the waveler by an electron moving at 10 ms-1.

A: Mass of electron(m) = 9.10×10-31 kg Velocity(v) = 10 m/s Using De-broglie wavelength,  Wavelength(L)...

Q: 2.Would 20 mL of your 1:1 (acetic acid: sodium acetate) solution prepared in Part B be able to buffe...

A: Buffer capacity is the ability of buffer to resist the change in pH.

Q: good solvent f

A:

Q: Which of the following expressions is the correct equilibrium-constant expression for the following ...

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Q: A 2.30 g sample of ethanol, CH3CH2OH, is combusted in a bomb calorimeter. The temperature of the cal...

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Q: 4. Why do they put magnesium rods in a steel hot water heater? (Hint: Think about galvanized steel.)

A: Q4)

Q: If nerves respond to electrical currents, why do you think putting aluminum foi on an amalgam (gray)...

A: 3. Answer - According to the question - Given - If nerve respond to electric current - If we have me...

Q: The solubility of CO2 gas in water Select the correct response: decreases with decreasing temperatur...

A:     The solubility of CO2 gas in water _________. We have to find out the relationship between tempe...

Q: 6. Consider the radical halogenation of pentane. What are the possible mono-halogenated products? La...

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Q: Calculate the number of I of hydrogen gas required to make 4. N2+ H2

A:

Q: grams of

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Q: 4. Why do they put magnesium rods in a steel hot water heater? (Hint: Think about galvanized steel.)

A: Please find your solution below : Corrosion is a phenomenon in which a material gets deteriorated be...

Q: What is the relative supersaturation of Ag2SO4 if its concentration at a given instant is 0.0750 M a...

A: Given-  concentration at a given instant (C) =  0.0750 M  equilibrium solubility (Ceq) = 4.43x10-5 M

Q: ny liters of CO

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

Q: C4 H,0 8 4. 3. PM-00-190 ppm 00

A:

Q: EQUATION WRITING: Balance the following redox reactions. Use change in oxidation state method (oxida...

A: Oxidation means loss of electrons and reduction means gain of electrons.

Q: sealed 1.0 L flask is charged with 0.500 mol of I2 and 0.500 mol of Br2. An equilibrium reaction ens...

A:

Q: 1. Provide a systematic name for each of the following compounds

A: Given; structure of molecules

Q: 6. What is the edge length of a simple cubic unit cell made up of atoms having a radius of 158 pm?

A:

Q: ANION ELIMINATION TESTS ADDED REAGENT(S) OBSERVATIONS Ba(NO3)2 White ppt HNO3, Fe(NO3)3 Yellow aqueo...

A: Analysis of anions or cations means that what type of cations or anions are present in a given sampl...

Q: Write a descriptive information about Filtration and Evaporation.

A: Filtration and evaporation  are separation methods. These separation methods are used to separate mi...

Q: Activity 1 1. A sample of compound A (a clear, colorless gas) is analyzed and found to contain 4.27 ...

A: As per bartleby guidelines I answered only first question so please don't mind.Thanks in advance.