Which of the following is the correct sequence of weighing using an analytical balance? I. Press Tare II. Weigh container and sample II. Weigh container ... A) II, I, III B) II, III, I III, I, I I, II, II

Q: Which of the following should NOT be done in case of a large acid spill? A After wiping the spill wi...

A: Discuss the things which have done in the acid spills and check which one is not suitable to do afte...

Q: Which of the following CANNOT be found in a safety data sheet of a chemical? (A Hazard Identificatio...

A: Safety data sheets in the laboratory contains useful informations about the identification of hazard...

Q: At 400 K, an equilibrium mixture of H2, 12, and HI consists of 0.065 mol H2, 0.079 mol 12, and 0.13 ...

A:

Q: A sample of NH4HS (s) is placed in a 2.00 L container at 25oC. (a) Calculate the total pressure in t...

A:                                   NH4HS (s)     ⇔      NH3 (g)    +   H2S (g)At t=0                 ...

Q: You are a researcher working in a famous molecular biology lab. You will be doing a very important e...

A:

Q: P3- ion is a linear ion composed of 3 phosphorus atoms. Draw 3 resonance structures of this ion. Sho...

A: Resonance structure:If the Lewis structure of a molecule or ion cannot explain by a single structure...

Q: At 2000 °C, N2(g) + O2(g) - 2 NO(g); Kc = 4.10 x 104 What is Kp for this reaction?

A: The relationship between Kp and Kc is given by the relation ;   Kp = Kc (RT)∆ng. ∆ng = stoichiometry...

Q: Balancing Chemical Equations   NH3 + O2        NO + H2O

A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation ...

Q: When cobalt chloride is added to pure water, the Co2* ions hydrate. The hydrated form then reacts wi...

A: THIS CAN BE UNDERSTAND BY CFSE CALCULATION

Q: Using the arithmetic problem below, determine the correct number of significant figures. (1.5 × 10–...

A:

Q: Consider the following equilibrium at 25°C: 2ICI(g) Which of the following would be true if the temp...

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Q: Given the dissociation constants for each deprotonation, what is the dissociation constant for the o...

A: Overall reaction dissociation constant is the multiplication of two dissociation constants of indivi...

Q: Calculate the percentage of nitrogen, N, in dinitrogen trioxide, N203. A. 46.7% B. 18.4% C. 36.8% D....

A: The molecular weight of N2O3 is (14×2+16×3)=76 gm/mol Weight of nitrogen in N2O3 is (14×2)=28gm

Q: Question 33 The most convenient way of expressing the random error, regardless of the concentration ...

A: The most convenient way of expressing the random error is 

Q: Suppose a 250. mL flask is filled with 0.50 mol of Br,, 0.10 mol of BROCI and 0.40 mol of BrCl. The ...

A: Calculate the equilibrium molarity of OCl2 ?

Q: View Policies Current Attemptin Progress (+)-Citronellal is the main compound responsible for the le...

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Q: Question 12 Which of the following is/are TRUE about molar conductivity? I. The molar conductivity p...

A: The conductance is the ease with which the electron are free to move about.

Q: At equilibrium, what is the value of ΔGrxn? < 1 < 0 = 1 = 0

A:                                    Answer At equilibrium, value of ∆Grxn We know that For spontaneou...

Q: Given the stock solution (0.019 M) and diluted solution (0.013M) can you help me compute with How m...

A: Step 1 Stock solution of 0.019 M ascorbic acid To find :-  Amount of water needed to make the solut...

Q: Question 15 Consider the reaction: N204(g) 2 NO2(g). What is AS° at 25 °C? AHf, kJ mol" AGF, kJ mor1...

A:

Q: Seoyeon needs to prepare a 250 mL solution of 0.1000 M Na2CO3. Which glassware should she use to pre...

A: All the instruments mentioned can be used to measure the volume of the solution. Although for titrat...

Q: One method for the decomposition of carbon dioxide proceeds as follows: 2CO2(g) Which of the followi...

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Q: What cause the spikes in the spectrophotometer reading? Explain

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Q: Which of the following changes will affect the rate constant of a reaction 1. Increasing or decreasi...

A: The rate constant is affected by  1) increasing or decreasing the reaction temperature

Q: Briefly explain (1-2 sentences) the differences between obtained results (Optical vs Mass Spectral) ...

A: ICP-AES is based on measurement of excited atoms and ions at the characteristics wavelength and used...

Q: Question Completion Status: QUESTION 2 Match the hydrogens on the structure below to the appropriate...

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Q: Which of the following factors affects the equilibrium of reversible reactions involving gas? O conc...

A: Equilibrium Reactions: The chemical reactions that can come back to the original path in which it ha...

Q: t is a good practice when leaving an operating equipment unattended? Record the equipment using a vi...

A: When we have to leave and the equipment is already operating then we should do following thing.

Q: We perform a 1.0 mL 2-methyl-2-butanol alcohol dehydration by simple distillation also using H2SO4. ...

A: A question based on analytical separations that is to be accomplished.

Q: The ΔG°rxn for the reaction: N2(g) + O2(g)  2 NO(g) is +173 kJ/mol at 25 °C.  What is the equilibri...

A: Complete solution is given below in next step   

Q: 9. Calculate the quantity of heat in kJ, associated with a 33.5°C decrease in temperature in a 5.85 ...

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Q: The complete mechanism for a reaction is considered to occur in two steps, one of which is slow and ...

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Q: Create a flowchart of processing of biomass into fuel.

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Q: Exactly 1.0 mol N204 is placed in an empty 1.0-L container and allowed to reach equilibrium describe...

A: Intial mole of N2O4 is 1mol. Vol. Of container is 1L. Given equation: N2O4(g) &lt;-----&gt; 2NO2(g).

Q: Please answer fast.

A:

Q: Draw the lewis structure of the compound BiAt3 and show its molecular geometry.

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simpl...

Q: For the reaction Br2(g) + Cl2(g) 2BRCI(g), at equilibrium, it is found that the concentrations of Br...

A: Here given [Br2]=0.398 M, [Cl2]=0.351M, [BrCl]=2.05×10-5M FFrom the given equation Kc=[BrCl]2/[Br2][...

Q: Consider the following natural fatty acids. Of these, which is predicted to have the LOWEST melting ...

A: To identify: The fatty acid with the lowest melting point.  

Q: It is possible to ignite diethyl ether at temperatures lower than +35 degrees Celsius. True or Fals...

A: Complete solution is given below in next step   

Q: Determine the concentration of 7.13 g zinc nitrate (MW = 189.4 g/mol) dissolved in 200.0 mL distille...

A: Molarity is defined as the number of moles of solute dissolved per litre of solution.

Q: Aqueous aluminum bromide and aqueous sodium hydroxide are combined. Write the molecular, ionic, and ...

A: Given: Reaction between aluminium bromide and sodium hydroxide.  

Q: The results of an analysis for a certain sample is given: 20.1, 24.1, 23.5, 22.2, and 21.6. Find the...

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Q: Which is NOT true about stock solutions? A Must be rarely touched during experiments B Cannot be con...

A: Given, Four statements regarding stock solution is provided     Required,                   Among fo...

Q: Which is NOT true about stock solutions? A Must be rarely touched during experiments B Cannot be con...

A: Stock solution is a concentrated solution that is prepared well in advance. It is then used to prepa...

Q: interconversion of energy between two forms: heat alu 13. The First Law of Thermodynamics states tha...

A: 13.  The First Law of Thermodynamics states that energy can be created or destroyed. Answer :  The F...

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A: We have to answer that which of the following elements is a very reactive metal (has to be stored un...

Q: Determine whether the following items pertain to physical or chemical properties of matter. Write P ...

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: 1. How many MOLECULES of sulfur dioxide are present in 6.52 grams of this compound? molecules. 2. Ho...

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Q: 1.10 M Acetic acid 0.900 M Sodium acetate [H30*1 (M) Solution (mL) |(mL) 1 8.00 2.00 8.71e-5M 7.00 3...

A: Here we have to determine [H3O+] concentration in mixing the following volumes of 1.10M acetic acid ...

Q: At a certain temperature the rate of this reaction is first order in SO; with a rate constant of 0.0...

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Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.