What is the purpose of Safety Data Sheets? Why are these important when handling common food service chemicals? What information/components are generally included? How do Safety Data Sheets vary?

Q: Calculate the concentration equilibrium constant KC at 298 K for the reaction N2O4 (g) ⇋  2 NO2 (g)...

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Q: The molar conductivity at infinite dilution of H* and NO3 ions at 298K are 349.8 Scm-mol & 71.44 Scm...

A: According to Kohlrauschs law  molar conductivity of an electrolyte at infinite dilution is equal to ...

Q: 1. Convert the following Temperature to fill in the blanks. K °C °F а. 22.19 b. -30.55 с. 547.8

A: For the conversion of temperature, we use the following equations:

Q: Question 47 How many grams of CuCl2 (MW = 134.45 g/mol) is needed to prepare 100.0 mL of 0.2418 M Cu...

A: The correct option would be:  

Q: Consider the titration of 80.0 mL of 0.100 M Ba (OH), by 0.400M HCl. Calculate the pH of the resulti...

A: We have to find the pH for the given solution.,  

Q: Ammonium phosphate (NH,),PO,) is an important ingredient in many solid fertilizers. It can be made b...

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Q: Calculate the smallest orbit of the electron in the H atom.

A: In this question, we have to find out the radius of the smallest orbit that an electron can revolve ...

Q: Which is more acidic CHECH or CH2-DCH2?

A: Given that : We have to identify which of the compound is more acidic :

Q: Consider the reaction below. Given the equilibrium concentration of each species, what is the equili...

A: Equilibrium constant ( Kc ) is the ratio of concentration of products to concentration to reactants ...

Q: What is oxidation number?

A: Given question is : What is oxidation number = ?

Q: 5. Determine the concentration in mol/L (M) of a solution of 18.25 g of HCl in 250.0 mL of water and...

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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: What volume of oxygen gas is required to react completely with 0.154 mol of sulfur dioxide according...

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Q: 13 4 10 5.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and...

A: Here an organic compound of mass 5.5 gram containing carbon and hydrogen , perhaps containing oxygen...

Q: Name the following compounds : 2) 4) OM C- C-CH2-CH o: | :6. :0:

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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: Answer the expression below with the appropriate number of significant figures. 2.4 x 10-4 + 3.1 x 1...

A: Significant rule in addition- During addition of numbers using significant figures, the final answer...

Q: please answer both

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Q: uestion 25 The standard cell potential of the reaction is 1.10 V for the cell Zn (s)/Zn²+11Cu²+1Cu (...

A: We have to predict the emf of cell, ∆Go and nature of reaction.  

Q: Question 2 Pure solids and liquids are not included in when writing an equilibrium expressie O True ...

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Q: Consider the reaction below. Given the equilibrium concentration of each species, what is the equili...

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Q: What is the shape of OXEF4

A: A molecule is given is XeOF4. We have to tell its shape. We know that hybridization is  H = Number o...

Q: To determine the melting point of aspirin, Gerald placed the sample in a capillary tube tied to a th...

A:  To determine the melting point of aspirin, Gerald placed the sample in a capillary tube tied to a t...

Q: For Drug A, the difference between the effective dose 50 and lethal dose 50 is 4mg. For Drug B, the ...

A: Therapeutic index is defined as the difference between the amount (concentration) of the drug that i...

Q: 1. Provide acceptable IUPAC names for the following compounds НО. LF Но. OCH3

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Q: Question 25 The standard cell potential of the reaction is 1.10 V for the cell Zn (s)/Zn2+//Cu²+/Cu ...

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Q: Based on the phase diagram below: a. Describe what one would see at pressures and temperatures above...

A: Phase diagram: The phase diagram represents the different phases of the substance and the pressure a...

Q: Question 3 What is the amount of heat produced by combustion of 125 g of methanol under standard sta...

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Q: Question 25 The standard cell potential of the reaction is 1.10 V for the cell Zn (s)/Zn2+//Cu²+/Cu ...

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Q: formula for a compound is given as C₂H₁₂O₆. This is a (an)

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Q: In a first-order reaction, the half-life is 137 minutes. What is the rate constant? O 1.22 x 10-4 s-...

A: The rate constant and half life of first order reaction is related as follows - Half-life = 0.693/k

Q: Report predicted pKa, observed pKa and percent error from graph please if you could please explain :...

A: To report predicted pKa, observed pKa and percent error from the graph.

Q: What is the type of solid solution that takes place between diopside and jadeite? diopside: Ca2+MgSi...

A: A question based on solutions that is to be accomplished.

Q: The complete orbital notation diagram of an atom is shown. Five squares are shown aligned horizonta...

A: To draw the complete orbital notation diagram of the atom as described.

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: The molar conductivity at infinite dilution of H+ and NO3- ions at 298K are 349.8 Scm2mol-1 & 71.44 ...

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Q: How many grams of O 2 are required to burn 46.0 grams of C 5H 12?      C 5H 12 + 8O 2 --> 5CO 2 + 6H...

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Q: Which of the following is a correct practice in handling reagents? A Return any excess reagent to it...

A: The options given are,  

Q: Provide the proper IUPAC or common name for the following compound. Br HO Br

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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: Answer the expression below with the appropriate number of significant figures. 2.4 x 10-4 + 3.1 x ...

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Q: Which of the following statement/s is/are TRUE? I. When electricity is passed through a solution con...

A: There are different types of reaction taking place. Some reaction takes place spontaneously, while s...

Q: What is the IR of this compound ? with clear peaks

A: Infrared spectroscopy (IR) falls under the infrared region of electromagnetic spectrum and used to i...

Q: What is the appropriate size of volumetric flask to use if you want to dilute a 75.00 mL solution of...

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Q: For the endothermic reaction 2C02(g) + N2(g) 2NO(g) + 2CO(g), the conditions that favor maximum conv...

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Q: Consider the simple functions below, f(x) = x² (1) f(x) = x3 (2) f(x) = x* + 2x³ (3) f(x) = sin(x) (...

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Q: In the gas phase reaction 2 A(g) + B(g)  ⇋  3 C (g) + 2 D (g), it was found that when 1.00 mol A, 2....

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Q: Dihedral angles of omino acid residues are one of the important conformational properties to define ...

A: Dihedral angles of amino acids

Q: alt A solution was prepared by dissolving 1.058 g of NAOH pellets with 100 mL of distilled water and...

A: Here 1.058 gram of NaOH pellets was dissolved in 100 ml distilled water and then transferred to 250m...

Q: Question 23 The equilibrium constant Kc for the reaction fructose-1,6-diphosphate = glyceraldehyde-3...

A: Introduction :  The equilibrium constant, K, is the concentration of the reactants over the concentr...