The units for absorbance are: Select one: a. Mol" L. b. It does not have units. -1 -1 c. Mol L min". d. Mol L.

Q: QUESTION 10 An oxide of iron has the formula Fe 30 4. What mass percent of iron does it contain? O a...

A: Formula of the compound is Fe3O4. Molar mass of Fe3O4 = 231.53g/mol

Q: How much energy, in J, is required to raise the temperature of 1 kg of water from 37oC to 39.5oC? Th...

A: Given, The energy, in J, is required to raise the temperature of 1 kg of water from 37oC to 39.5oC i...

Q: - onder which conditions of temperature and pressure would a real gas behave most like an ideal gas?...

A: Given: To identify the conditions of temperature and pressure at which the real gas would behave mos...

Q: Select the name of the following structure: CH3CH2 O CCH2CH2CH3

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Q: Calculate the ratio of ammonium chloride to ammonia that is required to make a buffer solution with ...

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Q: According to the kinetic molecular theory, the molecules of an ideal gas (1) have a strong attractio...

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Q: provicde three alkyl halide and discuss its structure

A: Alkyl halide are those in which carbon is  attached to halogen atom.

Q: Mass spectrometry is often used to both identify and quantify compounds. What is different between m...

A: Mass spectrum is the technique used in analytical chemistry for the separation of ions based on the ...

Q: A 25.0 mL volume of HCl solution of unknown concentration is titrated with a 0.124 M NaOH solution. ...

A:

Q: For the following reaction , the rate constant at 373 K i s 0.69856 min-1 . 1. Find the order of th...

A: Given,  Rate constant = 0.69856 min-1

Q: Questions (a) Give the molecular formula of propene. (b) Draw the full structural formula of propene...

A: a)Give the  Molecular formula of propane. b) Draw full structural formula of propane. c) Draw a dot ...

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Q: A reaction is prepared by adding 1.37 mol each of H2, 12, and HI gases to a 1.0 L container. They ar...

A: Given that : Since you have asked multiple question, we will solve the first question for you. If yo...

Q: 2. A 230 ml ethyl alcohol was placed in a Pyrex glass and makes it full at 22°C. How much alcohol wi...

A: Given: Initial volume of ethyl alcohol = 230ml T1 = 22°C T2 = 100°C ΔT = (100-22)°C = 78°C

Q: ) The proton NMR spectrum of a compound with formula C5H12O2 is shown below. THE The carbon-13 NMR s...

A: Given:  The NMR spectra of C5H12O2 13C NMR - 15ppm, 63ppm, 95ppm To find:  Structure of the compound...

Q: For the enthalpy (H) factor to become favorable, the enthalpy of the products should be a   Lower ...

A:

Q: For each chemical reaction listed in the first column of the table below, predict the sign (positive...

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can ...

Q: QUESTION 11 What is the mass of a 4.110-mol sample of sodium hydroxide? O a. 98.6 g O b.0.1028 g O c...

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Q: What will the [Fe(SCN)2+] be at equilibrium, in M?

A:   Equilibrium Reaction                                        Fe3+(aq) + SCN-(aq) ⇔Fe(SCN)2+(aq)    ...

Q: Br NaCN 4. DMF H3C Pha H. NaNg DMF Br CH3 Ph 5.

A: Given, 

Q: 8. How many electrons in an atom can have a set of quantum numbers: n= 6 and l=2?

A: Quantum  Number Tells us about The Address  of the electrons  in orbitals.

Q: The reaction shown below is first order with respect to Fe when excess SCN" is present. The rate con...

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Q: What is the approximate pH of a solution X that gives the following responses with the indicators sh...

A: The indicators with responses of solution X is given as,  

Q: Using dimensional analysis convert 6.5in^2/sec to min^2/sec . Show your work step by step.

A: We have to convert ., 6.5 inch2/second to milliinch2/second  

Q: how many signals does ethylbenzene have if the ring counts as 1 signal

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Q: Draw at least five molecules in the box to represents CO2 after this phase change is completed

A: Given: The symbols for the C and O atoms are . And the molecule is CO2.  

Q: moles

A: Atomic symbol of Nitrogen is N Atomic symbol of Oxygen is O  

Q: 1. An aqueous solution with 15g sulfuric acid is dissolved to make 0.2F solution. The specific gravi...

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

Q: Problem 1: Chemical Kinetics. In an experimental setup, you have worked with ethylene and try to con...

A: Consider the combustion reaction of ethylene which is represented as follows: C2H4(g)+3O2(g) →2CO2(g...

Q: buffer solution is prepared by dissolving 4.7 g of nitrous acid, HNO2 , and 13.8 g of sodium nitrite...

A: The solution is as follows:  

Q: Calculate the moles and mass of acetylsalicylic acid in each tablet (molar mass = 180.16 g/mol).

A:

Q: predict the structure of the major product

A: Alkene reacts with alcohol in presence of an acid catalyst by an electrophilic addition reaction mec...

Q: 2. Name the following hydrocarbon. Predict the hybridization (sp³, sp2, o sp) in the asteroid carbon...

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Q: A 50 mL solution of NaOH was titrated with 39.7 mL of 0.9781 M HCl. What is the concentration of the...

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Q: student runs the reaction represented by the equation below. What mass of H2 gas would be produced i...

A: Given Reaction:-   Zn + HCl --> ZnCl2 + H2   Mass of Zn = 5.63g   Balanced Chemical reaction:- Zn...

Q: moles

A:

Q: Compound A Compound B Compound C CI Step 1 Step 2 Circle one: Circle one: oxidation oxidation reduct...

A: The oxidation number represents the loss or gain of electrons to the respective elements of the comp...

Q: Draw all of the constitutional isomers for C H.

A: Constitutional isomers are those isomers which have same molecular formula but different structural ...

Q: Identify the 2 amino acids: Label the R groups and the alpha carbons Indicate and name the two funct...

A: Given compound :-  

Q: Ammonia, NH3, is toxic to a wide range of aquatic organisms including snails, insects, and fish. The...

A: a) Molarity and pH 

Q: Enter your answer in the provided box. Calculate the molarity of the following aqueous solution: 0.8...

A:

Q: For the following compounds, what is the charge of the transition metal? AgNO3 TiO2 Iron (II) Per...

A: The charge on the transition metal can be calculated as shown below

Q: LO Profiles Tab Window Help Chrome File Edit View History Bookmarks Assign A ALE X b Answe C Calcul:...

A: Given, The solubility of CuCO3 in water at 25 °C is :

Q: If the following molecules satisfy the octet rule, write "stable." If they do not, write "unstable."...

A: Every molecule wants to be stable like inert gas. Inert gases have eight electrons in its valence Sh...

Q: The mass of earth is 5.98 ×10²⁴ kg. What is the mass expressed in tera-grams?

A: Given that : Mass of earth = 5.98 ×10²⁴ kg

Q: Indicate whether the following balanced equations involve oxidation-reduction. If they do, identify ...

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

Q: 2. Write the formula of the following compounds. 1) perchloric acid 2) potassium iodide 3) cobaltous...

A: Given compounds:  Perchloric acid Potassium iodide Cobaltous nitrite Lithium hydroxide Sodium hypoc...

Q: Think about the following reaction: 2 A (g)⟶B (g) +2 C (g)   Assume that we start with 100.0 mole...

A: Given the reaction: 2 A (g)⟶B (g) +2 C (g) 2 moles of A react to form 1 mole of B and 2 moles of C, ...

Q: he percent by mass

A:

Q: Calculate the [H*] of 5.8 x 10-5 M magnesium hydroxide solution. O [H*] = 3.4X10-11 O [H*] = 3.2X10-...

A: