1 How do you find the density of an irregularly shaped object? 2 What are some devices that can lift heavy objects without applying much effort? 3 Why do you think a heavy object is lighter when it is submerged in water?

Q: H, heat OH + HO

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Q: If a system has 5.00×102 kcal5.00×102 kcal of work done to it, and releases 5.00×102 kJ5.00×102 kJ o...

A: Given Data : Work done (w) = 5.00 × 102 kcal heat (q) = 5.00 × 102 kJ  

Q: Calculate the pH of a solution with an H+concentration of 5.6 x 10 ^-6 M and state if the solution i...

A: We are given : H+ concentration = [ H3O+ ]  = 5.6 × 10 -6 M  

Q: Iron reacts with oxygen at high temperatures to form iron(III) oxide. 4 Fe(s) + 3 0,(g) → 2 Fe,03(s)...

A: The balanced reaction taking place is given as, Given: Mass of Fe taken = 14.2 g. And mass of O2 ta...

Q: What test results should you see for each of the following functional groups Functional Group 2,4-DN...

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Q: ОН thiamine hydrochloride NaOH 2 H. ELOH, water benzoin

A: The understanding of TLC plate is displayed underneath. Benzaldehyde is seen in Lane 1. Path 1 is a...

Q: Propene undergoes a hydration reaction with water in the presence of an acid. a. There are two possi...

A: In this question, when propene undergoes a hydration reaction with water in the presence of an acid....

Q: Real-life heat Capacity is temperature dependent. Consider the formation of water vapor H2(g)+( 02(g...

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Q: A river was reported to have a Hg content of 178 ppm. What is the concentration in molarity?

A: The mass of solute in mg present in a one-liter solution is known as ppm (parts per million) concent...

Q: Choose the best Lewis structure for OCN. (It will help to work out the missing formal charges for th...

A: In this question, we have to give the Lewis structure of OCN- from the given options:

Q: What is the line structure and structural formula of 4,5-dihydroxy-6-methyl-n-heptanal?

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Q: Calculate the molar solubility of Al(OH) 3 in a buffer solution with 0.100 MN * H_{3} and 0.400 M NH...

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Q: Describe how you would pick the appropriate chemicals to use to prepare a butter.

A: Buffer is defined as a solution which does not alter it's pH after addition of a small amount of str...

Q: 2. One mole of H* is always neutralized by mole of OH-.

A: -> If water form from combination of ions  then it is neutralization .  

Q: What wavelength (in nm) of light is emitted when an electron transitions from the n = 12 to the n = ...

A: n1 = 1 n2 = 12  RH = 1.09 x 107 m-1 

Q: Draw an electron configuration for an element with 48 electrons. How many of this elements electrons...

A: Electronic configuration can be defined as the arrangement of electrons in orbitals of an atom.

Q: What is the predicted major product for the reaction shown? Fuming H2SO4 ÓCH3 SO3H SO3H SO3H SO3H ÓC...

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Q: An analyte has an Rf value of 0. 75 What does that indicate about the solubility of the analyte in t...

A: Chromatography is a technique of separation  Here we are required to indicate the solubility of the ...

Q: Consider the Lewis structure below. Assign formal charges to each atom. [Image description: A Lewis ...

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Q: Write a balanced chemical equation for the following reactions and classify reactions. i. Liquid oct...

A: Here, we have to write the balanced chemical equations and have to classify the reactions: i. when l...

Q: Show the carbocation pathway for the given reactions below. a. (2E)-4-methyl-2-pentene + HCl b. cy...

A: Reaction proceeds through carbocation intermediate hence , most stable carbocation formed first of a...

Q: Provide an appropriate response. 12) The IQ scores of adults are normally distributed with a mean of...

A: X~ Normal with mean 100 and std 15. P(85<X<125) =P( (85-100)/15 < (X-100)/15< (125-15)/1...

Q: What is wrong with the Lewis structure depicted below? [Image description: A Lewis structure with a ...

A: The Lewis structure given is,  

Q: How much heat energy does 50.0 grams of water absorb if it’s temperature goes from 22.0 Celsius to 2...

A: Answer: Given data Mass of water m=50.0g Rise in temperature of water ∆T=(25.3-22)°C∆T=3.3°C

Q: What is the line structure and structural formula of 4-bromo-2-chloro-3-ethyl-n-pentanal?

A: Given- 4-bromo-2-chloro-3-ethyl-n-pentanal

Q: A student gets a percent transmittance reading of 34.7% Calculate the absorbance reading.

A: The absorbance can be calculated as follows

Q: Consider the reversible reaction (written in terms of generic molecules A, B, and C): 2A(g) + B(g) ⇌...

A: The reaction given is, => 2A(g) + B(g) ⇌ C(g)  

Q: why very low concentrations? are ionic solutions not ideal even at

A: An ideal solution is one which obeys Rault's law at any temperature and concentration. Here we have ...

Q: Which substance is the oxidizing agent in this reaction? 2CuO + C 2Cu + CO2

A: Answer: Redox word is the combination of two words, reduction and oxidation. So, when in a chemical ...

Q: Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0 atm. Calculate...

A: Given data is as follows: The initial volume of the ideal gas V1 = 1.00 L The final volume of the id...

Q: Describe the preparation of 2.00 L of 0.325 M HCl, starting with a 6.00 M solution of the reagent.

A: The equation for dilution is M1V1=M2V2. 

Q: Quèstion 3 Calculate the pH of a solution with an H concentration of 7.2 x 10 10 M and state if the ...

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Q: A mixture of gases is made by connecting a 7.50 L flask containing nitrogen at 2.00 atm to a 13.0 L ...

A: Given,  A mixture of gases is made by connecting a 7.50 L flask containing nitrogen at 2.00 atm to a...

Q: olid cuprous sulfide is oxidized by hot concentrated nitric acid forming cupric salt, and nitrogen d...

A:                               Answer  Pridict  the product and balance redox reaction  In balance re...

Q: Below is a diagram showing a typical heating/cooling curve for water. It reveals a wealth of informa...

A: We would use the given heating curve to answer these questions.      Note : As you have uploaded mul...

Q: Provide the product structure of crossed Adol condensation reaction between cyclohexane and p-anisal...

A: NOTE: It will be between cyclohexanone and p-anisaldehyde and not cyclohexane and p-anisaldehyde. He...

Q: CHEMWORK Use the values of S° given below to calculate AS° for the following reaction: 2Na(s) + 2H20...

A: Calculate change the entropy of the given above reaction --

Q: 1. CH;CH;CH2CH:CH:CH2OH 2. CH;CH2CHOHCH2CH2CH2CH:CHO 3. CH;CH:CH2OCH2CH2CH2CH3 4. CH,CH,CH,CH,CH,–ë-...

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Q: 1. Real-life heat Capacity is temperature dependent. Consider the formation of water vapor H2(g)+( ½...

A: Given: Cp=a+bT+CT-2 ∆H298 K=-60 kCal

Q: Calculate the value of the free energy change, ΔG, for the reaction below at 600.0ºC when the pressu...

A: Given reaction is :  2 POCl3 (g) → 2 PCl3 (g) +  O2 (g)  Pressures of POCl3 (g) at 600.0ºC = 20.00 a...

Q: 1. Draw the d-orbitals diagram for cobalt in [Co(OH2)6]Cl2 based on CFT. 2. Compare [Co(H2O)6]Cl2 an...

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Q: 1 alBalance the acidhase reutiralicaton reaction: H3 PO4+ NaOH-7 Nag POq +H20 b) urik the net ionceq...

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Q: Which of the following would give a positive Benedict's test? Check all that apply. A

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Q: Sample 1 Sample 2 Unknown CaCl2 solution code (if any) 2 1. Unknown Code = 2. Volume of 0.100 M Na3P...

A: Given :-    ----------------------------

Q: Which of the following series of reagents could be used to carry out the conversion shown? NO2 Br O ...

A: Conversion of benzene into m-nitrobromobenzene.

Q: In the preparation of 60 mL Magnesium citrate in the laboratory, you are required to: calculate for ...

A: Given: Mass of magnesium carbonate used = 2.57 g. Moles of magnesium carbonate reacting = MassMolar ...

Q: The following IR spectrum corresponds to which compound? Explain. whi Wavenumber, cm Transmittance, ...

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Q: The following data were collected at 25°C for the reaction of nitrogen dioxide with ozone which is o...

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Q: Calculate the energy for each level of the H and He. HYDROGEN Orbit Energy N = 1 n=2 n =3 n = 4 N =5...

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Q: H H C- ç-C-C-H C. H-c %3D C. H. H.

A:                                         Answer  Intermolecular forces :- intermolecular forces that ...