What is the kinetic energy of 45-Kg object moving at the speed of 7.0 m/s ? 1150 J 1400 J 1100 J 1300 J

Q: For H3PO3, which is actually a diprotic acid, K,1-2.04 x 102 and Ka2-4.56 x 10. Calculate the pH of ...

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Q: QUESTION: The majority of our daily tasks are governed by various thermochemical concepts. What do y...

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Q: Time to play Matchmaker! These problems and solutions go together like peanut butter and jelly! Each...

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Q: What is the expected major product of the following reaction (select all that apply)? to SO3 H2SO4 H...

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Q: Part A: Percent Yield of Sodium Carbonate from Baking Soda 97.18g Mass of test tube and beaker ११. २...

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Q: Rank these substances by acidity: 1 = most acidic, 5 = least acidic 4 3.

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Q: Gibbs Energy and Phase Changes 1. The molar volumes of water and ice at 0°C and 1 atm are 18.02 and ...

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Q: A. Multiple Choice. Choose the letter that corresponds to the correct answer. Which of the following...

A: Introduction :  Endothermic reactions are those reactions which consumes energy in the form of heat,...

Q: Calculate the [F] for a saturated solution of PBF2 in water. (Ksp = 4.0 x 10*) %3D

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Q: Calculate the [Y"] in a saturated solution of YF3 in 0.003150 M NaF(). (Kap for YF3 = 8.6 x 10") %3!

A: Solubility product (Ksp) is defined as the products of ions present in a solution of a salt.

Q: Which of compounds l-V corresponds to the infrared spectrum (attached). Provide a clear rationale fo...

A: Infrared spectroscopy give information about what type of functional group. 

Q: Calculate the pH of 0.730 M hydrazine

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Q: Which of the following is true about entropy? (select all that apply) 1) Is a measure of the distri...

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Q: 3. Identify if the following is a pyrimidine/purine nucleotide or a pyrimidine/purine nucleoside and...

A: Pyrimidine :- pyrimidine ring is a six membered heterocyclic aromatic organic molecules having 1,3 p...

Q: the percent yield.

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Q: Enter your answer in the provided box. You are given the following data: H;(g) – 2H(g) AH° = 436.4 k...

A: Given, a) H2(g) ➝ 2H(g)  ∆H° = 436.4 kJ/mol b) Br2(g) ➝ 2Br(g)  ∆H° = 192.5 kJ/mol c) H2(g) + Br2(g)...

Q: which of the following substances is commonly used to reduce soil acidity? Ammonium sulphate Sodium...

A: a) For reducing the acidity of the soil, we need a basic substance. Of the given options, only calci...

Q: the specific rotation of sucrose is 66.5(°cm^3)/(gdm), what is its molar rotation? Mr sucrose is 342

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Q: the specific rotation of sucrose is 66.5(°cm^3)/(gdm), what is its molar rotation? Molar mass of suc...

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Q: C + S2 - CS2 2 Cs3 - 2 CS2 + S2 AH° = -200 kJ ДН 3 50.0 k] Given: Find AH for : 2 C + 3 52 - 2 CS3 О...

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Q: a) What is the formula and charge of the of the complex ion? b) What is the coordination number of t...

A: Given that Pt2+ forms a complex with two ammonia molecules, one SCN- and a Cl- ion.

Q: How many grams of CCl4 would be formed if 1.12 moles of methane reacted with 1.07 moles of chlorine?

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as...

Q: From the following heats of combustion, CH3OH(1) + 02(g) → CO;(g) + 2H,O(1) AH =-726.4 kJ/mol rxn C(...

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Q: O Po undergoes four decay reactions: a, B, a, B. Step 1. 218 Po undergoes a decay to give 214Pb 84 I...

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Q: Part B: Percentage of Baking Soda in an Unknown Mixture UNKNOWN # Mass of test tube and beaker 9u,53...

A: Given that -  Mass of unknown mixture used = 1.40 g  Mass of H2CO3 released = 0.51 g    From the fol...

Q: Please assist in giving the mechanism of a Claisen Schmidt aldol reaction with 2-methylcyclohexanone...

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Q: 3. In the conductometric titration, the concentration of alkali is five time stronger than the conce...

A: conductometric titration

Q: In a CH3COOH/CH3COO" pair, which among these is the base? A) CH3COO- (в) Both С) снзсоон D Neither

A: CH3COOH/CH3COO-  

Q: A 1.00 g sample of NaOH which has been exposed to the air  for  some time is dissolve in water and w...

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Q: Use the following (unbalanced) equation for problems 1 and 2: KHCO3 (s) > K2CO3 (s) + H2CO3 (g) 1. A...

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Q: Br2 BrO, + Br¯ (in basic solution)

A: The reaction can be balanced by 2 methods-  1- half reaction method 2- oxidation number method

Q: (i) How would you synthesis the following using the Mitsunobu reaction. Show the mechanism. , H O Et...

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Q: 1. Write the synthesis of phenobarbital, give names to the initial and intermediate substances.

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Q: H=? Eq.1 H, + O2 = H,0 Eq.2 N,O, + H,0 = HNO, Eq.3 N, + H= -167 J H= 15 J O2 + H, = HNO, H=122 J

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Q: I am trying to determine absorbance values to construct a calibration curve. I am given that, 3,6,9,...

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

Q: Be sure to answer all parts. Given the value of the equilibrium constant (K) for equation (a), calcu...

A: Given -> O2(g) ---> 2/3(O3)(g).   Kc = 8.70 × 10-9  

Q: 5, 14 12 11 16 15 -y mond shown above give the point indices for atom 15. (grs) format. So if q=0,r=...

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Q: Enter your answer in the provided box. For the reaction N2@) + 3H¿(g)5 2NH3(g) Kp is 0.000648 at 563...

A: Given data:: Kp=0.000648  T=563℃ = (563+273) K = 836 K Kc= ?

Q: Give two examples of the topics listed below that happen in everyday life. 1. Endothermic process 2....

A: 1. Endothermic process2. Vaporization3. Sublimation4. Exothermic process5. Freezing

Q: 7. Given the pKa information for different acids below, place the following acids in order of increa...

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Q: Write a reaction mechanism for the following conversion, including reagents and/or conditions. (Non-...

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Q: d Po undergoes four decay reactions: a, B, a, B. Step 1. 218 Po undergoes a decay to give 14Pb 84 82...

A: Identify the symbol, mass number and atomic number ----

Q: Selenous acid (H, SeO) is a diprotic acid, for which Ka1-7.72 x 10³ and K2- 8.43 x 108. Determine th...

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Q: For each chemical reaction listed in the table below, decide whether the highlighted atom is being o...

A: Identify oxidized and reduced species ----

Q: Question 6 A Equation 1: X(s) + NiCl (aq) → Ni(s) + XCl, (ag) Equation 2: X(s) + MgCl2 (ag) → no rea...

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Q: Pyruvate is a precursor for which of the following molecules? O ethanol O acetyl-CoA O glucose O oxa...

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Q: What should be the pH range of an indicator that has a Ka of 5.21x10-4? (А) 3 to 5 (в) 3.28 to 5.28 ...

A: Given,  The pH range of the indicator that has ka of 5.21 × 10-4  is:

Q: 2. In the pH metric titration of strong and weak acid mixture against strong alkali, generally first...

A: question based on pH metric titraton

Q: rove thet or an as a function of othe extensove gou Sc V and Ni U(s. VN)= N bo Vers the terna en ble...

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Q: what is the pH of a 1.00 x 10^-9 molar solution of CaCl2?

A: The pH of a 1.00 x 10^-9 molar solution of CaCl2 is given below