67. This picture of baking soda is an example of O acidic compound O neutral compound basic compound

Q: In a constant-pressure calorimeter, 65.0 mL of 0.800 M H,SO, was added to 65.0 ml. of 0.500 M NaOH. ...

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Q: 4.41 The percentage yield of the following reaction is consis- tently 87%. CH,(g) + 4 S(g) →CS,(g) +...

A: Given reaction :-  CH4(g) + 4S(g) -----> CS2(g) + 2H2S(g)  Mass of CS2 obtained = 80.0 g 

Q: Injection of ethane, propane, butane, pentane, and hexane on a squalene column under isothermal cond...

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Q: 15. Methylamine is a weak base with the formula, CH3NH2, the Kb for methylamine is 4.38 x 10-4 In a...

A: We have to calculate the pH of the solution .  

Q: Can you please type this out and not write it on paper, thank you!

A: In a substance, the state of the matter or the phase of the substance depends on the arrangement of ...

Q: Please explain why or why not the diene will or will not react with maleic anhydride.

A: The diene with the following are preferred- 4pi electron in conjugation, conjugated, less sterically...

Q: Balance the following equation: Al+O2=Al2O3 and determine how many moles of aluminum oxide can be pr...

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Q: Using the reaction – energy diagram (at the right side), what happens to the activation energy when ...

A: Activation energy: When the reactant molecules convert into the products, they required the minimum ...

Q: What is the percent composition of iron(II) sulfate hexahydrate? Select one: a. 4.2% Fe; 4.2% S; 41....

A: Molar mass of FeSO4 .6H2O = 260.0g/mol In FeSO4 .6H2O Number of Fe = 1 Number of S =1 Number of O=10...

Q: What type of reaction has occurred? How do you know? CH3 CH2 =C

A: We have to use some reagent for this reaction.

Q: equilibrium?

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Q: The position of equilibrium would not be appreciably affected by changes in the volume of the contai...

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...

Q: The unit cell of the tetragonal (a = b not equal to c) phase of a Ni and Nb alloy is given below. a....

A: Given a tetragonal unit cell where a=b but not equal to c . Let's discuss the mirror planes and inve...

Q: Describe how to prepare 15 ml of a 0.25 M CaCl2 solution using deionized water and CaCl2 salt. The m...

A: Given :- Volume of solution = 15 mL = 15×10-3 L Molarity of CaCl2 = 0.25 M Molar mass of CaCl2 = 110...

Q: Refer to the group of elements for the following questions. Arrange the following according to the p...

A: 1. As we move across the period size decreases. So d block elements are lower in size comapred to P ...

Q: Consider the system at equilibrium. S(s) + 0,(g) = SO,(g) How will adding more S(s) shift the equili...

A: Consider the system at equilibrium. S(s) + O₂(g)  ---> SO₂(g)

Q: One term in a balanced chemical equation contained the coefficient 11 in front of the formula Al2(SO...

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Q: at equilibrium.

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Q: Y 10 11 12 13 14 Tim e (min) O A. 1234 O B. 2116 O C. 1102 O D. 1936 O E. 1488 Instrument response i...

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Q: A 1 liter solution contains 0.448 M nitrous acid and 0.336 M potassium nitrite.

A:   HNO2 + KNO2 mixture will acts as acidic buffer Added strong acid HCl, it reacts with salt KNO2  an...

Q: Draw FOUR (4) possible aldehyde structural isomers for C4H6O.   PLEASE PROVIDE CLEAR DRAWING AND S...

A: structural isomer or constitunal isomer  These are one in which two or more organic compounds have t...

Q: Will CH3CH2NH2 act as a Bronsted-Lowry acid or base when reacting with water?

A: Bronsted-Lowry Acid : A Bronsted-Lowry acid is any species that is capable of donating a proton H+ ...

Q: (CH,(CH.),CH.) (H.). If 7.49 g of water Liquid octane reacts with gaseous oxygen gas (0,) to produce...

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Q: Which of the following statements about the van Deemter equation H= A+ Blu+ Cu is incorrect? O A. Th...

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Q: Give the systematic name of the alkene, indicating cis or trans configuration. .CH3 H. CH3 systemati...

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Q: Will HNO2 act as a Bronsted-Lowry acid or base when reacting with water?

A: Identify Bronsted Lowry acid or base ---

Q: 4. When the following redox reaction is correctly bala Cl2 + MnO2 (s) → CIO3 + Mn2+ (aci what is the...

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Q: 3. Use a titration between an acid and a base to answer the following: a. Mole to mole ratio of acid...

A: The reaction between an acid and base is called neutralisation reaction in which salt and water is p...

Q: What are the TWO most appropriate methods to quantify the rate of reaction in the following chemical...

A: The factors affecting the rate of a chemical reaction are, - concentration -temperature, - pressure(...

Q: Which of the following reaction is a spontaneous? O CaO(s) + CO29) → CaCO3(g) O 2SO2«g) + O2(g) → 2S...

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Q: For a theoretical yield of 6.7 g and actual yield of 4.57426 g, calculate the percent yield for a ch...

A: We have to predict the percentage yield.  

Q: A solution was prepared by dissolving 35.0 mL of methanol in sufficient water to give a total volume...

A: We have to predict the percentage by volume of given solution.  

Q: E B Where would the bicyclist have the highest potential energy? (choose one) v Where would the bicy...

A: High elevation causes high potential energy.  Kinetic energy is due to motion so it's just opposite ...

Q: Many metals react with halogens to give metal halides. For example, iron reacts with chlorine to giv...

A: Consider the given information is as follows; Mass of iron (Fe) = 10.0 g Mass of Cl2 required for th...

Q: thermometer A 52.6 g sample of polystyrene is put into a calorimeter (see sketch at right) that cont...

A: In the process, the styrene will release the heat. The water will absorb the heat from the sample of...

Q: 1. An electron makes a transition from the n = 3 → n = 2 energy level in a magnesium atom. Which of ...

A: The answer is as follows:  

Q: v Correct At 25 °C phosphoric acid, H3PO4, has the following equilibrium constants: Ka 7.5 × 10-3 Pa...

A: Given  Concentration of K2HPO4 solution = 0.550 mol L-1Ka1 = 7.5 × 10-3Ka2 = 6.2 × 10-8Ka3 = 4.2 × 1...

Q: Emma lives in Wisconsin and wants to plant geraniums in her yard. The average daily temperature in h...

A: Emma lives in Wisconsin and wants to plant geraniums in her yard. The average daily temperature in h...

Q: Which of the following is the correct expression for the pressure based equilibrium constant for the...

A: Write expression of kp ---

Q: 4. The combustion of octane (C3H18) gas. 5. The combustion of decane (C10H22) gas.

A: Alkanes on combustion gives carbon dioxide, water and heat

Q: A sample of 24.9 g of ammonium nitrate, NH4N03, was dissolved in 121.3g of water in a coffee cup cal...

A: Mass of sample (ammonium nitrate) = 24.9 gram Mass of water = 121.3 gram Specific heat of solution =...

Q: Consider the following set of quantum numbers: n = 0, l = 1, m(l) = 0, and m(s) = +½. This is NOT a ...

A: Given set of quantum number : n = 0, l = 1, m(l) = 0, and m(s) = +½. We need to identify the wrong q...

Q: What is the freezing point (°C) of a solution prepared by dissolving 50.0 g of glycerin in 200.0 g o...

A: Given data is as follows: The mass of glycerin = 50.0 g The mass of ethanol = 200.0 g The freezing p...

Q: 11. Which of the following statements are true regarding an acid-base indicator? (Select all that a...

A: Acid base indicator is the one which shows the end point or equivalence point of acid base titration...

Q: At –9.12 °C the concentration equilibrium constant K. =9.6 × 10 for a certain reaction. Here are som...

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Q: 25.  A buffer is prepared using acetic acid, CH3COOH, (a weak acid, pKa = 4.75) and sodium acetate,...

A: Buffer solution is the solution which has tendency to maintain constant pH upon addition of small am...

Q: olo Data PbCl2 1.70x10-5 PBCO3 7.40x10-14 PbCrO4 2.00x10-14 PBF2 3.3x10-8 PbI2 9.8×10-9 Pb(IO3)2 3.6...

A:  

Q: Using the equation shown, 7A+5B 3C+4D, and the standard enthalpies of formation, AH: A: 15.7 kJ mol ...

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Q: Which of these structures shows how the pictured molecule will look after it is rotated by 180°, as ...

A: Here , we need to rotate the given molecule by 180° as shown in direction of hand .   

Q: Which of the following structures represent 3-ethylhexane? Group of answer choices   CH3CH2CH(CH2CH3...

A: IUPAC is an acronym for International Union of Pure and Applied Chemistry, which is a globally recog...