How much heat is needed to convert 325 g of water at  -18.0 °C to water at 100.0 °C?

Q: The preparations of two aqueous solutions are described in the table below. For each solution, write…

A: We have to give the answer of the following table Introduction: We know that an acid forms a…

Q: Be sure to answer all parts. Find the pH of the equivalence point and the volume (mL) of 0.125 M HCI…

A: Well, we know NH3 is a weak base and HCl is a strong acid. So, it is the titration between a strong…

Q: Given the following unbalanced reaction: Al³+(aq) + Br−(aq) ⇒ Al(s) + Br₂(1) How many electrons are…

A: The question is based on the concept of redox reactions. In redox reaction one element gets oxidized…

Q: Combustion of hydrocarbons such as pentane (C-H₁2) produces carbon dioxide, a "greenhouse gas."…

A: The combustion of pentane can be represented by the following chemical equation:

Q: Predict the molecular geometries of all the following compounds using VSEPR: a) SiF4 b) OF₂ c) OCF₂…

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Q: In which one of the following molecules does sulfur have the smallest oxidation number? A) SO, B)…

A: To solve this problem we have to calculate the oxidation state of sulphur in each compound.

Q: The airbags that protect people in car crashes are inflated by the extremely rapid decomposition of…

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Q: h. 7 Manh HNO, H₂SO4

A: The product of the given reaction are shown below.

Q: 1. Ethanol (C₂H5OH) is produced from the fermentation of sucrose (C12H12011) in the presence of…

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Q: How many grams of zinc are in 2.055 mol of zinc?

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Q: Be sure to answer all parts. Draw both the Syl and El products of the following reaction. The Syl…

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Q: (iii ) Using benzoyl chloride (C_(6)H_(5)COCl ) General Reaction:

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: Consider the following system at equilibrium where AH = -111 kJ, and K = 0.159, at 723 K: N₂ (9) +…

A: The given equilibrium is N2(g) + 3H2(g) ⇔2NH3(g) According to Le Chateliar's principle, a reaction…

Q: How many grams of solid potassium nitrite should be added to 1.00 L of a 0.221 M nitrous acid…

A: Using Henderson hasselbalch equation, we have:    For acidic buffer:    pH = pKa + log[salt]/[acid]

Q: 8. Synthesis Design a synthetic route to perform the transformations shown below. You may use any…

A: “Since you have posted multiple questions, we will provide the solution  only to the first question…

Q: C. The vapor pressure of benzaldehyde at 97 °C is about 60 mm Hg. Assume atmospheric pressure is 760…

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Q: Rank the following carbonyl containing compounds from the least reactive towards a nucleophile…

A: In the given question, we have to arrange the structures in order of reactivity towards nucleophile.…

Q: The following thermochemical equation is for the reaction of P4010 (8) with H₂O(l) to form H3PO4…

A: Given reaction is, P4O10 (s)  + 6H2O (l) ---> 4H3PO4      ΔH = -453 KJ  given energy= 94.2 KJ…

Q: 11. Classify the following amines as primary (1° ), secondary (2°), or tertiary (3⁰): NH₂ a. d. CH3…

A: Amines are the organic compound having -NH2 functional group. Amines are classified into three…

Q: The reaction of hydrogen chloride (g) with oxygen (g) to form water(g) and chlorine(g) proceeds as…

A: The given chemical reaction is- 4HCl(g)+O2(g)→2H2O(g)+2Cl2(g) The heat evolved is 10.4 kJ The mass…

Q: You may want to reference (Pages 338-340) Section 10.5 while completing this problem Calculate the…

A: Since, At 25 °C, [H3O+] [OH-] = 10-14  Then,

Q: Decide whether the Lewis structure proposed for each molecule is reasonable or not. molecule BC13 13…

A: The molecules given are BCl3, I3− and SF3−.

Q: For cadmium, Cd, the heat of vaporization at its normal boiling point of 765 °C is 100.0 kJ/mol.…

A: Answer: During the phase transition temperature of the system remains constant. Given data:…

Q: ) Fill in the red box(es) with the missing reactant(s), reagent(s), product(s), solvent, and/or…

A: In organic chemistry, hydrolysis is simple and common reaction. The diols and dioxane are hydrolysed…

Q: Methane is produced in the human gut during digestion. As it passes through the digestive tract, it…

A: Mass of oxygen and mass of water can be calculated using the stoichiometry of balanced reaction.

Q: f. e. ? H ㅅㅅ Cu Li (H* workup) 1 EQ Br2 CH3CO2H

A: The question is based on organic reactions.       we need to identify the product formed and explain…

Q: The pH of an aqueous solution of 0.0319 M potassiumnitrite, KNO2, is This solution is (Assume that…

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Q: If two reactions had AG = -6.7 kJ/mole (reaction #1), and -51.9 kJ/mole (reaction #2), which would…

A: The ΔG values for two reactions are given as −6.7 kJ/mole and −51.9 kJ/mole.

Q: Three samples of three different gases are listed in the table below. All the samples contain…

A: The ideal gas equation gives the relation between pressure, volume, temperature, and the number of…

Q: On the weak acid/strong base titration curve, label A. the point where the pH corresponds to a…

A: Answer: Given curve is the titration curve of weak acid and strong base where weak acid is analyte…

Q: A solution containing 1.178 g of a triprotic acid H3A was titrated with NaOH. It required 90.00 mL…

A: The balanced equation for the titration is H3A (aq) + 3NaOH(aq) →Na3A (aq) +3H2O(l)

Q: Determine the AG in KJ for a voltaic cell made of a Ag strip and an Al strip immersed in 1.0 M…

A: Greater the value of standard reduction potential of a redox couple , stronger be the oxidizing…

Q: 6. State the type of inhibition in the following: a. The inhibitor has a structure that is similar…

A: 6. a)The inhibitor has a structure that is similar to substrate, As they have a structure resembling…

Q: QUESTION 8 How many different values of my are possible in the 6d sublevel? 3 2 8 5 0 QUESTION 9 How…

A: 1) Different value of mL in 6d sub shell . there should be 5 possible value of mL  -2,-1,0,1,2 .…

Q: For the following acid-base reaction H₂S(aq) + CN⁻(aq) ⇌ HS⁻(aq) + HCN(aq) ∆H° = -24.7 kJ/mol and…

A: Given: The molarity of 100 mL NaCN is 0.0450 M. The molarity of 100 mL H2S is 0.0450 M. The enthalpy…

Q: 6KOH+Co3(po4)2=2k3po4+3co(oh)2 Using the balanced equation from reaction 1, if you start with 7.5…

A: Given, 6KOH + Co3(PO4)2 ---> 2K3PO4 +3Co(OH)2 moles of potassium hydroxide (KOH) = 7.5 mol moles…

Q: Suppose a 500. mL flask is filled with 1.5 mol of H₂ and 1.2 mol of Cl₂. The following reaction…

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Q: Calculate the amount of moles in 6.9341g of NaHCO3

A: To calculate the amount of moles in 6.9341g of NaHCO3, we first need to know the molar mass of…

Q: how did you get the answer for part a: (s)-butan-2-ol , and how did you get the answer for part b

A: It is a follow up question.

Q: Select the single best answer. Consider the steps in coal gasification: C(coal) + H₂O(g) → CO(g) +…

A: Coal reacts with steam to form methane and carbon dioxide as final.products.

Q: Example #1 BaCO3 Write the Ksp equation AND the chemical equation for each of the following Ksp =…

A: Solubility product constant (Ksp): When a slightly soluble ionic compound is mixed with water,…

Q: Complete the a and 3 anomer of o-altrose in pyranose ring form (Figure 1) Figure HO H- H- H- O C-H…

A: We know that pyranose form of sugar is a six membered ring containing five carbon atoms and one…

Q: An 80.0 g sample of metal, initially at 96.0 °C, is placed into 150.0 g of water initially at 26.0…

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Q: What is the frequency of green light that has a wavelength of 533 nm? (c = 3.00 x 10⁸ m/s)

A: Given Wavelength = 533 nm c = 3.00 x 108 m/s

Q: U. Tink 15. Draw the condensed structural formulas for the carboxylic acid and amine O of needed to…

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Q: 21.7 Draw the product for the following intramolecular Claisen rxn. ORN

A: Claisen reaction :- when an ester is treated with a base it abstract alpha proton forming an anion…

Q: A 7.00 L tank at 9.47 °C is filled with 6.90 g of dinitrogen difluoride gas and 5.31 g of chlorine…

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Q: Illustrate Williamson synthesis by giving chemical reaction   Plz only give in five sentences only…

A: When an alcoxide ion reacts with alkyl halide it forms ether. This reaction is known as williamson…

Q: H Br H₂CH₂C H H Br t-BuOK t-BuOH 'Br NaCN DMF CH3 H CH₂CH3 (CH3)3CO

A: These are examples of substitution and elimination reactions. Mechanism of all these reactions are…

Q: nisms Draw complete arrow-pushing mechanisms for the following reactions. cat. H₂SO4 8

A: Carbonyl compounds reacts with primary amine to give imine as the product. Carbonyl compounds reacts…