QUESTION 14 Is this reaction endothermic or exothermic? C6H1206 +602 = 6CO2 + 6H₂O + energy endothermic exothermic

Q: Identify the class type of compound shown: HCIO3 O Weak Base Strong Base O Weak Acid Strong Acid

A: The basic definition of an acid is it is a species that can easily donate H+ . And a base is a…

Q: At 40°C, H₂O₂ (aq) will decompose according to the following reaction: 2H₂O₂ (aq) → 2H₂O(l) + O₂(g)…

A: Time-concentration data for decomposition of H2O2 is given.

Q: Using the molar enthalpies of formation and the formula, determine the change in enthalpy for the…

A: The enthalpy of formation is defined as the amount of heat released when a substance undergoes…

Q: The Pauli Exclusion Principle tells us that no two electrons in an atom can have the same four…

A: According to the Pauli Exclusion principle, no two electrons in an atom can have the same value of…

Q: What type of reaction is the following? Br₂(g) + Nal(aq) → 2NaBr(aq) + 1₂(g) Combination…

A:

Q: BEER'S LAW DEFINITION INTRODUCTION AND FULL DERIVATION NEED

A: Beer’s law is to be defined and derived.

Q: A 0.513 mol sample of NO2(g) initially at 298 K and 1.00 atm is held at constant volume while enough…

A: From 1st law of thermodynamics, we come to know that energy cannot be created or destroyed. It can…

Q: Question 7 of 8 © Macmillan Learning Alkane halogenation is a two-step reaction, as shown in the…

A:

Q: A mixture of neon and krypton gases contains neon at a partial pressure of 157 mm Hg and krypton at…

A: Total pressure , P = P1 + P2 P1 = x1P P2 = x2P P1 = partial pressure of gas 1 P2 = partial pressure…

Q: Thermite" reactions have been used for welding metal parts such as railway rails and in metal…

A: Heat absorbed by the surrounding = 227.3 kJ/molSurrounding temperature = 298.15 K

Q: Calculate G for the reaction below at 25°C under the conditions given: H2S (g, 570 torr) → H+ (aq,…

A: We have to calculate ∆G° for the reaction H2S(g,570 torr)  → H+ (aq, pH 8.73) +…

Q: resonance structure.

A: Enoltes are formed by the removal of acidic hydrogen from carbonyl compounds such as…

Q: An archeologist believes that she has uncovered a wooly mammoth skull that is 6000 years (i.e., the…

A: The question is based on the concept of radioactivity. we need to calculate rate of integration of…

Q: a) Assign oxidation numbers to the atoms in the following compounds or ions: b) Cr₂O7²- IF7 Atom Cr…

A: Oxidation: It involves Loss of electrons. Reduction: It involves gain of electrons.

Q: Nitrogen has 5 valence electrons.  What types of bonds would it form?

A: We have to find out the type of bonds formed by Nitrogen which has 5 five valence electrons.

Q: A substance that produces only a small number of ions in solution is known as a ... Nonelectrolyte…

A: Electrolytes are substances that break into ions (charged particles) when dissolved into water.…

Q: In the synthesis of hydrocarbons, the carbon source is carbon dioxide. Although the CO2 concentra?on…

A: 1) Power Plants:Power plants, particularly those that burn fossil fuels such as coal, oil, or…

Q: 3. For the following amines, pr a)

A: This is organic synthesis problem. We have to prvide necessary reagent to…

Q: Select the more stable conformation of cis‑1,2‑di(2‑methylpropyl)cyclohexane. A B C D Select the…

A: We have find out the answer.

Q: 7. What is the pH of a solution that is 0.223 M HOCN (cyanic acid, weak acid) and 0.146 M KOCN…

A: To find the pH of the solution, we need to determine the concentration of H+ ions in the solution.…

Q: 4. In the reaction below, the ketone oxygen is 180, rather than the more common ¹60 isotope. The…

A: The question is based on the concept of organic reactions.we need to correctly explain the formation…

Q: Macm Select the correct IUPAC name for the branched chain alkane. The name is:…

A:

Q: 1. a. Provide the molecular formula for the following ester. a b b. On the structure, clearly…

A: A question based on introduction to organic chemistry. 6 subdivisions are given that are to be…

Q: 4. The enthalpies, AH, for the hydrogenation of three alkenes are shown below: Alkene A: -50…

A: Heat of hydrogenation is a measure of stability of alkenes.On hydrogenation, heat is released.…

Q: Balance the chemical equation. CS₂ + NH3 H₂S+NH SCN Assume the coefficient of NH4 SCN is 1. What is…

A: A balanced chemical equation is a representation of a chemical reaction that includes the reactants…

Q: A student wishes to make a buffer that has a pH of 4.65.  The student has HNO2 and NaNO2.  Nitrous…

A: A buffer mixture is formed by the mixing of weak acid with its conjugate base or mixture of weak…

Q: Zinc sulfide reacts with oxygen according to the reaction 2ZnS(s)+3O2(g)→2ZnO(s)+2SO2(g) A…

A: Zinc sulfide reacts with oxygen gas to form zinc oxide and sulphur dioxide 2ZnS + 3O2 → 2ZnO + 2SO2…

Q: The Haber process is used to manufacture ammonia from nitrogen and hydrogen in the presence of an…

A: Energy is needed to break a bond. Energy is released by the formation of a bond. Higher the energy…

Q: The pH of a solution is 10.0 What is the pOH? pOH = 4★ What is the hydrogen ion concentration? In…

A: pH + pOH = 14 pH = - log[H+] pH > 7 , solution is basic pH < 7 , solution is acidic pH = 7 ,…

Q: 29. What happens when gasoline is burned in an automobile engine? A. potential energy is transformed…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: 7. H20 (200 mL) was titrated with EDTA (21 mL, 0.02 M). Calculate the hardness of water (Ca=40,…

A: The hardness of water is determined by the presence of amount of salt of sulphate and carbonate of…

Q: b Identify the atoms which have the following electron configurations: 1s²2s22p63s23p³4s¹:…

A: To identify any atom from its electron configuration, we need to find the…

Q: 6. Potassium chlorate decomposes upon slight heating in the presence of a catalyst, according to the…

A: a) To determine the theoretical yield of oxygen gas (O2) in the given reaction, we need to first…

Q: 10. Zn504.7H20 (1 g, 288 g/mol) was dissolved in 100 mL solution. (10) mL was titrated with 53 mL)…

A: ZnSO4.7H2O was titrated With EDTA

Q: Which compound has the smallest heat of hydrogenation?   A. 5-methyl-1,4-hexadiene B.…

A: A question based on reactions of alkene. 5 different alkenes are given that are to be distinguished…

Q: In TLC, the property used to identity a compound is... O Spotting O Visualization O Retention Factor…

A: TLC is a qualitative technique used in analytical chemistry. The compounds are identified using…

Q: % Transmittance (a.u) 100 80 60 40 20 0 4000 r Pure anhydrous CAF 3500 3000 2500 2000 Wavenumber…

A: The question is based on the concept of  IR spectroscopy. we need to assign characteristic bands for…

Q: Which one of the statements below does not properly indicate the aspects that should be considered…

A: The aspects to consider when plotting a calibration curve graph involve including a 'blank' sample,…

Q: Considering the redox reaction Cr + Ni²⁺ → Cr³⁺ + Ni, how many electrons are transferred in the…

A: we have to calculate the number of electrons transferred in the balanced equation for the given…

Q: How many non-equivalent ("different kinds of) protons are there in this compound? H₂C H₂C CH₂ Show…

A: We have to calculate no. of non-equivalent protons in the given compounds.

Q: Macmillan Learning Consider the three structures. 1,1-dimethylcyclobutane (a) Which of these…

A: The angle strain arises due to deviation from the bond angle for a particular type of hybridization.…

Q: In the equilibrium-constant expression, product and reactant concentrations are raised to an…

A:

Q: Predict the major product of the following reaction: CH₂CH₂CCI Pod AICI;

A:

Q: You prepare a buffer by mixing 0.15 mol propanoic acid (pKa = 4.87) and 0.25 mol sodium propionate.…

A: Mole of propanoic acid = 0.15 molMole of sodium propionate = 0.25 molpKa = 4.87 Mole of NaOH = 0.025…

Q: 2.50 L of a 0.300 M

A: Given: pH of solution                                               = 8.74Kb of ammonia…

Q: H2(g. 1 bar.) + 2OH(aq, 10 M), E = -0.417 v at 25 °C temperature, what is the value of Eº for the…

A: In the above questionGiven that- cell reaction : 2H2O(l) + 2e-  =====>  H2( g, 1bar ) + 2OH-( aq,…

Q: Identify the class type of compound shown: NaCl Strong Base Strong Acid O Weak Base Neutral O Weak…

A: Strong acid + strong base = neutral saltStrong acid + weak base = acidic salt Weak acid + strong…

Q: The boiling point of a substance tends to increase as the strength of intermolecular forces between…

A: Boiling point increases with increase in strength of intermolecular force.

Q: first order reaction initially contains 4.80 × 10²⁰ molecules. If the reaction has a half-life of…

A: For a first order reaction: Half-life = 0.693/rate constantAt = Aoe-kt Ao = initial concentrationAt…

Q: What is the theoretical pH of a 0.001 M HF solution? O-3 02 O 11 0 3 O Cannot be determined.

A: Hydrogen fluoride (HF) is a weak acid, and its dissociation in water can be represented by the…