The molar heat of combustion, A Hi, of sucrose is -5643.4 kJ mol-1. If 0.250 moles of sucro: reactor, and the heat released by the reaction is allowed to be absorbed by the surroundings

Q: What is N3− classified as? Group of answer choices strong acid weak acid strong base weak base salt...

A: Given,  N3− 

Q: 2. Consider the following Eewis symbols for elements X and Y. a. What are the Group numbers of X and...

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Q: Assign the important peaks in the IR spectrum below and identify the name of the functional group. 3...

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Q: Consider the reaction: 2Sb(s) + 312(s) → 2Sbl3(s). Determine the limiting reactant and the theoretic...

A: First of all we will calculate moles of SB and I2. Limiting reagent is that substance which is prese...

Q: Leone dissolves 25 grams of glucose into 455 mL of water. What is the mass percent of this solution?

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Q: Methane (CH4) burns according to the equation CH4 (g) + 2 O2(g) ➞ CO2(g) + 2 H2O(l) with the liberat...

A: Given :-  CH4 (g) + 2 O2(g) ➞ CO2(g) + 2 H2O(l)  Heat released = 990 kJ  To calculate :-  Amount of ...

Q: 1) m-СРВА 2) CH30 3) TSCI

A: ->-OTs is good leaving group.  

Q: Earth’s atmosphere by volume. What is the partial pressure of argon  when the total pressure is 760 ...

A: Total pressure = 760 mm Hg Mole fraction of Argon = 0.0093  Partial pressure = mole fraction × Total...

Q: Will mixing 100. mL of 0.10 M HCl and 100. mL of 0.30 M

A:   Buffer solution :  the solution which resists its pH by addition of small amount of strong acid (o...

Q: Explain the difference between the experimentally derived rate of reaction and a theoretical one. Us...

A: A question based on kinetics of reactions in solution that is to be accomplished.

Q: Complete the reaction scheme below with the missing structure and any other necessary reagents. You ...

A: The answer is as follows:  

Q: As pure elements, all of the halogens are diatomic molecular species. Their melting points are: F2, ...

A: Astatine is a member of halogen group having no stable isotope.

Q: SnO2  +  H2   ? Sn  +  H2O

A: The balanced equation is-  SnO2 + 2H2 = Sn + 2H2O

Q: Type of bond

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Q: Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C ...

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Q: Provide an arrow-pushing mechanism for the following reaction. The first half of the mechanism invol...

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Q: H,C CH3 CH H,C -CH Н. Give the following: parent name: Cubctituontc:

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Q: A sample of gas is manipulated so that its temperature (in K) triples and its volume is reduced to o...

A: An ideal gas will follow the ideal gas equation. The ideal gas equation is given by PV=nRT, where P,...

Q: Which of the following undergoes a substitution reaction with sodium cyanide in DMSO at the fastest ...

A:

Q: Calculate the standard enthalpy change for the reaction 2C8H18() + 1702(g)- 16CO(g) + 18H20(). Given...

A:

Q: A silver block, initially at 51.0 °C, is submerged into 100.0 grams of water at 25.3 °C in an insula...

A: q = m c ∆T q = Heat change in the reaction m = mass c = specific heat Ti = initial temperature Tf = ...

Q: What is the principal quantum number (n) for the valence electrons in lead?

A: Quantum numbers can be defined as the set of 4 numbers that help us to know about the electrons pres...

Q: 100g of two unknown metals are presented. You take a blow torch to both for 10.00s. You notice that ...

A:     100 kg of two unknown metal are heated for 10 .00 sec, using a blow torch. Metal A is incredibly...

Q: Given the following data: N2(g) + O2(g) → 2NO(g) ΔH = +180.6 kJ 2CO2(g) + N2(g) → 2CO(g) + 2NO(g) Δ...

A: According to Hess Law, if a chemical reaction can be expressed as the sum of two or more chemical re...

Q: Use standard enthalpies of formation to calculate AH°rxn for the following chemical reaction: 3NO2 (...

A:

Q: Contrast the average reaction rate with the instantaneous reaction rate. Use the paperclip button be...

A: The ratio of the change in concentration of the reactant or the product with the time interval of a ...

Q: In the design of H2 antagonist, the polar guanidine group was proposed to interact with the antagoni...

A: Introduction :  Drug design is the inventive process of finding new medications based on the knowled...

Q: Answer the following question: What is the macroscopic feature of a system based on the options you ...

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Q: In a liter of 0.2F solution of propionic acid, HC3H$O2 it has ionization constant of 1.34 x 10-3, ca...

A: The formality solution is the number of formula mass of any solute dissolved in 1 litre of solution....

Q: The rate of a certain reaction is given by the following rate law: rate-k[N,][0,] %3D Use this infor...

A: To solve this problem we will use the given rate law .   

Q: At a particular temperature, Kc of the following reaction is 0.72 NO(g) + H,(g) 2 --N, (g) + H,0(g) ...

A: This is the concept of chemical equilibrium

Q: Enter your answer in the provided box. Calculate the average atomic mass of chlorine. The percentage...

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Q: Determine the number of hydrogen atoms.in a compound which has 1 ring and 5 double bonds. C11H;CI2N2...

A: Given: Number of carbon atoms in the compound = 11 Number of chlorine atoms in the compound = 2 Numb...

Q: Clikk in the ansner box to activate the palette. Determine the ompirical formula of a compound havin...

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Q: Select the element, from the halogens, with the lowest 1st ionization energy? Which of the listed e...

A: 1. Select the element, from the halogens, with the lowest 1st ionization energy? Answer- Iodine beca...

Q: Calculate the quantity of heat required to raise the temperature of 60.0 g of water from 22.1 °C to ...

A: Specific heat capacity is amount of heat capacity is required to raise temprature of one gram substa...

Q: QUESTION: What is the total number of d electrons in a single (ground state) K atom?

A: Atom K = potassium  Atomic number of potassium = 19 Hence potassium has 19 electrons 

Q: Gaseous ethane (CH,CH,) will react with gaseous oxygen (0,) to produce gaseous carbon dioxide (CO,) ...

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Q: Predict the molecular structure, bond angles, and polarity (dipole moment) for each of tl Formula Mo...

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Q: Which molecule has the greatest number of unique protons? How many unique protons does each molecule...

A: Unique protons means the different types of chemically equivalent protons present in molecule. These...

Q: Determine if 4-Chloro-2-pentyne is correct. If incorrect, provide the correct IUPAC name. SUBMIT YOU...

A: We have to correct the IUPAC NAME of the following compound. Some points necessary while writing IUP...

Q: SET B: Five liters of air initially at 550K and 450 kPa is used in a Carnot engine and expanded to 1...

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Q: 1.How many grams of disodium EDTA is needed to prepare a 350mL solution?   2.What is the molecular w...

A: Experiment is about EDTA.

Q: Calculate AStot for the evaporation of 165 mol of persons sweat. Because the persons temperature doe...

A: Entropy of the substance is  amount of  energy that is present in the system but unavailable to do w...

Q: 4.The elementary and irreversible reaction 2A B+C takes place in 50°C and the rate constant is 1 min...

A: Given elementary reaction is :  2A -----------> B + C  Rate constant = k = 1 min-1 M-1  Initial m...

Q: What is the molecular weight of a gas if 2.50 g of the substance occupies 500 mL at 127 ˚C and 912 t...

A: Answer: This question is based on the ideal gas equation which is shown below: PV=nRThere:P=pressure...

Q: 3. Place a piece of magnesium ribbon at the end of a glass tubing. Ignite it in the Bunsen flame. a....

A: Given: a piece of magnesium ribbon is burnt by bunsen flame

Q: Rank the following molecules in order of increasing pKa (lowest pka to highest pKa). OH OH OH -F (1)...

A:

Q: moles

A: The total pressure exerted by the mixture is the sum of the partial pressure of each gas.  So to cal...

Q: 16.04g

A: