Mass of can (g) Mass of can and water (g) Initial mass of food sample (g) Final mass c food sample (g) Initial temperature of water (C) Final temperature of water ("C) Mass of water (g) Temperature change of water ("C) (Do not include a negative sign) Heat gained by water (cal) (Do not include a negative sign) Heat gained by water (kcal) (Do not include a negative sign) Heat lost by food (cal) (Do not include a negative sign) Heat lost by food (kcal) (Do not include a negative sign) Mass of food burned (g) Calories per gram of food (kcal/g) Quantity 12.678 126.225 1.879 0.450 23.2 25.0

Q: 17.69 mL of the I2 solution from above is required to titrate a sample containing As2O3. Calculate…

A: The balanced equation is given as As2O3 + 5H2O + 2I2 -----> 2H3AsO4 + 4HI The number of moles of…

Q: Provide the correct systematic name for the compound shown here. N,N- 4- di 5- 2- 3- N- tetra tri…

A:

Q: An aqueous solution contains 0.315 M dimethylamine ((CH3)2NH). How many mL of 0.391 M hydroiodic…

A: Volume of hydroiodic acid required can be calculated using Henderson hasselbalch equation.

Q: Why you can't always use M1V1 = M2V2 in all titration problems?

A:

Q: Convert 125 pounds to kilograms

A: Given : mass = 125 pounds  Tip : 1 pound = 0.454 kg

Q: How many signals would you expect to see in the C NMR spectrum? ن 3 5 9 - 00 لم 8

A: C NMR is used to determine the number of sets on non equivalent carbons in the molecule.Every set of…

Q: 5. Draw the mechanism used and the products. CH 3 M Br CH3 BOCH 3 CH 3 OH, 100°C

A: E2 mechanism - Elemination reaction in which rate of reaction depends upon base and substrate  In E2…

Q: find the volume of 5.2  x 10 ^26 molecules of CH4 .  Find the volume of 56.0 grams of O2.

A: The volume of 1 mole of any substance is 22.4 L.  Similarly the no of molecules in 1 mole of any…

Q: QUESTION 4 What description of the organic product of this SN1 reaction is most accurate? ch7 d3…

A:

Q: Please explain why saturated fats are solid at room temperature whereas unsaturated fatty acids are…

A: According to the QnA guidelines, for multiple questions, only the first question should be answered.…

Q: Provide the name of the following hydrocarbon.

A:

Q: 2. Identify the functional group in each molecule shown below A) CH₂-OH B) CH OH | CH₂-OH ework 1…

A: There are various functional groups in organic compounds-  1- alcohol - the compound having -OH…

Q: The half-life of radiogold is approximately 3 days. If 1.5 g of this has been administered to a…

A: Here we are required to find radio gold remain after 9 days.

Q: 1. What is the number of unpaired electrons and net charge of the compound? 2. Draw the mechanism of…

A:

Q: The energy E of the electron in a hydrogen atom can be calculated from the Bohr formula: R₂₂ E=- In…

A: Answer:- This question is answered by using the simple concept of calculation of wavelength of the…

Q: Draw a diagram illustrating the filling of the NO, NF, and OF atoms' molecular bonding and…

A:

Q: For the decomposition of carbon dioxide into carbon monoxide and oxygen gas, the degree of disso-…

A: To find out the value of K, ∆rG°, ∆rH°, ∆rS° at 1443 K for the dissociation of carbon dioxide in to…

Q: How many molecules of F2 are needed to produce 6.52g of NaF in the reaction below?    2 NaBr + F2…

A: Given - Weight of NaF= 6.52g 2NaBr + F2 ->> 2NaF + Br2

Q: What ketone could be used to prepare 3-methylpentan-3-ol via a Grignard reaction with CH3MgBr? a.)…

A: Which one of the following is correct answer

Q: Identify the equilibrium expression for the reaction CH,CHO(g)CH₂(g) +CO(g). [CH,][CO) [CH,CHO] Ob)…

A: The given equilibrium reaction is CH3CHO (g) ⇌CH4 (g) + CO (g) The equilibrium expression for the…

Q: If 25.0 mL of 0.11 M methylamine (CH3NH₂) (Kb = 4.4 x 10-4) is titrated with 0.050 L of 0.64 M HBr,…

A: We are given that 25 ml of 0.11 M methylamine is titrated with 50 ml of 0.64 M HBr. We need to find…

Q: In the Periodic Table below, shade all the elements for which the neutral atom has a valence…

A: Given : valence electronic configuration:ns2np5  Tip : halogen group have 7 valence electrons

Q: 9 Determine the pH if 25.0 mL of 0.10 M HI solution is added to 0.041 L of a 0.20 M KOH solution…

A: Molarity, M = Moles/Volume(L) M = n/V(L)

Q: Methylamine is a weak base with K, = 4.38 x 104. 25.0 mL of a 0.50 M solution of methylamine is…

A: This given question is an simple example of acid-base titration that is titration of weak base and…

Q: Can you break down this Infrared Spectroscopy? Break down the different peaks and what they could be

A: Infrared spectroscopy deals with the study of interaction of compounds/ organic molecules with…

Q: Match the DEPT component spectrum with the information gleaned. DEPT-135 (top spectrum) DEPT-90…

A: We know that DEPT provides the information about the number of hydrogen atoms attached to the carbon…

Q: Consider the reaction C12H22O11(s)+12O2(g)→12CO2(g)+11H2O(l)C12H22O11(s)+12O2(g)→12CO2(g)+11H2O(l)…

A:

Q: O Macmillan Learning Ammonia, NH3, may react with oxygen to form nitrogen gas and water. 4 NH, (aq)…

A: Answer: Given chemical reaction: 4NH3(g)+3O2(g)→2N2(g)+6H2O(l)   This question is based on the…

Q: What are the types of supercapacitors available and how they are differentiated; explain with few…

A: The supercapacitor is called an ultracapacitor because it has a higher capacitance value than other…

Q: C. HINT: There are four products. Br HOCH₂CH3 d. HINT: There is one product. NaSH acetone

A: In nucleophilic substitution reaction, a strong nucleophile displaces a weak nucleophile.  These are…

Q: For PO3- 1) what is the molecular structure (using wedge and dashed line) 2) draw structure of all…

A: There are different ways to represent the molecule , one of the way is wedge - dash line . This is…

Q: Write a balanced equation for each reaction and determine which substance is oxidized and which…

A: Since, In redox reaction, Oxidation and reduction reaction both takes place simultaneously. In…

Q: WHAT IS GRIGNARD REACTION? WHAT CONSTITUTES A GRIGNARD REAGENT? 6. WHAT IS KETO-ENOL…

A:

Q: During lab, a student mixed 25 mL of 1.0 M H3PO4 with 75 mL of 1.0 M NaOH. Using the equation below,…

A: Answer: When acid and base reacts, neutralization reaction takes place and heat gets released during…

Q: In this diagram of the first step in the reaction catalyzed by the protease chymotrypsin, the…

A: In step-1 base abstracts the proton from the serine  In step-2 oxide ion from the serine attacks the…

Q: Plutonium-239 has a decay constant of 2.88×10−5 year−12.88×10−5 year−1.What percentage of a 239Pu…

A:

Q: Determine the formal charge on each atom in the structure.

A:

Q: When CH2MaBr adds to acetone, what is the product? a.) Isopropyl alcohol b.) 2-methvloropene c.)…

A:

Q: 2. Predict the transition metal-containing products of the following reactions and label which type…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: List each substituent on the main chain of this organic molecule on a separate row of the table…

A:

Q: Please show complete solution and given 1. For each of the following pairs of variables, which…

A: In first question we used the ideal gas equation-  PV  = nRT  in the second question used the Boyle…

Q: Calculate the pH change that results when 11 mL of 5.1 M NaOH is added to 790. mL of each the…

A:

Q: 325mg of acetylsalicylic a weak acid. The Ka of this acid is 3.69 x 10-4. a. Give the equation for…

A: 1) Aspirin (HC9H7O4):                          HC9H7O4 <----> C9H7O4 - + H+  2) 2 tablets in…

Q: In mass spectrometry, alpha cleavages are common in molecules with heteroatoms. Draw the two…

A: “Since you have asked multiple questions, i will solve the first question for you. If you want any…

Q: Predict whether each of the following bonds is ionic, polar covalent, or nonpolar covalent. Drag the…

A: The nature of bond can be predicted with the help of electronegativity difference of bonded atoms.…

Q: What is the difference between a cylinder and a test tube? O 1.The cylinder is made of glass and the…

A: What is the difference between a cylinder and a test tube?  The correct option is --> 2.The…

Q: 1. Draw structure of the following compounds? A) ethyldimethylamine B) N,N-dimethylbutanamide C)…

A:

Q: Which of the following alcohols will not be oxidized in a reaction using potassium permanganate? 1.…

A:

Q: .a)The 1H NMR, 13C NMR, and the IR spectra of compound 2 are shown below. The molecular formula is…

A: Ozonolysis is reaction in which alkene is converted into corresponding carbonyl compounds either…

Q: 14 TC TC, Determine the volume at STP occupied by 9.95 kg of methane gas, CH4. 9.95kg/1000g)

A: 10.) First we need to calculate the moles of methane from given mass.    Note : Since you have…