A metal sample weighing 45.2 g and at a temperature of 100.0 °C was placed in 38.6 g of water in a calorimeter at 25.2 °C. At equilibrium the temperature of the water and metal was 33.0 °C.  A) What was ∆t for the water? (∆t= t_final- t_initial)  B) What was ∆t for the metal? C) Taking the specific heat of water to be 4.18 J/g °C, calculate the specific heat of the metal. D) What is the approximate atomic mass of the metal using the equation: MM = 25/S.H.(J/g°C)

Q: B. The incomplete combustion of octane (C8H18), a component of gasoline, produces carbon monoxide…

A: Here we have to write the incomplete combustion of octane to produce carbon monoxide and water vapor…

Q: Volume (L) 100 80 60 Created by E. Lee for Virtual 40 20 100 200 300 400 500 600 700 800 900…

A:

Q: What is the difference between an electrolyte and a chemical device in The method of work and device…

A: Device Components are disposable part that work in conjunction with the device to perform a…

Q: Calculate the pH of each of the following solutions of strong acids.

A:

Q: After a radioactive decay that emits gamma radiation, the new resultant isotope has _____ mass vs.…

A: In γ -decay the nucleus changes its state from high to low energy through emission of…

Q: Which answer applies to the following statement? Some alkene addition reactions involve a concerted…

A:

Q: For each system listed in the first column of the table below, decide (if possible) whether the…

A: Firstly, the gases are mixed which will increase randomness which resulted in increasing entropy…

Q: A sample of ethanol (C2H6O) contain 3.024 g of hydrogen. How many moles of carbon in the sample?…

A:

Q: CH3CH2 C=CHCH2CH3 CH3CH2 he IUPAC name is

A: Given : We have to write the name of the given compound.

Q: Given a pressure-composition diagram of b and w what is the portion of the plot describe below? (use…

A: We are given a pressure-composition phase diagram of mixture of compound w and b . In phase diagram…

Q: The titration curve shown below was generated by titrating an unknown acid (HA) with 0.025 M NaOH.…

A: Determine what happens at equivalence point for acid and base. Then write appropriate reaction…

Q: Consider the following data on some weak acids and weak bases: acid base Bo Ka K, name formula name…

A: The given compounds are salts of given weak acids and base.  Weak base have conjugate acid salt and…

Q: 2. Write the equation for the reaction between propylamine and HBr.

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: What volume, in milliliters, of a 0.130 M Mg(OH)2 solution is need to deliver 19.7 millimoles of…

A:

Q: 1) The following alcohol dehydration at 14 mechanism. via ??? (a) ether and SN and SN' (b) alkene an…

A:

Q: Calculate the pH of a buffer that is 0.225 M HC2H302 and 0.314 M NaC2H3O2. The Ka for HC2H302 is 1.8…

A:

Q: A solution contains 6.92×10-3 M chromium(III) nitrate and 9.31×10-3 M aluminum acetate. Solid sodium…

A:

Q: B. Br N=N-N HBF., Pd(OAc), MEOH Si(OEt)3 Br Br

A:

Q: The following chemical reaction takes place in aqueous solution: Fe(NO,), (aq)+3 NaOH(aq)…

A:

Q: 1. Draw and NAME a chiral fat that is a SOLID at room temperature.

A: As you didn't write which question you want hence I'm answering first one only. Please upload again…

Q: Calculate the heat change (in kJ) for the conversion of 500 g of water vapor at 130.0°C to ice at…

A: Give: Mass of water = 500 g. Initial temperature of water = 130.0 oC And final temperature of water…

Q: Type your answer... 4 How many kilojoules (kj) of energy are released during the combustion of…

A:

Q: Calculate the pH of the following solutions: a) 0.1000 M NaOH, b) 0.1000 M CH3COOH (Ka = 1.8x10–5),…

A:

Q: Aldehydes and ketones are O A. polar molecules capable of forming hydrogen bond among themselves. B.…

A:

Q: Phosphorus (P4) and oxygen react to produce diphosphorus pentoxide.   How many grams of diphosphorus…

A: Given - Weight of phosphorus = 135.87 gm Weight of oxygen = 154.28 gm

Q: er the second set of conditions, they grew illumi Chlorella with "CO,. imination continued until all…

A: Ans. Carbon pathway in plant photosynthesis: Radioactive isotopes of carbon (14C) has been valuable…

Q: The gas modeled in the graph above has a volume of 50 cubic meters when the pressure is 100 kPa.…

A: The graph given is, Given: Pressure = 100 KPa and volume = 50 m3.

Q: What is the common name of the following compound? H. H. H.

A: -> Here CH=CH2 attached with benzene ring.

Q: How many bonds could each of the following chelating ligands form with a metal ion?

A: Given; structure of molecules

Q: Would an aqueous solution of 0.25M sodium formate be acidic, basic or neutral? Write the equation…

A: Given,  An aqueous solution of 0.25M sodium formate is:

Q: % A- vs pH 100 90 80 70 60 & 50 40 30 20 10 ... ... .. 8. 10 11 PH Use the data above to calculate…

A: The %A- v/s pH plot given is,

Q: Which of the following compounds are molecules? (You can choose more than one answer if applicable)…

A:

Q: There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first…

A:

Q: When 18.0 mL of a 2.45×10-4 M manganese(II) bromide solution is combined with 22.0 mL of a 5.02×10-4…

A:

Q: Enter electrons as e". A voltaic cell is constructed from a standard H*|H2 half cell (E°red =…

A:

Q: An aqueous buffer contains 0.595 M of an unknown acid (HA) and 0.464 M of the sodium salt (A). If…

A:

Q: In the following reaction, how many milliliters of a 0.194 M copper(II) nitrate solution are needed…

A: The balance chemical reaction :  Cu(NO3)2 (aq) + 2NaOH(aq) ---> Cu(OH)2(s) + 2NaNO3(aq)  Molarity…

Q: Describe the preparation of a 250 mL of 5 M aqueous HCl solution from a 35% (v/v) concentrated…

A: Given: Concentration of final solution = 5 M Volume of final solution = 250 mL = 0.250 L…

Q: Each of the insoluble salts below are put into 0.10 M hydrobromic acid solution. Do you expect their…

A: An acidic salt will be less soluble in acidic solution as compared to pure water. While an basic…

Q: How many bonds could each of the following chelating ligands form with a metal ion? (a)…

A:

Q: w33 Co.al M, 0.0gM, o-05M, o.07M, o.09 M) with of rainy water Prepar a series of standard salutions…

A: Prepare a series of standard solutions.....(0.01M,0.03M,0.05M, 0.07M,0.09M) with a volume of 10ml of…

Q: As partial pressure of an ideal gas approaches 0 the chemical potential approaches A. Approaches…

A:

Q: The dissociation constant of ammonia is 1.8 x 10 -5. At 0.112 M solution concentration, find the…

A: Given,  The molarity of ammonia solution = 0.112 M.  The dissociation constant = 1.8 × 10-5

Q: Answer the questions in the table below about this molecule: OH What is this molecule's chemical…

A:

Q: The C=O bond the C=C bond in alkenes. O A. as polar as B. is less polar than O C. nonpolar like O D.…

A:

Q: Use the References to access important values if needed for this question. 1. How many ATOMS of…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Draw the Lewis structure for the selenium dioxide (Seo,) molecule. Be sure to incude all resonance…

A: Lewis structure of SeO2 is

Q: Draw a structural formula for the major organic product of the reaction shown. CH3 H2C=CHCH;ĊHCH3 HI…

A: Given : We have to write the product of the given reaction.

Q: Identify 1) a starting material; and 2) reagent(s) that can be used to form a racemic mixture of…

A:

Q: 1. The density of a 2.45 M aqueous solution of methanol (CH3OH) is 0.976 g/mL. What is the molality…

A: Given : Density of methanol = 0.976 g/ml molar mass of methanol = 32.04 g/mol Molarity of methanol =…