We submerge a 25.0 g block of an unknown metal, initially at 97.8 °C, into 25.0 g of water initially at 24.8 °C in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 34.6 °C. What is the specific heat (in units of J/g°C ) of the unknown metal.

Q: 3. Give the electron configuration using the crystal field theory of the following complexes and…

A: Electronic configuration is arrangement of electrons in orbitals of an atom.in a compound or a…

Q: Write the complementary RNA base for each of these DNA nucleotide bases: DNA RNA…

A:

Q: In a flask 15.55g of HCl(s) was dissolved in 50.50mL of H2O. Determine its  a.) pH b.) pOH c.) [H+]…

A:

Q: The reaction Cl2(g) + CHCl3(g) --> CCl4(g) + HCl(g) proceeds through the following mechanism:…

A: Answer: Slowest step of the reaction is considered as rate determining step and total number of…

Q: Can you use IR spectroscopy to differentiate between ketones and aldehydes?

A: The general formula of an aldehyde is R-CHO or R-C(=O)-H The general formula of a ketone is RCOR' or…

Q: b. melting of ice c. boiling of water d. all of these e. none of these

A:

Q: ion 11 of 12 Consider the solubilities of a particular solute at two different temperatures.…

A: Given,  First we have to calculate the amount of solute at 20.0 °C. As, 100 g of water contains…

Q: (a) What is order parameter? Discuss the order parameter of smectic phase.

A: The order parameter is a sort of parameter that actually distinguish between the two phases that are…

Q: • Assuming that a 1.5g gas occupying a volume of 500ml at a pressure of 175 atm and a temperature of…

A: Mass of gas = 1.5 g  Volume of gas (V) = 500 mL = 0.5 L  Pressure of gas ( P)= 175 atm  Temperature…

Q: Consider a molecule of N2. for each pair of distances between the two N atoms, determine which…

A:

Q: A favorable entropy change occurs when AS is positive. What can be said about the order of the…

A: Answer: Entropy is the measure of disorderliness of the system and enthalpy is the measure of total…

Q: Consider the following data for nickel: atomic mass electronegativity electron affinity ionization…

A:

Q: K[Cr(C2O4)2(H2O)] 2H2O what is the complex ion, the coordination number, the geometry? and would you…

A:

Q: What is the Eθ cell value for a galvanic cell constructed using cadmium and copper electrodes.

A: Given:- Galvanic cell of Cd and Cu. •From electrochemical series Cd is more reactive than Cu. •Cd…

Q: ered 6 oxygen and 18 oxygen have?

A:

Q: Examine the molecule below, and select the statements that apply. If it can lose H, draw its…

A: According to Bronsted–Lowry acid base theory a conjugate acid–base pair consists of two substances…

Q: 25.0000s

A: Pls explain your problem and then kindly again share to us . Here is nothing more than one word .

Q: Differentiate the metals and nonmetals based on their: Intramolecular Bond, Intermolecular Bond, and…

A: Metals have loosely bonded valence electrons and can easily donate elctrons to other atoms .They…

Q: At 4.00 L, an expandable vessel contains 0.864 mol of oxygen gas. How many liters of oxygen gas must…

A: Avogadro's law: According to the avogadro's law equal volume of all gases have equal number of moles…

Q: O IZ Im ·N- S HO

A:

Q: Balance equation H2S(g)+O2(g)→SO2(g)+H2O(l) C6H10(g)+O2(g)→CO2(g)+H2O(g)

A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation…

Q: A Canadian, driving in the U.S.A., fuels their car at a cost of L The current monetary exchange rate…

A:

Q: Question 8: Which one of the compounds in Figure 8 is not a structural isomer of the carboxylic…

A:

Q: Data: Year # of 1998 60 2000 2003 50 Pennies/volume of Pennies, mill Ave. Volmi Ave. density Final:…

A: Here is your answer........ The Graphs were plotted in Excel.

Q: What is the pH of a solution that contains 0.2 M sodium acetate and 1.1 M acetic acid (pka=4.76)?

A:

Q: Which of these physical changes would require the liberation of energy? a. condensation of steam to…

A: Physical change - A change in which composition of substance does not change, only state of…

Q: Can you use IR spectroscopy to differentiate between an alcohol and a carboxylic acid?

A:

Q: Q14. A plot of a Langmuir adsorption isotherm (C/q. vs 1/Q.) for an adsorption process, gives a…

A: To calculate the value of Qo , we would first use the linear form equation of Langmuir adsorption…

Q: Calculate the concentration of IO3 in a 8.18 mM Pb(NO3)2 solution saturated with Pb(IO3)2. The Ksp…

A:

Q: goslarite, a hydrated zinc sulfate mineral (znso4.7h2o) is addded to 1.9 L of water to form a zinc…

A:

Q: Goslarite, a hydrated zinc sulfate mineral (ZnSO4.7H₂O), is added to 1.7 L of water to form a zinc…

A: A 2.1 M solution of zinc sulfate is prepared by adding goslarite (ZnSO4. 7H2O) in 1.7 L of water.…

Q: Neel’s unknown solid 1) dissolves in hot ethanol, 2) is essentially insoluble in hexane, and 3) is…

A: Recrystallization is a method of removing impurities from solid substances.

Q: Some measurements of the initial rate of a certain reaction are given in the table below. [N₂] [H₂]…

A:

Q: 0.390 J/gºC = 4.184 J/gºC nswer to the correct num

A: Question 14    We know ,  The amount of heat released or absorbed by a substance is  given by the…

Q: 6. A vapor volume of 1.17 L forms when a sample of liquid acetonitrile, CH3CN absorbs 1.00 kJ of…

A: Volume (V) = 1.17 L Boiling point= 81.6°C = 81.6 + 273 = 354.6 K Pressure (P) = 1.0 atm

Q: Give the functions of the following equipment in a vacuum distillation setup: -vacuum adapter…

A: Vaccum distillation is the technique used to purify the compound under reduced pressure.

Q: empirical formula of 69.94% c, 4.50%h, 20.36%o, 10.20%s

A:

Q: A solution consists of 60.3 g of potassium bromide, KBr, and 120.7 g water. (a) Calculate the weight…

A:

Q: At a certain temperature this reaction follows second-order kinetics with a rate constant of 0.047M…

A: The chemical equation is: 2HI(g) → H2(g) + I2(g)  Given the reaction follows the 2nd order kinetics.…

Q: A certain liquid has a density of 0.87 g/mL. 1.25 L of this liquid would have a mass of kg=1000 g)…

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

Q: Help me....   Explain the principles of gel permeation chromatography in Polymer, what is the…

A: Gel permeation chromatography is a powerful analytical technique used to separate dissolved…

Q: explain how the development of the Atomic Theory illustrates the Nature of Science. Support your…

A: It is asked to explain the development of atomic theory illustrating the nature of Science.

Q: At a certain temperature, the solubility of strontium arsenate, Sr3 (AsO4)2, is 0.0550 g/L. What is…

A: Given, solubility of strontium arsenate, Sr3(AsO4)2 = 0.0550 g/L Ksp = ? Note: molar mass of…

Q: Problem #3 o A given quantity of gas at a pressure of 750mmHg and a temperature of -25° C occupies…

A:

Q: Ethyl phenylacetate - Honey   Write the complete reaction Analyse the mechanism of reaction ( How…

A: The reaction of Ethyl Phenylacetate Honey is asked to write and mechanism .

Q: What functional group is present in the following compound? COCH 3

A:

Q: in the opening scene of the movie Raiders of the Lost Ark, Indiana Jones tries to remove a gold idol…

A: Answer: Given data: dgold=19.32g/cm3dsand=3.65g/cm3 Dimensions of gold idol 5inch×5inch×5inch

Q: An electrophoresis experiment is performed with a sample containing the amino acid derivative shown.…

A: To describe where does the given amino acid derivative migrate depending on the buffer used.

Q: Draw one valid Lewis structure (including all lone pair electrons and any formal charges) for CH2N2.…

A:

Q: When a single strand of DNA is making a copy of itself it uses the above code ◦ AAT CGC AGG CCA ATG…

A: