Calculate the energy required to heat 569.0 g of silver from -2.6 °C to 19.2 °C. Assume the specific heat capacity of silver under these conditions is 0.235 J·g ''K -1 -1 . Round your answer to 3 significant digits. x10

Q: sample of a gas occupies a volume of 350 mL under a pressure of 0.75 atm. If the temperature is held...

A:

Q: Given: Enthalpy of atomisation of calcium =+ 178 kJ First ionisation energy of calcium =+590 kJ Seco...

A:

Q: At 25 °C, Kc = 0.145 for the following reaction in the solvent CCI4. 2BRCI Br2+ Cl2 A solution was p...

A:

Q: For nos. 4 - 7: Consider a saturated solution of barium iodate in 0.025 M BaCl2. Ba(1O3)2(s) = Ba2* ...

A:

Q: Which of the following energy diagrams represents the slowest reaction? reaction coordinate reacion ...

A: The reaction which has highest activation energy, is the slowest reaction.  

Q: One liter of a 1g/ml NaOH solution has more Na molecules than K molecules in one liter of a 1g/ml KO...

A:

Q: Write the equilibrium expression for Ca2+ + 2Cl- ⇌ CaCl2 with activity coefficients.

A:

Q: Cation Anion Compound Formula Name Symbol Symbol Caso AKNO Na co Pb(OH), Mg3(PO,)2 CUCN KCIO AGCIO, ...

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 480.0 mg sample...

A: Given: Mass of mercury=480.0 mg=0.4800 g Temperature change, ∆T=(48.8+273)-(35.2+273)=13.6 K Heat ne...

Q: Consider the following reaction: NH4HS(s)=NH3(g)+H2S(g)NH4HS(s)=NH3(g)+H2S(g) An equilibrium mixture...

A:

Q: compound of thallium and iodine crystallizes in a simple cubic array of iodide ions with thallium io...

A: A compound of thallium and iodine crystallizes in a simple cubic array of iodide ions with thallium ...

Q: ОН H, SO, → product Step 1: Use curved arrows to complete the Step 2: Use a curved arrow to show the...

A:

Q: The ?a of a monoprotic weak acid is 0.00439 M . What is the percent ionization of a 0.105 M solution...

A: Given data : Ka of monoprotic weak acid = 0.00439 Concentration of weak acid [HA]o = 0.105 M

Q: What is the minimum mass of Mg(NO3)2 that must be added to 1.00L of a 0.760 M HF solution to begin p...

A: Let us solve this question step by step. 

Q: Write the chemical reactions involving Fehling's reagent, acetaldehyde, benzaldehyde, and propanone.

A: Reaction of Fehling's reagent with  acetaldehyde, benzaldehyde, and propanone are given below

Q: Glass A contains 2 liters of alcohol, and the rest is water. Glass B contains 2 liters of 40% alcoho...

A: Given: Glass A has 2 L of alcohol. Glass B has a total of 2 L solution with 40 % alcohol. And glass ...

Q: specific metal has an atomic weight of 180 g/mol and g/cm3. It has a BCC structure. Find the atomic ...

A:

Q: determine the Kp value for: SO2(g) + 1/2 O2(g) ⇌ SO3(g) Answer: Kp = 1.9 atm-1/2 *I know how to g...

A: Given reaction : 2 SO3 (g) ⇌2 SO2 (g) + O2 (g) Kp = 0.29 atm Reverse the reaction, we get 2 SO2 (g) ...

Q: You are given 6 mL of a solution that contains silver, lead (II), and copper (II) ions. The molarity...

A:

Q: Iron(II)-silver ions system Test Reagent Net Ionic Equation (for positive test result) Observations ...

A: We are given the reagents to add Fe2+(aq), Fe3+(aq) and Ag+(aq) and we have to write the observation...

Q: The mass ratio of the dissolution of an organic solute to benzene is 6.5:706.25 at 25°C and found to...

A: Mass ratio of organic solute to benzene = 6.5 : 706.25 Increase in boiling point of solvent = 0.469 ...

Q: What would be the major product obtained from the reaction of Br2 with 1-butene if the reaction were...

A: This is bromination reaction. Alkene react with bromine to give dibromo compound

Q: CH3 Br NO2

A: To find the reagent to form 2-bromo-4-nitrotoluene from benzene.,

Q: O Home 6 Jamie Powers Blackboard Course Materi... A Convert JPG t... Question 2 of 6 Determine the m...

A:

Q: What is the total number of valence electrons represented in the Lewis structures of each of the fol...

A: What is the total number of valence electrons represented in the Lewis structures of each of the fol...

Q: n2+2o2= n2o4. if 15.0g of N2O4 was produced, how many moles of o2 were required

A:

Q: When 11.0 g of CaCl2 dissolves in 45.0 g of water, what is the boiling point of the solution? Kb=0....

A: Elevation in boiling point is colligative property. Colligative properties are those which depend up...

Q: Please answer question below

A: Since you have posted multiple questions, the answer for first question is given below. Kindly repos...

Q: 1) Create a buffer solution of pH= 4.00 from 1M acetic acid (HA)and 1 M sodium acetate (NaA) solutio...

A: 1. Solution - According to the question - Given - pH=4.00 For acetic acid pKa=4.76  Henderson-Hassle...

Q: what does having a DBE(double bond equivalent) of 6 indicate when working with spectroscopy graphs?

A: DBE or double bond equivalent or LU or level of unsaturation is the number of unsaturations present ...

Q: e. Describe the movement of all the different types of charges in the solution. f. Explain why a bat...

A: Here we are electroplating copper metal(Cu) over an iron nail(Fe).  This is possible when we put the...

Q: The interaction of light with a molecule depends on characteristics of the molecule.  The presence o...

A: The interaction of light with a substance depends on characteristics of the molecule because every m...

Q: 4. Lithium dihydrogen phosphate 5. Magnesium phosphate 6. Manganese (IV) oxide

A:

Q: Potassium and Sulfide ions are isoelectronic. Explain the term isoelectronic with reference to these...

A: Atomic number of potassium = 19  Atomic number of sulfur = 16

Q: When you react ammonia with a halogenated Alkane will you get only one organic product? Why or why n...

A: When you react ammonia with a halogenated Alkane you will get only one organic product and an inorga...

Q: Which of the following is true concerning the cyclization of sugar?

A: For cyclisation of a sugar a nucleophilic  oxygen attack the aldehyde or ketone group and produces a...

Q: RIGEROUS OX CH3-CH,- OH A) MILD OX B) H*/140°C 2 CH — CH—он C) H20 H* D) H,0 + A) CH3-CH2-OH

A:

Q: 3. For each of the reactions below, redraw the alkyl halide with the correct stereochemistry as indi...

A: Rules for R-S notation: - Find the chiral carbon( the carbon that is directly connected with four di...

Q: An ideal gas in a tank at 500°C and 100 kPa is compressed isothermally to 1000 kPa. What was the wor...

A: Isothermal process are those process which are carried out at constant temperature.

Q: The pH of an aqueous solution of 0.555 M methylamine (a weak base with the formula CH3NH2) is .

A: Here we have to determine the pH of 0.555M aqueous solution of CH3NH2 ,Kb (CH3NH2) = 4.47×10^-4 .  

Q: 4. Given the mechanism of the combustion process below, find the rate law expression of the unstable...

A: The steady-state approximation is a method used to derive a rate law. The method is based on the ass...

Q: When 0.200 mol of CaCO,(s) and 0.300 mol of CaO(s) are placed in an evacuated, sealed 10.0-L contain...

A: Limestone is a sedimentary rock made of calcium carbonate (CaCO3), usually in the form of calcite or...

Q: 5. What is the activity coefficient of Ba2+?

A: Given-> Molarity of BaCl2 = 0.025 M  

Q: If you know that the density of electrons along the x-coordinate increases according to the relation...

A: Diffusion current density for an electron is defined as,                       Jd  =q.De.dn(x)dxWher...

Q: A chemist prepares a solution of potassium chloride (KCI) by measuring out 0.22 g of KCl into a 250....

A:

Q: allyic 3. CI e) CICH2CH2C(CH3)3 1° alyik f) (CH3)2CCICH2CH3 3° allylic g) CICH2C(CH3)CH2CH3 h) (CH3)...

A: Primary carbon in which it ia attached to one carbon and if there is any group is present for exampl...

Q: What is the correct order of stability of the following carbocations (more stable > less stable)? 1 ...

A: Given carbocations :    

Q: Explain the meaning of the following: (a) Esterification (b) Saponification (c) Enantiomers

A: The given terms: (a) Esterification (b) Saponification (c) Enantiomers The meaning of the provided t...

Q: In the old pharmaceutical system of measurements, masses were expressed in grains. There are 5.760 1...

A: 1 lb = 453.592 g = 453592 mg Given, 1 lb contains 5.760103 grains.Each tablet contains 5 grains of i...

Q: The Kjeldahl method was used to determine the nitrogen content of a soil sample. 25 g soil sample wa...

A: Mass of soil sample = 25 g Molarity of HCl = 0.05 M Volume of acid added = 10 mL Molarity of NaOH = ...