A silver block, initially at 57.9 ∘C, is submerged into 100.0 g of water at 24.6 ∘C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 27.2 ∘C What is the mass of the silver block? The specific heat capacities of silver and water are 0.235 and 4.18 J/(g ºC), respectively.    Express your answer to two significant figures and include the appropriate units

Q: 1. A 5.000 g sample of methanol, CH,OH, was combusted in the presenmce of excess oxygen in a bomb…

A: The given data : The mass of methanol = 5.000 g The mass of water = 4000 g The initial temperature…

Q: A sample of nickel is heated to 99.8C and placed in a coffee-cup calorimeter containing 150.0 g…

A: Heat change in a body is depends on the mass and temperature change of the body. heat change = mass…

Q: A water bath is used to heat flammable chemicals in the laboratory while avoiding the risk of…

A: Heat is transferred from the higher temperature to lower temperature is called as the thermal energy…

Q: A quantity of 1.435 g of naphthalene (C1oHe), a pungent-smelling substance used in moth repellents,…

A: Molecular weight of naphthalene = 120+8 = 128 gm/mol  So, 1.435 gm naphthalene = (1.435/128) mol =…

Q: A 25.0 mL sample of 1.0 mol/L aqueous solution of hydrochloric acid, HCl(aq), was mixed with 25.0 mL…

A: Heat energy, also known as thermal capacity, is a physical property of matter that is defined as the…

Q: 1.45 grams sample of acetic acid, HC2H3O was burned in excess oxygen in a bomb calorimeter. The…

A: moles of acetic acid = 1.45 g / 60.05 g mol-1 =0.02414 mol heat released is equal = q1 heat absorbed…

Q: A 30.0 g sample of water at 280. K is mixed with 30.0 g of iron at 330 K. The final temperature of…

A:

Q: A 30.5-g sample of an alloy at 93.0oC is placed into 50.0 g of water at 22.0oC in an insulated…

A: Given that, Mass of alloy, Malloy = 30.5 g = 0.0305 Kg Initial temperature of alloy, Tinitial-alloy…

Q: A 5.000 g sample of methanol, CH3OH, was combusted in the presence of excess oxygen in a bomb…

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

Q: 0.15 moles of hydrochloric acid was neutralised by 0.50 moles of sodium hydroxide solution in a…

A: i) HCl is a strong acid while NaOH is strong base, so when they react with each other, they undergo…

Q: In a coffee cup calorimeter, a student adds 2.50 g of calcium, followed by addition of 50.0 mL of…

A:

Q: A 140.0-g sample of water at 25.0°C is mixed with 111.7 g of a certain metal at 100.0°C. After…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: A 25.0 mL sample of 0.5 M AgNO3(aq) is mixed with a 25.0 mL sample of 0.5 M NaCl(aq) in a…

A: Enthalpy of reaction ∆Hrxn is calculated below.

Q: A 25.0 mL sample of 0.5 M AgNO3(aq) is mixed with a 25.0 mL sample of 0.5 M NaCl(aq) in a…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: A piece of chromium metal with a mass of 24.55 g is heated in boiling water to 98.3 °C and then…

A: Here we are required to find the specific heat capacity of Chromium

Q: Two aircraft rivets, one iron and the other copper, are placed in a calorimeter that has an initial…

A: Given: Initial Temperature=20°C

Q: A 31.55 g iron rod, initially at 22.7 °C, is submerged into an unknown mass of water at 63.2 °C, in…

A:

Q: Calorimetry calculations often assume no heat exchange between the calorimeter and the surroundings,…

A: The physical change or heat of a chemical reaction as well as heat capacity is determined by the…

Q: A sample of nickel is heated to 99.8°C and placed in a coffee-cup calorimeter containing 150.0 g…

A: The equation used to calculate heat released or absorbed follows:        ......(1) where, q = heat…

Q: A piece of metal of mass 12 g at 107 ◦C is placed in a calorimeter containing 55.7 g of water at…

A: Given : Mass of water = 55.7 g Mass of metal = 12 g Initial temperature of water = 20 oC Final…

Q: 5. 25 cm3 of 1.0 M hydrochloric acid and 25 cm3 of 1.0 M sodium hydroxide solution both at initial…

A: Q = m . s . (T2 - T1) Molar heat of neutralization = Q/Numbe of moles of acid or base Number of…

Q: Suppose two 45-g ice cubes are added to a glass containing 500 cm3 of cola at 20,0°C. When thermal…

A: · Two 45 grams of ice cubes are added to a glass containing 500 cm3 of cola at 20.0°C· When thermal…

Q: In order to determine the heat capacity of their latest phone, CrabappleTM engineers cool the phone…

A: Heat absorbed by phone = heat given by the calorimeter C1× Change in temperature of phone = C2 ×…

Q: A 50.0 mL sample of 0.5 M AgNO3(aq) is mixed with a 50.0 mL sample of 0.5 M NaI(aq) in a…

A:

Q: A 2.885 g sample of methanol, CH3OH, is combusted in a bomb calorimeter. The temperature of the…

A: The mass of methanol is 2.885 g. The increase in temperature is 11.38 K. The molar mass of methanol…

Q: A piece of iron (mass = 25.0 g) at 398 K is placed in a styrofoam coffee cup containing 25.0 mL of…

A: Given,Mass of iron (m1) = 25 gInitial temperature of iron (Ti) = 398 KSpecific heat capacity of iron…

Q: A piece of chromium metal with a mass of 24.64 g is heated in boiling water to 98.3 °C and then…

A: The relationship between heat and change in temperature can be expressed by the equation given…

Q: In a constant-volume calorimeter containing 1500.0 mL of water, a 143.9-gram piece of iron (Fe) rod…

A: Given: Volume of water = 1500.0 mL  Mass of iron = 143.9 g. Initial temperature of water = 17.11 oC…

Q: What is the final temperature (in K) of 2.630 g of water with an initial temperature of 293.2 K…

A: Given: The initial temperature of the water, (T1) = 293.2 K. The mass of water, (m) = 2.630 g The…

Q: An experiment is carried out where 12.2g of NaOH is dissolved in 240.0g of water in a coffee cup…

A: The experiment is the measurement of heat of dissolution of NaOH.

Q: The aluminum cup inside your calorimeter weighs 41.55 g. You add 59.21 g of 1.0 M acetic acid…

A:

Q: periment, a 1.0150 g sample of L-asorbic acid is burned completely in a bomb calorimeter. The…

A: the heat absorbed or released by a substance is guided by the heat capacity.q=mcTf-Tim is mass of…

Q: 4. A 505 gram piece of copper tubing is heated to 99.0 °C and placed in an insulated vessel…

A: Heat capacity: The amount of heat required to increase the temperature of a substance by one-degree…

Q: A 837837 g copper pan is removed from the stove at a temperature of 150 °C. It is then stacked on…

A: Answer Final temperature         = 193.52 K (or) -79.63 °C Formula…

Q: A 32.6 g iron rod, initially at 22.7°C, is submerged into an unknown mass of water at 63.3 °C, in an…

A:

Q: A 22.1g piece of aluminum (which has a molar capacity of 24.03 J/oC.mol) is heated to 82.4oC and…

A: Given: Mass of Al = 22.1 g. Initial temperature of Al = 82.4 oC Initial temperature of water =22.3…

Q: When the Cacl2(s) is added to water, the following reaction occurs. Cacl,(s) → Ca2"(aq) + 2CI¬(aq)…

A: The specific heat is the amount of thermal energy given to a sample of 1g to increase the…

Q: A piece of metal of mass 15 g at 99◦C is placed in a calorimeter containing 41.3 g of water at 19◦C.…

A: Heat lost by metal = Heat gained by water

Q: Calculate the final temperature of the water. Given a 32.4-g stainless steel ball bearing at…

A:

Q: A 5.000 g sample of methanol, CH3OH, was combusted in the presence of excess oxygen in a bomb…

A:

Q: Aluminum mass of metal 50.820g temp of boiling water 98.1 C volume of water in cup 50mL temp of…

A: The data given is, Aluminum mass of metal 50.820g temp of boiling water 98.1 C volume of…

Q: A piece of chromium metal with a mass of 24.50 g is heated in boiling water to 98.3 °C and then…

A:

Q: The enthalpy of solution (∆H) of KOH is -57.6 kJ/mol. If 2.26 g KOH is dissolved in enough water to…

A:

Q: A 50.75-g sample of water at 75.6°C is added to a sample of water at 24.1°C in a constant-pressure…

A: In accordance with first law of thermodynamics, energy given off by the system would be absorbed by…

Q: A 10.0-g sample of ammonium nitrate, NH4NO3, is added to 100.0 mL of water (density = 1.00 g/mL) in…

A: Given values: Mass of NH4NO3 = 10 g Density of water = 1 g/mL Inital temperature of calorimeter = 25…

Q: 1.6 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The…

A:

Q: The enthalpy of solution (∆H) of KOH is -57.6 kJ/mol. If 5.61 g KOH is dissolved in enough water to…

A: Given: Volume of solution = 150.0 mL Density of solution = 1.02 g/mL. Enthalpy of solution of KOH =…

Q: A piece of iron (mass 25.0 g) at 398 K is placed in a styrofoam coffee cup containing 25.0 mL of…

A: