1. The specific heat capacities (in units of J/g•K) of Co, Ag, and Mn are 0.421,...
1. The specific heat capacities (in units of J/g.K) of Mo, Ni, and Pb are 0.251.0.444, and 0.129, respectively. What is the order of the molar heat capacities? Formula weights: Mo 95.94; Ni 58.7: Pb 207.2 (a) Mo> Ni>Pb (b) Mo>Pb>Ni (c) Ni>Mo>Pb (d) Ni>Pb>Mo (e) Pb>Ni>Mo
The specific heats (in units of J/g•K) of CH3OH, CH3CN, and CH3CHO are 2.5344, 2.2238, and 2.0181, respectively. What is the order of the molar heat capacities? Formula weights: CH3OH 32.0; CH3CN 41.1; CH3CHO 44.1 (a) CH3OH>CH3CN>CH3CHO (b) CH3OH>CH3CHO>CH3CN (c) CH3CN>CH3OH>CH3CHO (d) CH3CN>CH3CHO>CH3OH (e) CH3CHO>CH3OH>CH3CN
1. The specific heats (in units of J/g.K) of MoF, CHBry, and SnCl, are 0.8090, 0.5172, and 0.6345, respectively. What is the order of the molar heat capacities? Formula weights: MoF. 209.9; CHB 252.7; Sncl. 260.5 (a) MoF>CHBr>SnCl. (b) MoF>SnCL>CHBr) (c) CHBR>MoF>SnCL, (d) CHBR>SnCl>MOF. (e) SnCl>MoF.>CHBr
Given that the specific heat capacities of ice and steam are 2.06 J/g°C and 2.03 J/g°C, the molar heats of fusion and vaporization for water are 6.02 kJ/mol and 40.6 kJ/mol, respectively, and the specific heat capacity of water is 4.18 J/g°C, calculate the total quantity of heat evolved when 24.1 g of steam at 158°C is condensed, cooled, and frozen to ice at -50.°C.
The specific heats (in units of J/g.K) of CaH2Cl4, C HCl, and CHBr, are 0.9672, 1.0817, and 0.5172, respectively. What is the order of the molar heat capacities? Formula weights: CaH,Cla 167.8; CH Cls 1334 CHBr, 252.7 1 (b) CH.CL>CHBr>C;H,Cl (e) CHBr>CH2Cl>CHCl (e) CaH,Cl>C;H2CI>CHBrs (a) C2H2CL>CH&CI>CHBr, (d) C2HCla>CHBr>C2H2Cl4
The table lists the specific heat capacities of select substances. Substance Specific heat capacity (J/g °C) lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum 0.903 water 4.184 An unknown substance has a mass of 13.3 g. The temperature of the substance increases by 16.7 °C when 52.2 J of heat is added to the substance. What is the most likely identity of the substance? O lead O aluminum iron O copper water O silver
The specific heat capacities for several substances are shown in the table. Substance Specific Heat (J/g.°C) iron 0.45 methane 2.19 water 4.18 brick 0.84 If equal masses of each substance absorb the same amount of heat, which substance undergoes the greatest temperature change? brick O water O methane O iron
The molar heat capacity of a compound with the formula C2H6SO is 88.0 J/mol-K. The specific heat of this substance is __________ J/g-K.
The specific heat of silver (Ag) is 0.245 J/ºC g. Determine the energy required to raise the temperature of 350. g of Ag from 293 K to 400 K. 8.99 MJ 9.17 kJ 400. J 8.99 J
The specific heat capacity of silver is 0.24 J/°C .g. (a) Calculate the energy required to raise the temperature of 140.0 g Ag from 273 K to 305 K. (b) Calculate the energy required to raise the temperature of 1.0 mol Ag by 1.0°C (called the molar heat capacity of silver). O J/mol°C (c) It takes 1.35 kJ of energy to heat a sample of pure silver from 12.0°C to 15.3°C. Calculate the mass of the sample of silver. 9