10. 14.385 g of an unknown metal absorbs 21.162 J of energy and the temperature increases...
You are given an unknown metal. You obtain the following data for the unknown metal: The mass is 3.50kg and when 1.319 x 10^4J of heat is added to this sample, (initially at a temperature of 21.33 C) the temperature increases to 48.25C. Identify the unknown metal. Metal Specific Heat (J/g C) Aluminum 0.902 Copper 0.385 Gold 0.129 Iron 0.450 Zinc 0.140 Lead 0.132
The object is composed of _________?
The temperature of an object increases by 60.1 °C when it absorbs 3657 J of heat. Calculate the heat capacity of the object. C= J/°C The mass of the object is 385 g. Use the table of specific heat values to identify the composition of the object. Substance Specific heat (J/(g. °C)) 0.129 gold lead 0.158 iron 0.444 0.900 aluminum
The temperature of an object increases by 48.3 °C when it absorbs 3701 J of heat. Calculate the heat capacity of the object. C = 0.240 The mass of the object is 319 g. Use the table of specific heat values to identify the composition of the object. Substance gold silver Specific heat (J/(g · °C)) 0.129 0.240 0.444 0.900 iron aluminum
200 g of an unknown metal powder at Thot = 72°C are dropped into a negligible heat capacity calorimeter containing 150 g of water at 16°C. The final equilibrium temperature is measured to be 36.6°C. 1. Calculate the specific heat of the metal powder c. c = J/kg-°C 2. Identify the metal from the list below. Water Beryllium Aluminum Silicon Iron Copper Silver Gold Lead 3. Using the data table, calculate the specific heat per mole Cmolar of each pure...
Identify an unknown metal by determining its specific heat capacity (Csp). It takes 26,347 J of heat to raise the temperature of 253.5 grams of the unknown metal from 31.4°C to 146.5°C. Determine the Csp and then use the adjacent table to identify the metal.de Date: city (Cs). of the then use the TABLE 6.4 Specific Heat Capacities of Some Common Substances Specific Heat Capacity, Cs Substance (J/g °C)* Elements 0.128 Lead 0.128 Gold Silver 0.235 0.385 sorto no 12...
An unknown substance has a mass of 16.7 g. The temperature of the substance increases by 13.7∘ C when 53.8 J of heat is added to the substance. The table lists the specific heats of select substances lead 0.128 silver 0.235 copper 0.385 iron 0.449 aluminum 0.903 water 4.184 What is the most likely identity of the unknown substance?
An unknown sample of metal with a mass of 20.0 grams absorbed 210 joules of energy. The temperature of the metal increased from 25.0°C to 70.0°C. Calculate the specific heat of the metal. What is the identity of the metal? gold silver copper iron aluminum
Question 9 of15 The temperature of an object increases by 41.6 °C when it absorbs 3641 J of heat. Calculate the heat capacity of the object. The mass of the object is 365 g. Use the table of specific heat values to identify the composition of the object Substance Specific heat (J/(g . ! gold silver iron aluminum 0.129 0.240 0.444 0.900
3. The specific heat of methane gas is 2.20 J/g • °C. If the temperature of a sample of methane gas rises by 15 °C when 8.8 kJ of heat energy is added to the sample, what is the mass (in kg) of the sample? 4. It takes 0.805 kJ to raise the temperature of a 0.125 kg quantity of an unknown metal (gold, silver, or aluminum) from 25.00°C to 32.14°C. What is the specific heat of the metal (in...
A 150.0 g block of iron absorbs 750.0 J of thermal energy. The specific heat capacity of iron is 0.449 J/(g·◦C). The initial temperature of the block is 20.0 ◦C. What is its final temperature? (A) 111.3 ◦C (B) 31.1 ◦C (C) 22.2 ◦C (D) 20.4 ◦C (E) 8.86 ◦C