8 A 44.0 g sample of an unknown metal at 99.0°C was placed in a constant...
A 32.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 60.0 g of water at 24.0°C, The final temperature of the system was found to be 28.4℃ Calculate the specific heat of the metal. (The heat capacity of the calorimeter is 14.4/C) J/g °C
Enter your answer in the provided box. A 24.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 60.0 g of water at 24.0°C. The final temperature of the system was found to be 28.4°C. Calculate the specific heat of the metal. (The heat capacity of the calorimeter is 12.4 J/°C.) J/g. °C
44.0 grams of an unknown metal at 99.0oC is added to 80.0 grams of water (cs = 4.184 J/g•oC) at 24.0oC in an insulated container. If the final temperature of the metal and water is 28.4oC then what is the specific heat capacity (cs) of the metal?
3 attempts left Check my work Enter your answer in the provided box. A 52.0-g sample of an unknown metal at 99°C was placed in a constant-pressure calorimeter containing 80.0 g of water at 24.0°C. The final temperature of the system was found to be 28.4°C. Calculate the specific heat of the metal. (The heat capacity of the calorimeter is 14.4 J/°C.) Book J/g °C Ferences
A 25.00 gram sample of an unknown metal initially at 99.0 degrees Celcius is added to 50.00 grams of water initially at 11.1 degrees Celcius. The final temperature of the system is 20.15 degrees Celcius. Calculate the specific heat of the metal. (The specific heat of water is 4.184 J/g*C). JgoCJgoC
6. A piece of 155.0 g aluminium metal at 120°C was placed in a constant pressure calorimeter of negligible heat capacity containing 300.0 g of water at 20°C. Calculate the final temperature of the system (the aluminium metal and the water) in °C: given the specific heat of aluminium metal = 0.90 J/g °C, and that of water 4.184 J/g °C
An unknown metal sample of 54 g at 108°C is dropped into a calorimeter cup containing 190 g of 2. water at 20.3°c. After equilibrium is reached, the temperature of water is increased to 24.6°C. What is the specific heat of this metal? identify the metal by looking up the specific heat table. (Specific heat of water is 4186 J/kg.°C and heat capacity of the calorimeter is 125 J/oC)
23. Write a complete ionic and net-ionic equation for the following reaction. K2CO3(aq) + H2SO4 (aq) → 24. a) What volume(ml) of 0.115 M HCIO4 solution is required to neutralize 50.00 ml of 0.0875 M Ca(OH)2 ? b) A solution contains 3.2 g NaOH (MW = 40) in 20.0 ml of solution. What is the molarity of the solution? 25. A 44.0 g sample of an unknown metal at 99.0 °C was placed in a constant pressure calorimeter of negligible...
A 25.00 gram sample of an unknown metal initially at 99.0 degrees Celcius is added to 50.00 grams of water initially at 9.47 degrees Celcius. The final temperature of the system is 20.15 degrees Celcius. Calculate the specific heat of the metal. (The specific heat of water is 4.184 J/g*C). Record your answer in scientific notation using three significant figures.
4. You placed 43.1 g of an unknown metal at 100 °C into a coffee cup calorimeter that contained 50.0 g of water that was initially at 22.0 °C. The equilibrium temperature of mixing (T0) was determined to be 23.7 °C. The calorimeter constant was known to be 51.5 J/°C. Specific HeatH2O = 4.184 J/g·°C a. What is the total amount of heat (J) lost by the metal? NG 1.5 b. What was the specific heat (J/g·°C) of the metal?...