TL 92.00 15.7°C AT: 51.3°C 4) A 36.5 g sample of material changes temperature from 21.7...
The temperature of a 15.8 g sample of gold increases from 20.5°C to 37.9°C. If the specific heat of gold is 0.129 J/g-K, how many joules of heat are absorbed?
The temperature of a 11.8 g sample of a substance increased from 25.8 °C to 39.0 °C. If the specific heat of the substance is 0.82 J/g °C, how many joules of heat were absorbed? 0 130 ) O 0.92 J 0 -130J 0 -0.92 ] O 11)
A 143-g sample of mercury is at an initial temperature of 25 °C. If 1067 joules of heat are applied to the sample, what is the final temperature of the mercury? The specific heat capacity of mercury is 0.14 J/(g∙ °C).
When 595 cal of heat is applied to a 343 g of an unknown sample, the temperature changes from 31°C to 87 °C. what is q in Joules. and what is the specific heat (Cs) of the unknown in J/g degree C.
A 355-g sample of an unknown (nongaseous) material experiences a 15.0°C increase in temperature after absorbing 2.08 x 104 ) of energy. (a) What is the specific heat of this material? J/(kg . °C) (b) Which substance listed in the specific heat and molar specific heat table best matches the specific heat of this unknown material? O mercury O silver Obrass O granite Oglass O aluminum O wood O seawater
What is the specific heat capacity in J/ kg oC of a metal the temperature changes from 14 Kelvin to 68 Kelvin when 3,938 joules of heat energy is added to a mass of 619 grams?
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...
Question 36 2.85 pts How many joules of heat are absorbed when the temperature of a 13.9 g sample of CaCO3(s) increases from 21.7 °C to 33.3 °C? Specific heat of calcium carbonate is 0.82Jg-1K-1 130 9.5J O 0.68] 0-130 0 -0.68 ) * Previous No new data to save. Last checked at 7:46pm Submit Quia
An experiment is performed on an unknown material and produces the following heat curve. The temperature of the material is shown as a function of heat added. If the sample of material has a mass of m- 9.20 g, calculate the specific heat when this material is a solid, Cs, and when it is liquid, q. (Please see the hint panel for the explicit temperatures of fusion and vaporization, do not try to approximate from the graph.) Temperature (Celsius) 550...
How much heat is evolved when 22.5 grams of a food sample changes the temperature of 0.54 kg of water by 5.2 degree C. Assume specific heat to be 4.18 J/g/C