what amount of heat in J is required to raise the temp of 130.1 g of lead by 20.9 degrees celsius. give answer in standard notation to 0 decimal places

The specific heat of water is 4.18 J/g C. Would the specific heat of air expected be higher or lower than this? O higher lower cannot be determined

A 25.0 mL sample of ethanol (density=0.789 g/mL) initially at 7.0 Celsius is mixed with 35.0 mL of water (density= 1.0g/mL) initially at 25.3 Celsius in an insulated beaker. Assuming that no heat is lost, what is the final temperature of the mixture?

Dr. Lussier enjoys a bath after a long day. After filling his tub with exactly 216.0 L of hot water, he finds that the initial temperature is 63.3°C - which is far too hot. If he would like his bath to be 34.2°C, how many kilograms of ice at exactly 0.00°C must he add? Assume: The density of water is O.991 g mL-1, Cwater = 4.18 J g-1 °C•1, and AfusH° (ice) = 6.02 kJ mol1, molar mass water: 18.02 g mol-1 %3D

A)   An iron nail with a mass of 12 gg absorbs 15 J of heat. If the nail was initially at 30 ∘C, what is its final temperature? Express your answer using two significant figures. B) When 47.1 J of heat is added to 13.8 g of a liquid, its temperature rises by 1.74 ∘C. What is the heat capacity of the liquid?

12 ounces of water are heated during the preparation of a cup of coffee. 1150 J of heat are added to the water, which is initially at 20 °C. What is the final temperature of the coffee?

Assuming soda has the same specific heat of water, how much heat needed to removed from the soda to cool it from 294.26 K to 274.81 K?  Mass of soda is 2kg.

Show how to determine and then calculate the final temperature of a 195 g copper pan when 5925 calories of energy are added to the copper pan that is initially at 24.5 degrees celsius. (the specific heat of copper is 0.0923 cal/g degrees celsius)

In an experiment a group gathered the following data: Mass of test tube (g) 21.3Mass of test tube and metal (g) 52.7Mass of beaker (g) 120.40Mass of beaker and water (g) 137.54Initial temperature of hot metal (°C) 80.6Initial temperature of cold water (°C) 1.1Final temperature of the mixture (°C) 21.6 To the thousandths place, what is the specific heat of the metal used in the experiment above?

When a 43.0 g piece of aluminum was placed in 250. g water at 20.4 degrees C, the temperature raised to 26.8 degrees C, what was the initial temperature of the aluminum?