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minutes of videosThe specific heat of iron metal is 0.450 J/g-K. How many J of heat are necessary to raise the temperature of a 1.05-kg block of iron from 25.0°C to 88.5°C?

Calculate q (in kJ) when 2.00 g of water is heated from 37°C to 47°C. The spec...

Determine the final temperature when a 25.0 g piece of iron at 85.0°C is place...

When 1.550 g of liquid hexane (C6H14) undergoes combustion in a bomb calorimet...

A chemistry student weighs a rock and finds its mass to be 4.7 g. She then fin...

The combustion of toluene has a ∆Erxn of -3.91 x 103 kJ/mol. When 1.55 g of to...

Which of the following statements are correct? A. specific heat capacity is d...

How much heat is absorbed by a pan made of iron, with a mass of 150 g whose te...

When 75.4 J of energy is absorbed by 0.25 mol of CCl 4, what is the temperatur...

When 5.50 g of Ba(s) is added to 100.00 g of water in a container open to the ...

Suppose a 50.0 g block of silver at 100°C is placed in contact with a 50.0 g b...

Determine the specific heat capacity of an alloy that requires 59.3 kJ to rais...

A 19.78 g piece of nickel (specific heat of nickel = 0.444 J/g oC) was heated...

A student constructs a "coffee cup" calorimeter that contains 83.6 grams of wa...

Two solids of equal mass, labeled X and Y, are placed in contact with each oth...

The molar heat capacity of silver is 25.35 J/mol•°C. Calculate how much energy...

A 1.00 g sample of NH 4NO3 is decomposed in a bomb calorimeter. The temperatur...

When a 45.0 g sample of an alloy at 100.0 °C is dropped into 100.0 g of water ...

Three separate 3.5g blocks of Al, Cu, and Fe at 25 °C each absorb 0.505 kJ of ...

A student mixes 100 mL of 0.50 M NaOH with 100 mL 0f 0.50 M HCl in a Styrofoam...

When 68.00 J of energy are added to a sample of Gallium that is initially at 2...

In a bomb calorimeter, reactions are carried out at: (A) constant pressure ...

How much energy is required to change the temperature of 21.5 g Cu from 27 to...

If it takes 0.216 kJ of heat to raise the temperature of a 12.0 g piece of Al ...

Adding water to a steel pan on a flame slows the rise in temerature of the pan...

When a fresh breath of air is drawn into the lungs, it is heated by your body....

Which substance (with specific heat capacity provided) would show the smallest...

Two aqueous solutions are both at room temperature and are then mixed in a cof...

A 0.3423 g sample of pentane, C5H12, was burned in a bomb calorimeter. The tem...

The change in enthalpy (∆H) is a measure of the heat of reaction at 1) Consta...

A 55.0-g piece of metal is heated in boiling water to 99.8 °C and then dropped...

How much energy must be transferred to raise the temperature of a cup of coffe...

Which of the following substances (with specific heat capacity provided) would...

The molar heat capacity of silver is 25.35 J/mol × oC . Calculate how much ene...

A total of 2.25 moles of a compound are allowed to react with water in a foam ...

The same reaction in a bomb and coffee-cup calorimeter: a. will give the same...

A sample of 1.67 grams of compound Y is burned completely in a bomb calorimete...

Which substance (with specific heat capacity provided) would show the smallest...

In constant-volume calorimetry, what is FALSE? a. There is no work perform...

The specific heat of copper metal is 0.385 J/g K. How many joules of heat are ...

If three samples of silver, one with a mass of 10.0 grams, another with a mass...

A piece of iron (mass = 100.0 g) at 398 K is placed in a Styrofoam coffee cup ...