How much heat was transferred and in which direction
If the internal energy of a thermodynamic system is increased by 300. J while 75 J of expansion work is done, how much heat was transferred and in which direction, to or from the system?
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How much heat would be given off per mole of NaOH if 4.6g of NaOH dissolves to give off 755J of heat? How many grams of NaOH are needed to produce 88 kJ of heat? Please explain the steps to get the answer?
Why does the second acetyl group enter the unoccupied ring toform diacetyl ferrocene? The question is asked regarding the reaction that occurs toform acetyl ferrocene (ferrocene molecules have two rings within between a iron atom)
A Styrofoam cup holding 116 g of hot water at 1.00 102°C cools to room temperature, 16.1°C. What is the change in entropy of the room? (Neglect the specific heat of the cup and any change in temperature of the room.)
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How many grams of sodium chloride would you need to add towater (bringing the total volume of the solution to 1 liter) tomake a 0.14 molar solution?
The temperature inside a balloon is raised from 25.0 °C to 250.0 °C. If the volume of cold air was 10.0 L, what is the volume of hot air?
The pKa values for oxalic acid, H2C2O4 are: 1.23 and 4.19respectively. Write each equilibrium acid dissociation reactionwith water with its respective Ka value.
Lauryl alcohol is obtained from coconut oil and is used to make detergents. A solution of 5.00 g of lauryl alcohol in 0.100 kg of benzene freezes at 4.1 degrees C. What is the approx. molar mass of lauryl alcohol?
A reaction vessel of volume 20.0 L contains 5.0 mol of nitrogen gas, 3.0 mol of hydrogen gas, and 2.5 mol of oxygen gas at 298 K initially. The gases react forming NH3(g) ammonia and H2O(l) water.
Ammomia burns in oxygen gas to form nitric oxide (NO) and water vapor. How many volumes of NO are obtained from one volume of ammonia at the same temp and pressure?
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