Be sure to use correct significant figures and units in all of your answers which involve calculations. SHOW ALL WORK: you will NOT receive credit if there is no work shown for calculations. I highly recommend you either printing it out and filing it in or do this on a separate sheet of paper. The average mass of a human liver is 1.5kg. Convert this quantity to Grams   Ounces

Q: If 89 J of heat is added to a pure gold coin with a mass of 20 g. what is the temperature change?…

A: Given question of values = -gold coin mass =20gm . Represent of mass = m  -specific heat capacity of…

Q: You have a 15.0 gram sample of gold at 20.0°C. How much heat does it take to raise the temperature…

A: Heat supplied, Q = msdt

Q: Number 6

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Q: B 16. Which one of the processes listed below describes a chemical (rather than physical) change? a.…

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Q: A 59.6 g piece of hot iron is placed in 153.2 g of water with an initial temperature of 24.5°C. The…

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Q: A 24.817 gram sample of water with specific heat of 4.184 J/g0C changes temperature from 25.00 0C to…

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Q: In step 9 of the procedure, if you were asked to determine the mass of solution in a test tube, how…

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Q: A 46.4 g piece of hot iron is placed in 154.1 g of water with an initial temperature of 24.4°C. The…

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Q: 4. An x-ray has a wavelength of 1.3 x 10-1º. Calculate the energy (in J) of one photon of this…

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Q: A piece of a mysterious metal has a mass of 455g. It was determined that its heat capacity is 34.3…

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Q: Measuring the change in temperature versus time upon addition of a hot metal specimen to 9.53 mL of…

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Q: föllówing data was collected from a solution that was prepared to allow a sample of plastic to…

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Q: Which of the following statements accurately describes an observation that would be made during the…

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Q: Mercury (II) oxide decomposes into mercury metal and oxygen.  What is the sum of the coefficients…

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Q: Burning one gram of gasoline produces 47.9 kJ of energy. Express the heat energy In kilocalories (…

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Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A:

Q: How much heat is absorbed by 68 g of ice when it melts? The heat of fusion of ice is 80. cal/g and…

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Q: Determine the kinetic energy of a baseball thrown at 100.0 mph. The mass of a baseball is 144.3 g.

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Q: Number 5

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Q: Hi! I'm having trouble separating these images in the proper categories, physical process, chemical…

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Q: Number 7

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Q: How much oil in liters is consumed if the automobile is driven 20000 km?

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Q: Use the following information to answer the next question. A sample solution contains two unknown…

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Q: What is the specific heat of an object that goes from 23.6°C to 33.7°C when it absorbs 126 calories…

A: The amount of heat per unit mass required to rise the temperature of a body to one degree Celsius .

Q: 1. A chemical reaction produces 210 J/g. How much energy is this in units of cal/lb?  1 pound = 16…

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Q: In an experiment similar to the one performed in Experiment #3 a student measures the mass of a…

A: Given that at temperature 20°C , Mass of 25 mL graduated cylinder = 63.486 g Mass of 25 mL cylinder…

Q: What is the specific heat of an object that goes from 22.3°C to 31.5°C when it absorbs 139 calories…

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Q: A sheet of gold weighing 9.4 g and at a temperature of 19.1 °C is placed flat on a sheet of iron…

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Q: A swimming pool measures 45.0 meters by 30.0 meters. How many grams of water are needed to fill the…

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Q: A volume of 80.0 mL of H20 is initially at room temperature (22.00 °C). A chilled steel rod at 2.00…

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Q: Convert 15.00 kJ to calories (cal). 15.00 kJ = Convert 203 kcal to kilojoules (kJ). 203 kcal

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Q: A water heater contains 54 gal of water. How many kilowatt-hours of energy are necessary to heat the…

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Q: How much work is done by an Olympic bicyclist who accelerates from 5.0 m/s to 10.0 m/s? The mass of…

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