A liquid substance has a specific heat of 1592 J/(kg * K) and density 1159 kg/m^3.
How much Energy is required to warm 2.59 mL of this liquid from 7.09 deg F to 194 deg F, in Joules?
A liquid substance has a specific heat of 1592 J/(kg * K) and density 1159 kg/m^3....
The specific heat of liquid bromine is 0.226 J/g-K. How much heat (l) is required to raise the temperature of 10.0 ml. of bromine from 25.00 degree C to 27.30 degree C? The density of liquid bromine: 3.12 g/ml. a. 16.2 b. 10.4 c. 324 d. 5.20 e 300
Answer is B
31. A substance has a density of 1,800 kg/m in the liquid state. At atmospheric pressure, the substance has a boiling point of 170 °C. The vapor has a density of 6 kg/m at the boiling point at atmospheric pressure. What is the change in the internal energy of 1 kg of the substance, as it vaporizes at atmospheric pressure? (Use heat of vaporization L,-1.7 × 105 J/kg) D. 12 kJ A. 180 kJ B. 170 kJ...
A certain substance has a specific heat 1 J/(mole.K) and has melting point of 360 K. If one mole of substance is at 359 degrees how much energy must be added to melt it. a. Exactly 1 J b. Lesss than 1 Joule c. Greater than 1 joule d. Less than 0 J
A crate of fruit with a mass of 39.5 kg and a specific heat capacity of 3750 J/(kg⋅K) slides 7.70 m down a ramp inclined at an angle of 37.9 degrees below the horizontal. 1. If the crate was at rest at the top of the incline and has a speed of 3.00 m/s at the bottom, how much work Wf was done on the crate by friction? Use 9.81 m/s2 for the acceleration due to gravity and express your...
Perd cific Zinc has a specific heat of 0.39 J/g °C while iron has a spe- cific heat of 0.45 J/g °C. If a 100-g sample of each metal is cooled from 100 °C to room temperature (25 °C), which one releases more heat energy? 50. Th deg ab 10 51. An engineer tests the thermal properties of a metal alloy. Using a 50.0-g sample, she finds that adding 485 J of heat energy to the alloy causes a temperature...
The specific heat of water is 4186 J/kg C. How much does the internal energy of 300 grams of water change as it is heated from 23 to 46 degrees C? Assume that the volume is constant. Internal energy change = Number Joules
1)calculate the specific heat of 87.0 grams of a substance that when it absorbs 9,370 joules of heat, it increases in temperature from 15.0 degrees c to 75.0 degrees c 2) calculate the energy needed to heat 127.0 grams of water from 25 degrees c to 95 degrees c. assume that the specific heat for liquid water is 4.18 j/g degress c
1) Which substance will heat up faster: Aluminum (s) specific heat = 0.90 J/g°C Brass (s) specific heat = 0.380 J/g°C 2)A student mixes 50.0 mL of a 0.100 M AgNO3 solution with 50.0 mL of a 0.100 M HCl solution in a coffee cup calorimeter. Upon mixing the temperature of the resulting solution increases from 22.30°C to 23.11°C. If we assume the resulting solution has a final volume of 100.0 mL and the density and specific heat of the...
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QUESTION 16 A 1.00 kg block of ice (specific heat 0.500 cal/g deg C) is removed from the freezer where it was kept at -13.2 degrees Celsius. How much heat energy (in cal) has it absorbed when its temperature is -5 degrees Celsius? QUESTION 17 How much heat energy (in cal) is required to heat the block from the previous problem from -5 deg Celsius to 0 deg Celsius?
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Chemical potential/phases A substance has three phases: gas, liquid, and solid. The chemical potentials of various phases are illustrated below. T (K) 1) For a given temperature, which of the states represents an equilibrium condition? Submit 2) If the substance starts out in state Q and is held at constant temperature, what happens if it is allowed to reach equilibrium? The substance will freeze. The substance will evaporate The substance will melt and evaporate. The substance will sublime. Nothing...