Convert kg to j
[DOC File]Units, Units, Units
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½ m v2. So the standard units of energy in mks units must be kg m2/s2 which is known as a Joule (J). Power. Power is the rate of change of energy or dE/dt. Its mks units are Joules per second which is known as a watt (W). Density. Mass density is mass per unit volume, r or rm in kg/m3.
[DOC File]Latent heats - Atmospheric Sciences
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The latent heat is written as L and given in J/kg in mks units. It literally means how much heat energy must be added to a mass of material to convert its phase such as from solid to liquid (melt), liquid to vapor (evaporate) or solid to vapor (sublimate). DQ = m L
[DOC File]Common Conversions in Chemistry
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Convert 454 kg into grams. 10. Convert 0.0023 moles into particles. 11. Convert 12 in into centimeters. 12. Convert 50. lbs into grams. 13. Convert 103 kilopascals (kPa) into atm. 14. Convert 3.75 x 10 22 particles into moles. 15. Convert 1800 kilocalories into calories, then into joules (J)
[DOC File]TABLE A-1
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TABLE 1. Conversion of various units of measurement to SI units. (from N.J. Themelis “Transport and Chemical Rate Phenomena”, Gordon Breach 1995)
POP4e: Ch. 1 Problems
a) 49 J b) 58 J c) 21 J d) 31 J. The total energy input required is. Thus, which gives . 16. A 100-g cube of ice at 0°C is dropped into 1.0 kg of water that was originally at 80°C. What is the final temperature of the water after the ice has melted? a) 65 C b) 74 C c) 91 C d) 103 C
[DOC File]CP7e: Ch. 11 Problems
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The specific heat of air is 837 J/kg ā °C, and its density is about 1.3 × 10–3 g/cm3. 55. The human body must maintain its core temperature inside a rather narrow range around 37°C. Metabolic processes (notably, muscular exertion) convert chemical energy into internal energy deep in the interior.
[DOC File]Physics
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0.030378 u x 1.66 x 10-27 kg/1u = 5.04 x 10-29 kg b. the total binding energy in J. E = mc2 = (5.04 x 10-29 kg)(3 x 108 m/s)2 = 4.54 x 10-12 J c. the binding energy per nucleon. 4.54 x 10-12 J/4 = 1.13 x 10-12 J 23. Complete the following chart.
[DOC File]Specific Heat Worksheet
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The specific heat of wood is 2.03 J/gā°C. How much heat is needed to convert 550 g of wood at -15.0°C to 10.0°C? What is the total amount of heat needed to change 2.25 kg of silver at 0.0°C to 200.0°C? The specific heat of silver is 0.129 J/gā°C. Granite has a specific heat of 800 J/gā°C.
[DOC File]Worksheet 2-1 CALCULATOR PRACTICE
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Convert 2.11 X 106 µg to Kg. (2.11 X 10-3 Kg) Convert 1.47 X 10-2 Km to mm. (1.47 X 104 mL) How many Joules are in 4.56 x 102 Kilojoules? (4.56 x 105 J) WKS 2.5 - Double Conversions & Other Practice! (1 page) You must show the dimensional analysis set-up in …
[DOC File]CHANGE OF STATE
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s.h.c. ( ice ) = 2,100 J kg-1 K-1. lf = 3.35 x 105 J kg-1. lv = 2.26 x 106 J kg-1. Remembering that the melting point if ice is 0o and the boiling point of water is 100o we need to divide this question into four stages. Stage 1. Calculate the energy required to change 20 g of ice at –20oC to ice at 0o. This is a change of temperature. Q = m c ...
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