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[DOC File]Half-life Practice Worksheet - Weebly
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Sodium-24 has a half-life of 15 hours. How much sodium-24 will remain in an 18.0 g sample after 60 hours? Carbon-14 has a half-life of 5730 years. How much carbon-14 will remain in a 100 g sample after 11,460 years? *Polonium-214 has a relatively short half-life of 164 seconds. How many seconds would it take for 8.0 g of this isotope to decay ...
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[DOC File]Physical Connection Worksheet:
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25 miles / 1 hour * 1.5 hours = 37.5 miles. 25 miles / 1hour * 3.2 hours = 80 miles. 5 miles / (25 miles / hour) = 0.2 hours * 60 minutes = 12 minutes. Jack did 10 jumping jacks in 15 seconds. At this same rate, how many jumping jacks could Jack do in 1 minute? How long would it take him to do 100 jumping jacks at this same rate?
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[DOCX File]Activity 3.2 Unit Conversion Answer Key
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43 thousand microseconds to seconds. Report to the nearest thousandth of a second. 43000 μ m 10 -6 s 1 μ s = 0.043 s . 9 ft – 2 ½ in. to inches.. ... Express your answer in decimal hours and then convert the time to minutes (to the nearest minute). 3.67 mi 1 h 4.0 mi = 0.92 h . Hours: 0.92 hours…
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[DOC File]Determining Speed (Velocity)
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How long will it take the ant to carry a cookie crumb from the kitchen table to the ant hill, a distance of 50 meters? Express your answer in seconds, minutes, and hours. The water in the Buffalo River flows at an average speed of 5 km/hr. If you and a friend decide to canoe down the river at a distance of 16 km, how many hours will it take?
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[DOC File]Dimensional Analysis
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635976 hours = _____years. 7 miles = _____inches. 1 week = _____seconds. 2.5 meters = _____inches. 3.2 years = _____seconds. The capacity of the gasoline tank in an automobile is 12 gallons. How many liters is this? If the price of gasoline is $0.400 per liter, what is its price per gallon? Metric and English Conversions Worksheet
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[DOC File]Motion Problems – Speed, Velocity and Momentum problems
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18. A dog chased a ball 25 meters in 3 seconds, what was the speed of the dog? 19. What is the velocity of a model rocket that climbed 950 meters in 3 seconds? 20. What would the velocity be of a bullet that strikes a tin can 350 meters away in 0. 25 seconds? 21. What is the speed of a subway train that traveled 13 kilometers in 8 minutes? 22.
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[DOC File]Carbon-14 Practice Worksheet - Weebly
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Radioactive Decay Name_____Hr___ Honors Algebra 2 - Assignment. ELEMENT HALF-LIFE Polonium215 0.0018 seconds Oxygen15 2 minutes Sodium24 15 hours Iodine131 8.07 days Cobalt60 5.26 years Radium226 1600 years Carbon14 5600 years Potassium40 1.3 billion years Uranium238 4.5 billion years Radioactive isotopes, atoms with unstable nuclei, decay over time.
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[DOC File]CHM 152 Quiz 1A
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What is the reactant concentration after 78.9 seconds for a second order reaction with a half-life of 3.l0 minutes if the initial concentration was 0.555M? 186 s = 1 / k (0.555M) k = 9.687 x 10-3 s-1M-1 ... A researcher at GCC is running a new chemical reaction that obeys first order kinetics and discovers that after 24 hours only ½ of the ...
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[DOCX File]TERM: .gov.au
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Event pictures, stopwatches, word cards ‘seconds’, ‘minutes’ and ‘hours’, clock face worksheet, clock with a second hand and duration table worksheet, assessment pictures and table. TEACHING AND LEARNING EXPERIENCES. WHOLE CLASS INSTRUCTION MODELLED ACTIVITIES. GUIDED & INDEPENDENT ACTIVITIES.
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[DOC File]Chemistry in the Community - PC\|MAC
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minutes in 24 hours. seconds in 101 minutes. meters are in 12 kilometers. milliseconds are in 45 seconds (1000ms = 1s) centiliters in 6.72 liters. millimeters there are in 0.25 meters Factor Label Worksheet # 3: Multi-Step Factor Label Problems. In worksheet #2 we learned how to do simple one step factor label problems.
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Seconds minutes hours worksheet