How old is the bone sample in years
In a living organism, the decay of C-14 produces 15.3 disintegrations per minute per gram of carbon. The half-life of C-14 is 5730 years. A 3.4 g sample of bone has 33.3 disintegrations per minute. How old is the bone sample in years?
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If the volume of a container is 69.4 L. and the container holds a gas at 23.2 oC. and 7.00x104 mmHg. The density of the gas is 16.88 g/L.
Calculate the enthalpy change associated with the conversion of 25.0 grams of ice at -4.00°C to water vapor at 110.0°C.
A turbojet engine takes in air at 80 kpa and 270 k and is compressed to 800 kpa . the burner will heat the air to 1200k. the turbine drives the compressor and delivers the air into the nozzle to produce truss.
Write a short essay on your genre (ACTION) and its importance to the film canon. Use specific examples of films that illustrate its importance (you don't need to limit yourself to films you watched for this class).
The half-life of C-14 is 5730 years. A 3.4 g sample of bone has 33.3 disintegrations per minute. How old is the bone sample in years?
A frictionless pulley with zero mass is attached to the ceiling, in a gravity field of 9.80 m/s2. Mass M2=0.100 kg is being accelerated downward with a=1.10 m/s2. Calculate the mass m1
How many molecules of carbon dioxide are produced when 130 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water
An n-p-n transistor has impurity concentrations of 2x10^20 cm-3 in the emitter, 1x10^18 cm -3 in the base and 2x10^16 cm-3 in the collector. Assume the metallurgical base width is 150nm and the metallurgical emitter width is 200nm. The minorit
Thomas poured 25 mL of 0.60 M HCl into a large bottle. He then added enough water so that the new (diluted) concentration was 0.10 M HCl. How much water did Thomas add?
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Question: Which assessment finding indicates to the nurse that an older adult client is at risk at developing an infection?
Beatrice is a 35-year-old client who has been experiencing lighter periods for the past few months and even missed a period of 1 month.
If the Chief Complaint (CC): The patient reported "a scaly, circumscribed, erythematous lesion on her trunk with a central clearing area".
Identify and discuss potential diversity in the group that you anticipate teaching. (Diversity can include multiculturalism, age, gender, ethnicity, socioeconom
Identify a specific health outcome or public health concern within a defined population, where health behaviour(s) plays an important role
While evaluating a 8 year old patient in your clinic for a sick visit, you auscultate crackles in the poster left lover lobe, have the patient cough
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