Determine the decay constant of sulfur-35
The Sulfur-35 is a radioactive isotope used in the medical and chemical research. Sulfur-35 a 0.48 mg sample has an activity of 20.4 Ci. Determine the decay constant of sulfur-35 (in /s)?
Expected delivery within 24 Hours
1. Assume that the total cholesterol level of American women between the ages of 18-30 has a known mean of 175 mg/dl. A group of female Asian immigrants (n = 36) has a calculated mean of 165, and an estimated standard deviation of 24 mg/dl.
Given that n = 30, S2Y|X = 9, and SSY = 356, fill out the following analysis of variance table for a regression
A solution of sodium iodide was given to a patient to test for malfunctioning of thyroid gland that containing iodine-131. Explain the fraction of the iodine-131 nuclei would remain un-decayed after9.0 d?
Radioactive strontium 90Sr has been deposited in the large field by acid rain. If enough amounts make their way through food chain to humans, bone cancer can result. For how many years will field be contaminated?
A voltaic cell has a cell potential of 0.72 V whose cell reaction is given below,Find out the maximum electrical work that can be acquired from this cell per mole of iron ion?
According to the report by the Commerce Department in 2004, 20% od U.S. households had some kind of high-speed internet connection. Assume 20 U.S. household are selected at random and number of households with the high-speed internet is recorded.
Calculate the number of moles and the partial pressure of each gas in a 15.75 L container at 30.0 oC having a mixture of neon and xenon gases only. The mole fraction of xenon is 0.761 and the total pressure in the container is 6.50 atm.
Calculate a, assuming that there are three earthquakes of magnitude at least six per year. Give the exact (symbolic) answer.
1928165
Questions Asked
3,689
Active Tutors
1429797
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
When people get involved in community and social change but do not hold official political positions, which of the terms best describes what they are part of
Question: Discover how the major schools of thought within sociology explain social stratification.
"Gender inequality is not some accidental, hit-or-miss affair. Rather, each society's institutions work together to maintain the group's particular form of
Question: How are schools important in the struggle for power and status?
Question: What is meant by indigenismo (Keywords in Week 2)? What is las cronicas de castas (Cope)?
This week watch the 3 short video clips below about cultural appropriation. These videos will redefine terms like cultural appropriation
Question: Cases of local communities using modern technology to preserve and revive their traditions: