Calculate the lethal inhalation
The lethal inhalation does of sarin for a 200lb person has been determined to be 0.0015 mg. Determine the LD50 of sarin that researchers used to calculate this lethal inhalation does.
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A layer of clay 4m thick lies between two layers of sand each 4m thick, the top of the upper layer of sand being ground level. The water table is 2m below ground level but the lower layer of sand is under artesian pressure.
Making ice cream involves surrounding the ice cream canister with a bath of salted ice water. To get the mix to freeze at 7.00ºC, how many grams of salt (NaCl; molar mass = 58) will you need to add to 3.5 kg of ice water bath? (Kf of water =
Calculate the mass of solid AgNO3 that can be added to 2.0L of a 0.10 M K2CrO4 solution in order to just start precipitation.
The machine part ABC is supported by a frictionless hinge at B and a wedge at C. Knowing that the coefficient of static friction is 0.20 at both surfaces of the wedge.
What would happen if a solid was dissolved in a liquid at 100 degrees and then the temperature dropped to 70 degrees?
What mass of this substance must evaporate in order to freeze 119 of water initially at 24? (The heat of fusion of water is 334 the specific heat of water is 4.18 .)
A 55.0 gram piece of ice at 0.0 C is added to a sample of water at 8.0 C. All of the ice melts and the temperature of the water decreases to 0.0 C. How many kilograms of water were in the sample?
How do I solve this problem, a 1/4 in diameter rod must be machined on a lathe to a smaller diameter for use as a specimen in a tension test. The rod material is expected to break at a normal stress of 63750 psi.
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How do the current anti-psychotics work on the brain? What are the contraindications of any of the commonly prescribed anti-psychotics?
Evolutionary biases in the infant's learning abilities also interact with the parents' support, making it likely that the infant will use the parent
What are the advantages and disadvantages of each type of explanatory style? Be specific, provide examples, and or connect your ideas
What are the four most common types of exceptionalities found in today's classrooms? Describe each briefly.
Please summarize the following text A first limitation that is inherent in comparing AC ratings and inventory-based self/other-ratings
The present findings offer new insights into why other-ratings are often more predictive of job performance than self-ratings.
Other findings from our study point towards constraints when using ACs as behavior-focused personality measures.