Find the molar enthalpy of combustion for ethanol
Combustion of 3.50g of ethanol, C2H5OH (l) ina calorimeter with a heat capacity of 15.2kJ/°C causes a temperature increase from 19.88°C to 26.18°C. Find the molar enthalpy of combustion for ethanol from this evidence.
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In 2002, USA Today reported that about 66% of American high school graduates go to college and that 6% of Americans have hazel eyes. Assuming this is true, how many high school graduates would I need to sample to use the confidence interval formul
The fixed cost is $200,000 Yr. The variable cost of a personal pizza drink combo is 50 cents. The revenue of the pizza/drink combo is $1.00. I need to make 11% annual return on my $1,000,000 investment.
Adult IQ scores have a bell-shaped distribution with mean of 100 and a standard deviation of 15. Use the empirical rule to find the percentage of adults with IQ scores between 70 and 115
A brand name has an 80% recognition rate. If the owner of the brand wants to verify that rate by beginning with a small sample of 5 randomly selected consumers, find the probability that exactly 4 out of the 5 consumers recognize the brand name. A
A candy company claims that 16% of its plain candies are orange, and a sample of 200 such candies is randomly selected. Find the mean and standard deviation for the number of orange candies in such groups of 200.
A online DVD company has on average in inventory of $10,000,000 and an inventory turn of 3. The DVD company thinks they can do video on demand and lower their inventory to $5,000,000 for their same sales volume.
Find the mean and the standard deviation for the number of times this letter will be found on a typical page of 1800 characters.
At 298K, S2F4(g) partially decomposes to SF2 (g). at equilibirum the partial pressure of SF2(g) is 8.4x10-2torr and the partial pressure of S2F4(g) is 36.8 torr.
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
Problem: An infant with known congenital heart disease presents with weight loss, tachypnea, and hepatomegaly.
For a research topic on evaluating the access to health services for commercial sex workers as a mixed method approach provide the methodology
The healthcare provider ordered a urine culture for a client. Which item would a nurse need for a urine specimen collection from an existing indwelling
The nurse practitioner (NP) evaluates a client with complaints of a burning sensation in the chest that often occurs after meals and is exacerbated
I am writing a dissertation topic on the utility of community based interventions in post exposure support to survivors of IPV in uMzingwane district
A 12-month-old child presents with fever of 100.9, lethargy, vomiting and tachypnea. The history is significant for recent hand-foot-mouth disease infection.