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.
Expected delivery within 24 Hours
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.
1921973
Questions Asked
3,689
Active Tutors
1454712
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
When children are able to determine that the same amount of liquid is in two different sized containers, they have mastered
What is one specific way in which behavior modification techniques might be used in this field? What would be the end goal when using these techniques?
The range of tasks that are too difficult for the child to master alone but that can be learned with the guidance and assistance of adults
My name is Lisette (preferred) and I am located in Augusta, GA. I am majoring in Psychology (BS) with the Life Sciences option, I currently am a manager
Analyze the factors that contribute to employee motivation, satisfaction and engagement. Discuss how employee stress and low motivation can be influenced
Problem: Identify and explain the main ethical challenges faced by Iverem.
Problem: This video talked about personal bias and outdated facts that confuse the general population.