What was the mass of the aluminum
A piece of Al(s) at 94°C is placed in 65g of H2O at 28°C. The Aluminum cools and after equilibrium the final temperature of Aluminum and water is 38°C. What was the mass of the aluminum?
Expected delivery within 24 Hours
What is the density in g/mL of a sphere with a diameter of 4cm and a mass of 1.35 grams? What is the percent error if the actual density of the sphere was 7.87 g/mL?
If an analytical method has been developed and the retention time for a particular anabolic steroid has been determined, how might you use this method to determine the possibility of the use of anabolic steroids by an athlete.
At 400 K, the rate of decomposition of a gaseous compound initially at a pressure of 12.6 kPa, was 9.71 Pa/s when 10.0 % had reacted and 7.67 Pa/s when 20.0 % had reacted.Determine the order of reaction.
Gluconeogenesis shares some, but not all enzymes, with the glycolytic pathway. It would appear to be more efficient if both pathways used all of the same enzymes since the pathways are essentially the reverses of each other. Why don't both pathwa
The Aluminum cools and after equilibrium the final temperature of Aluminum and water is 38°C. What was the mass of the aluminum?
Lucy has $900,000 to invest and she wants a portfolio beta of 1.2. The S&P 500 has an expected return of 18% and the standard deviation is 30%. The risk-free return is 5%. She plans to put her money in the S&P 500 and T-bills. What is the
A hydrogen-filled balloon was ignited and 1.50 gram of hydrogen reacted with 12.0 g of oxygen. How many grams of water vapor were formed?
A ball of aluminum [c = 0.897 J/g°C] has a mass of 100 grams and is initially at a temperature of 150°C. This ball is quickly inserted into an insulated cup containing 120 ml of water at a temperature of 15.0°C.
The atmospheric pressure is 738 mmhg. The temperature of the water and that of the gas are identical at 26oC. how many moles of helium have been evolved.
1941648
Questions Asked
3,689
Active Tutors
1416465
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
nvironmental Impact Assessment: Understanding the full extent of ecological damage to marine and coastal ecosystems.
Coal mining - There is conflict in Alberta, and many other places over coal mining. Some people want to stop it, and some want it to continue.
Question: Where would today's earth scientists invest significant financial resources to bring oil/natural gas into production asap?
Question: Outline a sampling plan for the analysis of Fe and Mn levels in a polluted river passing through a mining site,
In recent years, the environmental impact of plastic waste has reached critical levels, with millions of plastic bottles discarded daily contributing to pollut
The IPAT model calculates the environmental impact of human activities based on ____. a. population size, agriculture, and trade practices
Question: What two things are required to build large polar ice sheets? Need Assignment Help? Group of answer choices