What mass of the hydrate could be recovered from solution
When separated from a water solution, CuSO4 forms a hydrate with 5 water molecules per formula unit. If 38 g of anhydrous CuSO4 are dissolved in water, what mass of the hydrate could be recovered from the solution?
Expected delivery within 24 Hours
Calculate the quantity of heat in calories release when 241.62 g of water is cooled from 80.6°C to 28.0°C.
A solution is made by dissolving 31.0 g of NaOH in approximately 450 mL of water in a volumetric flask. The solution becomes quite warm, but after it is allowed to return to room temperature, water is added to total 500 mL of solution.
About power supply that cnanges AC to DC voltage and which a zener diode on it! jst need most the calculations of zener doide in this poer supply?
A sample of gas is collected over water at a temperature of 35.0?C when the barometric pressure reading is 625 torr. What is the partial pressure of the dry gas, given PH2O = 42.2 torr?
An accelerometer has a seismic mass of 0.05kg and a spring constant of 3 x 10^3 N/m. Maximum mass displacement of 0.02m before the mass hits the stop. The maximum measurable acceleration will be equal to?
particular sample of pure iron requires 0.595 kJ of energy to raise its temperature from 25oC to 45oC. The specific heat of iron is 0.45 J/g oC. What must be the mass of the sample?
Bone was dissolved in hydrochloric acid, giving 45.0 mL of solution containing calcium chloride, CaCl2. To precipitate the calcium ion from the resulting solution, an excess of potassium oxalate was added. The preciCaC2O4, weighed 1.437 g. What was
A 25.0 mL sample of river water was titrated with 0.00100 M Na2Cr2O7 and required11.5 mL to reach the end point. What is the COD, in mg O2 per litre of the sample?
1931779
Questions Asked
3,689
Active Tutors
1455609
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
If you could work at the practice of your dreams, what would that look like? How would you negotiate that dream job contract?
This report aims to develop your understanding of the key aspects of management, including managerial functions, the various types of managers
PROMPT: Describe the "British Invasion" by the Beatles in 1964. How did they influence American popular music?
In Chapter Two of World Mythology, Andy Gurevich presents a compelling exploration of how myth and metaphor shape our understanding of the world.
Identify a historically significant action that was made by someone (an individual artist and/or group) in Twentieth-Century American Popular Music.
Find a video of a well performed speech and post for your peers to view. You will write an analysis of at least 250 words pointing out at least three (3) key as
What is the importance of a literature review and what should you avoid when conducting a literature review?