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?
1948045
Questions Asked
3,689
Active Tutors
1419426
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Do disruptions in the human sleep cycle affect metabolism? Does an emotional event lead to more accurate memories than a nonemotional event?
Reply to post in 175 words: Sales and customer relationship management are heavily influenced by understanding the psychology behind why people buy
Question: Reflect on own attitudes about physical disabilities in relation to: Need Assignment Help?
People have distinct personalities but based on the above Bonnie and Elena can seem pretty similar especially because they're infp and infj
Gender expectations within families and ECEC settings influence children's identity, behaviour, and learning experiences. Educators' beliefs-often shaped
Explain the constructivist approach to teaching. How does it differ from traditional teacher-centered strategies in terms of the roles of the teacher
Damon: From the moment I saw you, I saw a light in you-light you wear like armor, that spills over everything you touch, shielding people who don't even know