Vant hoff factor for mgcl2
What is the freezing point in Celsius of a solution prepared by dissolving 6.20 g of MgCl2 in 110 g of water? The value of Kf for water is 1.86 (C*kg)/mol), and the van't Hoff factor for MgCl2 is i = 2.7.d
Expected delivery within 24 Hours
What mass of water would you need to evaporate from your skin in order to dissipate 1.7 x 10^5 J of heat from your body? H2O(l) -> H2O(g) delta H vaporation = 40.7 KJ/mol.
Calculate the ΔH for the reaction above using the data provided. (Hint: you need to calculate q rxn then convert it into kJ/mole)
A balloon filled with 27.3 mol helium has a volume of 612. L at 0.0°C and 1.00 atm pressure. The temperature of the balloon is increased to 33.0°C as it expands to a volume of 686. L, the pressure remaining constant.
A sample of hydrogen was collected over water at 23oC and an atmospheric pressure of 735 mmHg. What is the pressure of the hydrogen gas collected in a 568 mL container?
A 1004.0 g sample of calcium carbonate that is 95% pure gives 225 L of carbon dioxide at STP when reacted with an excess of hydrochloric acid. What is the density in g/L of the carbon dioxide?
Water and 8.00 mol/L potassium nitrate solution are mixed to produce 700 mL of a solution with a concentration of 6.00 mol/L. What volumes of water and potassium nitrate solution are used?
Translate the following word equations into balanced chemical equations and explain how the equations represent what happens in grid spaces a and g.
The term vapor pressure almost always means the equilibrium vapor pressure. What pysical arrangement is needed to measure vapor pressure?
1944830
Questions Asked
3,689
Active Tutors
1460480
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Which learning theories and principles do you think are most useful to the advanced practice nurse (APN) in providing high quality health care to clients
Evaluate theories and conceptual models from nursing and related fields for use in advanced nursing practice.
Discuss the concept of personhood as used in the nursing as caring theory. Should be at least 500 words, formatted and cited in current APA style
Analyze and evaluate a middle range theory. You will select a middle range theory and identify application of nursing theories into clinical practice.
The purpose of this assignment is to identify a theory or model which can be used as a framework for a future evidence-based project
Discuss what is meant by the term Qualitative Research Briefly, describe the characteristics of qualitative research and identify nursing issues/phenomena
Examine the science and art of theory development and evaluation. Assignment Requirements Should be at least 500 words