Calculate the freezing point depression constant
The heat of fusion of water is 6.008x10^3 J/mol at its normal melting point of 272.15K. Calculate the freezing point depression constant Kf.
Expected delivery within 24 Hours
What is the ground-state electron configuration of Co3+?
You sit on the board of directors of a local nonprofit corporation. At its last meeting, the board decided to begin to fund a very modest retirement pension for the organizations custodian. The details of the plan are as followed:
A gas mixture with a total pressure of 770 contains each of the following gases at the indicated partial pressures: , 257 ; , 114 ; and , 177 . The mixture also contains helium gas. What is the partial pressure of the helium gas?
A flask containing 352 ml of gaseous nitrogen is collected over water at a temperature of 22 degree Celsius. the total pressure of the gases was 742 mm Hg. how many grams of nitrogen were collected?
If the pressure is lowered to 1.00 atmosphere and the temperature is raised to 400 K, the volume of the gas sample would be?
Calculate the final temperature of 36 {rm mL} of ethanol initially at 16^circ {rm C} upon absorption of 750 {rm J} of heat. (density of ethanol =0.789 {rm g}/{rm mL})
An aqueous solution that contains 285ppm of potassium nitrate (KNO3) is being used to feed plants in a garden. What volume of this solution is needed to prepare 1.7 L of a solution that is 97 ppm in KNO3?
Write the full electronic configuration for Sr, He, Zn, Br and for each of the following elements indicate which set of orbitals is being filled last (# of sublevel & s,p,d,f) for chemical symbols W, Fe, and Ce
1957595
Questions Asked
3,689
Active Tutors
1421872
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
The purpose is to examine the psychological factors affecting how teenagers in an impoverished urban area spend their time outside of school using:
Outline a social issue that is important to you. Describe why it is important to you, why it is important from a societal perspective and how you think
Provide five (5) reasons why working from a person centred, strengths-based positive framework, and providing positive lifestyle strategies can reduce
Early food experiences can impact development over several learning domains, including Social and Emotional Development, Language
Sahir is the most active student in your kindergarten class. He tends to be very disruptive when the teacher you work with is teaching the class,
Identify and discuss three ethical guidelines that are important to consider when designing an 8-week group for adolescents who are referred
Amanda said? Excellent post, Chrystal. You provided great insight into the helpful resource ERIC digital library is. I appreciate how it states the information