Calculate the final temperature
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})
Expected delivery within 24 Hours
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?
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.
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?
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
What is the major product of the reaction between methanol and (2R,3S)-2-bromo-3-methylpentane at room temperature
What would happen to the average kinetic energy of the molecules of a gas sample if the temperature of the sample increased from 20 degrees celcius to 40 degrees celcius.
1923519
Questions Asked
3,689
Active Tutors
1458299
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Write a reply to this post. When conducting assessments in family therapy, the tools and strategies a therapist chooses can influence the therapeutic relationsh
Problem: Address the following questions in a post of at least 250 words: What is intelligence to you? How would you measure it?
After reading about the history of evolutionary psychology in chapter 10 of Hergenhahn's an introduction to the history of psychology" by Henley
Identify why the following statement would be considered biased: "Researchers administered a 50-question survey to the two groups
Anais has tested the effect of whether watching violent cartoons at the age of 10 has led to increases in fear of violence later in life.
Question: How do family systems and social determinants influence child and adolescent behavior?
You are required to create a detailed plan for a six-week psycho-educational group that focuses on skill development for individuals affected by addiction