Calculate the density of solution and the molality
Calculate the density of solution and the molality of methanol. In an aquatic solution of methanol (293K and 1bar) with fraction of mass 0,30 the molarity is equal with 8,911 mol/L.
Expected delivery within 24 Hours
Suppose the triangle has sides a, b and c and that angles opposite these sides are A, B and C, respectively. If B = 90deg,sin A = 2/5 and a = 10cm, determine b and c.
Determine a particle of mass = m sitting in the ground state of a box of length = l. Suppose that one wall of the box is suddenly moved out so that the length of the box becomes length = 3l.
The energy difference between the ground state and first excited state in a hydrogen atom is about 10 eV (eV = electron volt). The diameter of a hydrogen atom is 1°A = 10^-10 m.
25 patients were given new drug and the mean side eect factor is found to be .73. Then, test the appropriate null hypothesis and also ne the Type I error and Type II error.
Determine the order of the reaction? How do you know? Determine the rate constant for the reaction? Explain.
If innermost part of cutting edge is 6in, from center of blade, how many radians per second should blade turn? How many revolutions per minute in this?
If a phone call just occurred, determine the probability that there won't be another phone call for at least the next 30 seconds? Determine the probability that there will be at least 2 phone calls in the next minute?
How can estimate the empirical formula when 0.192 g of phosphorus is burned in oxygen, 0.440 g of phosphorus oxide resulted. Write down a balanced equation for the reaction of phosphorus with oxygen.
1957439
Questions Asked
3,689
Active Tutors
1421153
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Which of the ground rules for a healthy sexual relationship did Christine Sanderson indicate was particularly important for trauma survivors:
Problem: Answer in less than 400 word paragraph Discuss the gender differences found in personality disorders.
Use this model for how it impacts identity development over a lifespan: The authors of racial identity development models tended to be academics
Question: Which of the following is not a significant area of the client's life in which post-traumatic may be seen:
Before concluding your paper, you must discuss how the research findings inform the work of professionals who work with children (e.g., infant mental health spe
Gravetter and Forzano (2018) explains that external validity means how well the results apply to other people outside the study.
Using Google Scholar to research MMPI-2 and the number of articles that presents was about 21000. But t when giving the specifics to present articles