Explain how much heat is released per mole of ethanol
Explain how much heat is released per mole of ethanol combusted for the equation C2H5OH (l) + 3O2 (g)--> 2CO2 (g) + 3H2O (g), ΔUrφ = -1373 kJ at 298 K.
Expected delivery within 24 Hours
When a sample of chloroform is found to contain 98.4 g of chlorine, 11.1 g of carbon and 0.93 g of hydrogen, determine the total mass of chloroform in the second sample if a second sample of chloroform is found to contain 25.0 g of carbon.
Describe the isomers of the isopentenes (C5H10), name each isomer (IUPAC) and provides the list in order of increasing the stability.
i) The width of central maximum on a screen is around 8.10 cm. Determine how far is the screen from the slit? ii) Find out the width of the first bright fringe to the side of central maximum.
To make the concentration exactly 0.2000 M, discuss what volume of water must be added to 450.0 mL of 0.2080 M acid.
The function and how it is to be shifted is given. Determine shifted funciton and then display given function and shifted function on same screen of the graphing calculator. \(y=-5x^{2}, down 3, left 3\)
The first person is primarily moving forward with a speed of 2.40 m/s, and the second person is primarily at rest. Determine the velocities of the two people after the snowball is exchanged? Ignore the friction among the skates and the ice.
Cylcopropane (C3H6) re-arranges to propane(CH3-CH-CH2) at 500 degrees C. The reaction is a first order, and the rate constant is 6.7*10^-4s^-1.
The force is not parallel to the hill. When the coefficient of kinetic friction among the block and the slope is 0.10, determine the speed of the block as it completes its 5 m displacement.
1930922
Questions Asked
3,689
Active Tutors
1446310
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Which of the following designs is most appropriate for studying the effects of an intervention in a real-world setting?
Carl Rogers delineated the ideas of "active listening," "unconditional positive regard," and "accurate empathy" as foundational to the process of psychotherapy.
What is a research problem? Need Assignment Help? Question options: An argument that spells out the basis for a new study
Laurie's study also validated that among the study participants the topic of sexual abuse/assault was a top choice of interest for group
Problem: Pick a mental health/behavioral disorder or issue that typically presents in childhood or adolescence.
Carl Rogers identified active listening, unconditional positive regard, and accurate empathy as core conditions for successful helping relationships.
Discuss why researchers generally try to ensure that the participants in the comparison group are similar, as much as possible, to the participants