Discuss how many joules of heat are needed to raise
The specific heat capacity of liquid water is 4.18 J/g-K. How many joules of heat are needed to raise the temperature of 5.00 g of water from 25.1°C to 65.3°C?
Expected delivery within 24 Hours
When 3.56 g of an unknown hydrocarbon was dissolved in 125 g of benzene, the freezing point of the solution was found to be 4.41oC. Analysis of the hydrocarbon showed that it contained 93.71% carbon (by mass) and 6.29% hydrogen.
The decomposition of dimethyl ether, (CH3)2O(g) -> CH4(g) + H2(g) + CO(g), is first-order with a half-life of 1733 s at 500oC. In an experiment at this temperature, if [(CH3)2O]is 0.033 M after 865 s, what was the original con
A standardized KMnO4 solution can be used to analyse compounds of unknown composition. One such compound is hydrated calcium oxalate, CaC2O4 xH2O.
What reagent solution would you use to separate the cations in the following pairs, that is, with one cation appearing in solution and other in precipitate?
In the Haber process, at 450°C, has an equilibrium constantK = 0.30. What is the equilibrium concentration of hydrogen in a system containing the following equilibrium concentrations of nitrogen and ammonia?
For a one step reaction, the activation energy for the forward reactio is +40.0 kJ / mol and the enthalpy of reaction (ΔH) is +20 kJ/mol. What is the activation energy for the reverse reaction?
A 0.45 M solution of pentanoic acid (CH3CH2CH2CH2COOH) is found tohave a pH of 3.73 at 298K. What is the value of the acid dissociation constant Ka for this monoprotic acid?
Why does H3O+ concentration have more influence on the precipitation of the salt of a weak acid, such as CaC2O4, than on the precipitation of the salt of a strong acid, such as AgCl or CaSO4?
1954900
Questions Asked
3,689
Active Tutors
1417752
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Address any issues related to human rights and social and economic justice. Attach a substantial bibliography using APA style
Sleep is vital for the brain because it allows it to rest and recharge. During sleep, the brain consolidates memories, processes information
What are the differences that may affect Cuban-American patients who immigrated at different times?
Identify the proposed telehealth technology. Research real solutions or propose a solution for technology that may not yet exist.
Describe a time when a client was rude or verbally abusive to you. How did you react? What skills were necessary to maintain a professional, caring, therapeuti
Discuss (2 pages) a personality disorders from the DSM-5-TR - Narcissistic. Then, select a therapy modality (individual, family, or group)
Describe a nursing theory/conceptual framework which correlate with your nursing philosophy and provide a foundation for your nursing practice: