Explain how much heat is liberated
Calcium Oxide and water react in an exothermic reaction:
Cao (s) + H2O (l) → Ca(OH)2 ΔH= -64.8kj/mol
Explain how much heat is liberated when 7.15 g CaO(s) is dropped into a beaker which is having 152 g H2O?
Expected delivery within 24 Hours
Identify the uncertainty in position associated with an electron that is moving with a velocity of 289 km/s. The uncertainty in the velocity is 5.00%. The electron rest mass is 9.11e-31kg.
Two independent random samples of size n1 = 24 and n2 = 20 are taken from two normal populations. The sample means are x1-bar = 220 and x2-bar = 240. The variances are sigma1^2 = 15 and sigma2^2 = 18. Find the following:
Explain what weight of water would be necessary to carry over 1g of toluene if a mixture of toluene and water is distilled at 97 C.
Determine what fraction of the incident intensity emerges from the Polaroid? When this beam is then incident on the second sheet of Polaroid having its transmission axis all along the vertical, find out what fraction of the beam's original intensi
A person's prescription for her new bifocal glasses calls for the refractive power of -0.500 diopters in the distance-vision part and a power of around 1.90 diopters in the close-vision part.
Thirty two students taking Calculus II and Physics I, and 11 students taking Physics I and Discrete Mathematics II. How many of such students are taking exactly two of the three courses?
Calculate the standard enthalpy of formation (ΔHf) of NaF (s) when .560g of Na (s) reacts with excessF2 (g) to produce the NaF (s), 13.8 kj of heat is evolved at standard state conditions.
A dipole having dipole moment of 1.5 nC*m is oriented at 30 degrees to an electric field, 4.0*10^6 N/C. (i) Find out the torque on the dipole? (ii) Determine how much work is needed to rotate the dipole till it is parallel to the field.
1924110
Questions Asked
3,689
Active Tutors
1460874
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
An adult patient presents with retrosternal chest pain that radiates to the shoulder when they are outside chopping wood.
A psychiatric nurse practitioner is working with David, a 45-year-old man who has been smoking for over 20 years. David acknowledges that smoking is bad for his
Question: Which of the following requires compliance with HIPAA while functioning as an APRN
During a routine check-up, a nurse notes a non-healing ulcer with a raised border on a client s tongue. What is the most appropriate action?
A client with IBS complains of alternating diarrhea and constipation. Which nursing intervention is most appropriate to address the client's symptoms?
A client with suspected appendicitis reports pain that started around the umbilicus and is now localized to the right lower quadrant.
A client with IBS is prescribed dicyclomine for symptom management. The client asks why this medication is needed. What is the nurse's best response?