How many number of moles of barium sulphate are formed
500cm3 of 0.250M of na2so4 is added to an aqueous solution of 15.0g of BaCl2 resulting in a white precipitate of insoluble BaSO4. how many number of moles and how many gram of BaSO4 are formed?
Expected delivery within 24 Hours
An airline passenger dangles her watch from a string while the jet takes off. The string makes an angle of 25o with respect to the vertical while the aircraft accelerates for takeoff, which takes about 18 seconds. Estimate the takeoff speed of the
Discuss five Indirect or direct environmental issues of database management system?Describe some current or potential ethical consideration on database management system.
Calculate the equilibrium constant, Kc, she obtained for this reaction. A student ran the following reaction in the laboratory at 689 K
A space station, in the form of a wheel 115 m in diameter, rotates to provide an "artificial gravity" of 3.20 m/s2 for persons who walk around on the inner wall of the outer rim. Find the rate of rotation of the wheel (in revolutions per minute) t
Calculate the amount of heat evolved in the oxidation of 32.0 g of Fe (Ar = 55.85 g/mol) at 25 oC and 1 atm pressure ( ΔHfo(Fe2O 3,s) = -824kJ/mol)
What is the specific heat of aluminum if the temperature of a 28.4 g sample of aluminum is increased by 8.1 oC when 207 J of heat is added?
A skydiver whose parachute is fully deployed is descending at constant speed. Describe what is happening to her kinetic energy, her potential energy, and her total mechanical energy as she falls. Is any work being done? If so, by what force or for
How and why slavery developed in the American colonies. Why couldn't colonists use indentured servants as they had in the past?
1940603
Questions Asked
3,689
Active Tutors
1444074
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Problem: In post-cardiac arrest care, how can the nurse BEST optimize hemodynamics?
Falls are a common cause of injury. Mr. Jose, the Nurse Assistant is aware 1 point that the following might help prevent the patient from becoming injured
Mario is the Nurse Assistant, and finds a fire burning in a wastebasket at room 106. Fire begins to spread to the wall. What should the Nurse Assistant do first
Problem: When assessing a child with Down syndrome, which of the following features may a nurse observe except?
Problem: When assessing a child with Down syndrome, what should the nurse expect to find?
Problem: The two most infectious clinical manifestations of secondary syphilis are:
Noreen recently lost her husband after a brief illness. She is 70 years old and was married for 48 years. Which of these outcomes is most likely for her?