Molarity of the strontium ion
The average concentration of strontium ion in seawater is 8.00 mg of strontium ion per kg of seawater. What is the molarity of the strontium ion if the density of the seawater is 1.025 g/mL.
Expected delivery within 24 Hours
A boiling-water-type nuclear fission reactor has shut down, the backup pumps have failed and emergency cooling water must be pumped between fuel-rod assemblies in the reactor core at an average velocity of 0.5 m/s.
Suppose station A and B are interconnected through two parallel unreliable links, where each link has a failure probability of 0.1. Calculate the average seconds per day when A and B lose communication.
When a metal was exposed to light at a frequency of 4.00× 1015 s-1, electrons were emitted with a kinetic energy of 5.40× 10-19 J. What is the maximum number of electrons that could be ejected from this metal by a burst of light (at so
Drinking water at 10oC for an office complex must be pumped along a horizontal section of PVC pipe 50 m long at 2 m/s. The pipe has a nominal diameter of 62.5 mm and is Schedule 40. What is the head loss in m?
You are designing a remote-area power supply based on a miniature wind turbine that is 20% efficient. Meteorological data indicates an average wind speed of 24 km/h at an air temperature of 10oC and pressure of 0.9 atm.
What will the final temperature be, of a mixture made from equal masses of the following: water at 25.0C, ethanol at 35.5C and iron at 95.0C?
If NaOH is added to the solution, will the amount of CaC2O4(s) precipitate increase or decrease ? Explain why by discussing the direction of the shift in each equilibrium reaction.
2 mol of a compound is allowed to react in a foam coffee cup that contains 101 grams of water. the reaction caused the temperature of the water to rise from 21 to 24.7 C. What is the enthalpy of the reaction?
1960286
Questions Asked
3,689
Active Tutors
1415546
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Suppose that a group of researchers would like to explore how we perceive objects in the real world, rather than just in a laboratory
Early food experiences can impact development over several learning domains, including Social and Emotional Development, Language
Problem 1: Identify a specific theory of cognitive or moral development, and summarize the major assumptions.
Which of the following is a behavioral indicator related to Family? A) Developing school readiness and transition strategies B) Developing collaborative
What is another way to say ". It is important to ensure that the youth understand what the study involves, what their participation entails
Adler believed that your birth order determines, to a large extent, your personality. He stated that your traits reflect, somehow, how you have achieved
Sahir is the most active student in your kindergarten class. He tends to be very disruptive when the teacher you work with is teaching the class,