Calculate the concentrations at equilibrium
The equilibrium constant Kc for the following reaction is 2.18 106 at 730°C.
H2(g) + Br2(g) 2 HBr(g)
Starting with 3.10 moles of HBr in a 12.0 L reaction vessel, calculate the concentrations of H2, Br2, and HBr at equilibrium.
Expected delivery within 24 Hours
What was the chemical reaction in the body, and what substance in the liver was produced to help catalyze the reaction?
Would you be able to use Fe(3+)ions as an indicator for determining the concentration of silver in an unknown solution?
What is the molality of a solution that contains 3.0g urea (molecular weight = 60 amu) in 100g of benzene?
The acidic constituent in vinegar is acetic acid. A 10.0-mL sample of a certain vinegar contains 500. mg of acetic acid. What is this mass of acetic acid expressed in micrograms?
A student makes 215 mL of a 3.15M solution of Na2SO4. he then forgets to seal it and some water evaporates overnight. When he comes back int he morning, the volume of the solution is only 205 mL.
A laboratory animal exercised on a treadmill that was connected to a weight with a mass of 256 g through a pulley. The work done by the animal raised the weight through 1.22 m.
A gas occupies a volume of 458 mL at a pressure of 1.01kPa abd temperature of 295 K. When the pressure is changed, the colume becomes 477 mL.
Potassium weighing 3.91 grams was carefully placed in a 1 liter beaker filled with water. All of the potassium reacted to produce bubbles of hydrogen gas, which, because of the extraordinary care that was taken, did not ignite.
1948932
Questions Asked
3,689
Active Tutors
1413523
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
What are three avenues for teachers to help children learn concepts and skills in The Creative Curriculum?
Answer the following: What are the positive aspects of the teacher's management? Need Assignment Help? What problems are occurring?
One of the key elements of applying critical thinking into leadership practices is to complete action research.
The assignment for this week is to use either DMAIC: Define, Measure, Analyze, Improve, Control, or DMADV: Define, Measure, Analyze, Design
The selected theory should be one that has a significant influence in explaining development. An example of one such theory may be:
How can critical thinking improve our ability to understand and resolve conflicts in personal and professional relationships?
The purpose of this assignment is to know and apply understanding of theories related to the effect of culture in language learning and school achievement