What is the equilibrium constant for the reaction
The standard free energy change for the formation of N2H4(l) from elements is +149 kJ/mol at 25 °C. What is the equilibrium constant for the reaction? (R = 8.314 J/K·mol)
Expected delivery within 24 Hours
Calculate the standard cell potential (E^circ) for the reaction rm X {(s)}+ rm Y^{+}{(aq)} rightarrow rm X^{+}{(aq)}+ rm Y {(s)}
A first-stage recovery of magnesium from seawater is precipitation of Mg(OH)2 with CaO: What mass of CaO, in grams, is needed to precipitate 1000lb of Mg(OH)2?
If 43 g of hot water at 85°C is poured into a cavity in a very large block of ice at 0°C, what will be the final temperature of the water in the cavity?
What is the standard cell potential of a Cr-Hg cell? (Remember to switch one-half reaction to oxidation and to balance the number of electrons--use paper.)
a solution which is 37.2 mass% hcl has a density of 1.19g/ml.what mass of hcl is contained in 30.0ml of a solution.
Atmospheric pressure is 29.86Hg. What is the absolute pressure in psia being measured? The density of mercury at 70F is 13.543g cm^-3.
when 50.0 grams of acetylene is allowed to react with excess oxygen, 75.0 grams of CO2 are formed. What is the percent yield of carbon dioxide?
Determine the entropy change of the system when 0.750 g of ethanol (C2H5OH) evaporates, given ΔH vaporization is 40.5 kJ/mol and the normal boiling point of ethanol is 78.5 °C.
1927222
Questions Asked
3,689
Active Tutors
1421823
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
If you were the teacher, how would you improve this classroom experience, especially regarding developing a community of learners
Discuss how language acquisition in children 0 to 3 years of age is impacted by environmental influences.
What will it be like for you to write a dissertation? What excites you about the process? What challenges do you expect to encounter?
This week's reading mentions three concepts: continuity, consistency, and connectivity. How do these three elements relate to planning an effective curriculum
For this assignment, watch the documentary below. Ireland was England's first colony and the first to start the process of decolonization.
This assignment is intended to help you learn to identify stakeholders involved in students' workplace problems and discuss it with peers.
1. How do your opinions about the American justice system compare with the views of others?