Blog

You found a colorless liquid kept in a beaker on your lab desk. You can dispose off the liquid in the sink and use the beaker.

Determine the rate law and the value of k for the following reaction using the data provided. NO2(g) + O3(g) → NO3(g) + O2(g)   [NO2]i (M) [O3]i (M) Initial Rate M/s 0.100 0.33 1.42 0.100 0.66 2.84 0.250 0.66 7.10  

Consider the following gas phase reaction at 25 °C. N2(g) + C2H2(g) ⇌ 2 HCN(g) 1.600 mol N2(g) and 1.750 mol C2H2(g) are placed in a 1.000 L vessel and the mixture is allowed to react. At equilibrium, there are 1.587 mol N2(g) in the mixture. What is Kc for this reaction at 25 °C?

Determine ΔG°rxn using the following information. H2(g) + CO(g) → CH2O(g) ΔH°= +1.9 kJ; ΔS°= -109.6 J/K  

Silver bromide has a low Ksp. If 1M NaBr solution is added to AgBr solution, the solubility of silver bromide will be higher than in pure water at 25oC

Based on the recommendation of educators and researchers, I can be expected to devote _____ hours per week to this course.

Nora West-Allen decided to survey the residents of Central City to determine the approval rating of the Flash.  She surveyed the first ten people that she saw inside the coffee shop CC Jitters. Which sampling technique did Nora use?

The first line treatment for pseudomembranous colitis is ______ .

What is the minimum amount of Representatives that each state must have in the House of Representatives? _______ How many senators must each state have? _______

What does it mean when we say that government spending is mandatory or non-discretionary?