The molar volume at the normal boiling point of a substance can be estimated by the lyn and calus correlation in terms of the critical molar volume according to the following equation: v = 0.285v 1.048 where both variables are given in [cm3/mol]. (a) to maintain the dimensional homogeneity in this equation, what would the units of the constants 0.285 and 1.048 have to be? (b) modify the equation so that both variables are given in [ft3/lb-mol]. (c) the critical volume of carbon dioxide is 260 [cm3/mol]. use the above equation to estimate its molar volume at the normal boiling point. (d) convert the critical volume to [ft3/lb-mol] and use the equation obtained in (b) above to estimate the vb in [ft3/lb-mol]. (e) convert your answer in (c) to [ft3/lb-mol] and compare it to the one obtained in (d).

Astudent made a graph plotting the progress of a reaction over time. the student forgot to label the y-axis of the graph. a graph is shown with two graph lines. one graph line starts at a higher position on the y axis and slopes downwards towards the right. the other graph line starts at a lower position on the y axis and slopes upwards towards the right. the two graph lines stop short of intersecting each other and continue as separate lines which gradually become straight and parallel to the x axis. a vertical line is shown at a point where the two graph lines finally became parallel to the x axis. this vertical line is labeled equilibrium. the title on the x axis is time and an arrow pointing towards the right is shown above time. the title on the y axis is left blank. what best explains the label that the student should use on the y-axis? amount, because as the amount of product decreases, the amount of reactant increases over time. reaction rate, because forward and backward reaction become equal at equilibrium. amount, because the amounts of reactants and products become constant after equilibrium is reached. reaction rate, as the rate of forward reaction increases and rate of backward reaction decreases over time.

How have the greenhouse gasses increased from the year 2000 to 2018

Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.