Which conclusion is best supported by the data? The line graph shows the depth of the Mississippi
River from May 2007 through May 2015. It also shows
the depth at which the river floods. These data were
collected using a gauge that measures the height of
the water, or water depth.
O The Mississippi River floods every year.
O The Mississippi River was deepest during 2009.
O The Mississippi River was shallowest during 2014,
O The Mississippi River's depth rises and falls in a
cycle over time
Water Depth of Mississippi River
May 2007-May 2015
Gauge height
Flood stage
Gauge Height (feet)
50-
45-
40-
35-
30-
25-
20-
15-
10-
5-
0
2007
2011
ε
2008
2009
2010
2012
2014
2015
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Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -

Based on the equation and the information in the table, what is the enthalpy of the reaction?

You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?