If it takes 1130 kJ of heat to boil 0.500 kg of water, what is the enthalpy of vaporization or
water?
0.5 kJ/kg
0 1130 kJ/kg
o 2260 kJ/kg
O 4520 kJ/kg

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

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?