Calculate the work done in kilojoules when 17.58 grams of copper reacts with excess nitric acid to form copper(ii) nitrate, nitrogen dioxide gas and liquid water in (a) a closed 200ml vessel and (b) an open beaker at 30oc. in addition, indicate if the system is doing work on the surroundings or the surroundings are doing work on the system. assume ideal gas conditions.

14 days is the half-life of phosphorus-32

here is table 2-2:

country

percent of eligible voters that voted

rank

united states

44.9%

138

canada

60.1%

107

costa rica

84.6%

14

hungary

66.9%

82

japan

57.0%

118

egypt

27.7%

159

south africa

85.5%

10

ans is no, the data set cannot be plotted as a single circle graph

the pseudoscience are like beliefs, theories, or like practices that are considered scientific

if the temperature drops and becomes cool

then the atmosphere can be freezing as the water vapor in the air is at maximum (100%) and can be severely cold

also can be snowing lightly as the moisture in the air will start to solidify

and btw this is not chemistry but