For air, use a reference state of air at 25°c and 1 atm, and for water a reference state of liquid water at 0.01°c and answer the following questions. assume that changes in enthalpy due to pressure are insignificant. what is the specific enthalpy of air at 25°c?
answer these in units of kj/mol
what is the specific enthalpy of air at 25°c?
what is the specific enthalpy of air at 0.01°c?
what is the specific enthalpy of water vapor at 25°c?
what is the specific enthalpy of water vapor at 0.01°c?
what is the specific enthalpy of liquid water at 0.01°c?
what is the rate of heat added to the ac unit? kj/s

The element that has the greatest electronegativity is

1. an experiment in your science class lists the materials needed for the lab. it is your job, as a lab partner, to measure out 25 ml of distilled water and 2.5 grams of magnesium. what lab measuring tools would you choose to measure each substance and how would you use each tool to get the correct amounts? be sure to describe the process you would follow step-by-step. (5 points) 2.which of the following is an si base unit for measuring mass? (2 points) ampere gram meter pound 3.which of the following is an si base unit for time? (2 points) decades hours minutes seconds 4.which of the following tools should a scientist use to measure an object in milligrams? (2 points) graduated cylinder pan balance tape measure thermometer 4.which of the following tools should a scientist use to measure an object in milligrams? (2 points) graduated cylinder pan balance tape measure thermometer. 5.a pencil beside a metric ruler. the ruler is scaled from 1 centimeter to 10 centimeters, with markings for millimeters between each number. one end of the pencil is beside the 0 on the ruler, and the pencil point is beside the 5. which of the following measurements is accurate but not precise? (2 points) 5 mm 5 cm 50 mm 50 cm 6. which of the following prefixes represents the largest value? (2 points) giga hector kilo milli 7. which of the following types of graphs is best for plotting the percentages of a whole value in a data set? (2 points) bar graph circle graph histogram line graph

What causes most sediment to wash or fall into a river