Determine the temperature of 2.49 moles of gas contained in a 1.00 L vessel at a pressure of 143 kPa. ( R = 8.314) 895 K

539 K

0 K

7 K

For the following reaction, 5.65 grams of oxygen gas are mixed with excess hydrochloric acid . assume that the percent yield of water is 86.4 %. hydrochloric acid(aq) + oxygen(g) water(l) + chlorine(g) what is the ideal yield of water ? grams what is the actual yield of water ? grams

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

How do you lengthen a pattern piece? (family and consumer science, sewing)