Pleassee i will give 20 points no wrong answers pllzz if water with the mass of 15.0 grams is heated into water vapor in a closed system such as a closed glass jar, what is the mass of the gas after the water completely vaporizes? a) 13.5 grams b) 15.0 grams c) 16.5 grams d) the mass cannot be determined without knowing the volume.

Average annual precipitation and are the two major features that define the biomes on earth.

Anton created a chart listing different types of materials. which best complete the chart?

Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.