Nitrogen has an atomic mass of 14.007 amu. Nitrogen has two common isotopes. One of the isotopes has a mass of 14.003 amu and a relative abundance of 99.632%. What is the % abundance of the other isotope?
What is the mass of the other isotope?

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size