A mixture of xe, kr, and ar has a total pressure of 6. 70 atm. What is the mole fraction of kr if the partial pressures of xe and ar are 1. 60 atm and 2. 80 atm, respectively.

The y-value if a data point corresponding to x1

Given: m∠apc = 27°, m dc = 27° find: m ab

Abag contains even and odd numbered balls in the ratio of 3: 7, respectively. for each of the following, what is the probability of drawing an even-numbered ball? the total number of balls is 240 and 30 of the odd-numbered balls are renumbered by multiplying the numbers by 4.