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.

Henry just set up direct deposit from his employer to his checking account. the equation y=360x-126.13 represents the balance in henry's account if he deposits his weekly paycheck for x weeks. based on this equation, which of the following statements is true? a) henry earns $126.13 per weekb) henry made an initial deposit of $126.13c) before setting up the direct deposit, henry had overdrawn his accountd) when henry set up the direct deposit, he already had $360 in his account

What are the five categories of my plate

Why are gold and platinum used for jewelry