Calculate the ratio of effusion rates for 238uf6 and 235uf6. The atomic mass of u -235 is 235. 054 amu and that of u -238 is 238. 051 amu.

True or falsethe right to privacy is clearly written out in the constitution

Summarize the work of famous environmental scientists of the past.

Sweater originally priced at $65 is on sale for 15% off.you also have a coupon that takes another $10 off.what percent of the original price do you pay?