Dihydrogen sulfide reacts with oxygen gas to form sulfur dioxide and water. How many moles of oxygen gas will react when 0.6469 moles of water are formed?

Heat flow inside earth activity i chose chemistry cause there is no science alert! the newspaper has been hacked, and all of the headlines have been changed to reflect old legends. it is your task to make sure they are corrected. choose one of the newspaper headlines. you will rewrite the headline and a one-to-two-paragraph article to make the news scientifically correct. be sure to include the following in your corrected newspaper article: new title reflecting correct information detailed information about the processes and tectonic plate interactions that are causing the geological event to occur real-world example of where to find the geological event on earth (picture and location) also review the grading rubric before you begin.

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

What does the symbol (–hfus) indicate in a phase change?