JS

A 5 mL sample of an unknown liquid is placed into a 250 mL flask that has had all of the air removed. The pressure measured in the flask is found to be 39.9kPa. In a separate trial the student puts 214 mL of the same liquid into the same flask at the same...

Calculate the average density of planet Pluto, given its mean distance from the sun is 5.91×109 km, its radius is 1137 km, its volume is 6.157×109 km3, its orbital period is 248.1 years and its mass is 1.25×1022 kg. Report the density in g/cm3, without en...

Sarah and Henry share some sweets in the ratio 7:6 . Sarah eats 24 of her sweets and the ratio of sweets left becomes 1:2 . How many sweets did Henry have?

H2O is actually your base

Thank you. I just asked my tutor online for help, so I do not need any help anymore. Thank you anyways! :)

asking every seventh student on an alphabetized list of all students whom they would vote for.