Feu vkdu qtg gi. rls joi. n for study here i am also a girl here we study girl is allowed here boy are not allowed here we only study so co. me for study in me. et. ing gir. ls co. me for study​ here its boys disturb me. eting so boys not allowed girls is allowed i am also a girl its a safe me. et. ing​j​

One mole of zinc has a mass of 65.4 grams. approximately how many atoms of zinc are present in one mole of zinc? 32 × 1023 atoms 6 × 1023 atoms 66 atoms 65 atoms

What is the polyatamic ion of thiosulfate

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size