You need 27 moles of Selenium (Se) for a reaction at STP. What volume of selenium must you measure?

8.30 L

0.12 L

0336 L

60.48 L

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?