Do in 20 min please answer The small piston of a hydraulic lift has an area of 0,200 m2. A car weighting 12,000N is mounted on the large pastion (area=0.90 m2) what force is extended on the car?

At a pressure of 650 kpa hydrogen is used to fill a balloon to a final pressure of 115 kpa. What's is the balloon's final volume??

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

Why is the bottom layer of a trophic pyrimid the

Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?