Which phrase describes gravitational attraction? how heavy an object feels

the amount of matter in an object

how objects respond to changes in mass

the pull between objects with mass

The reaction q+r2=r2q is found to be first order in r2 and

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

What is a metal replacement reaction