if one place is 85.76 G of pennies into 10.01 mL of water in a graduated cylinder and the volume increases to 21.56 ml what is the density of the pennies?​

200. ml of 3.00 m nacl solution is diluted to a final volume of 500. ml. what is the molarity of the final solution?

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)