Adistance-time graph indicates that an object travels 2 m in 2 s and then travels another 30 m during the next 40 s.
what is the average speed of the object?
asmis
b4ms
c2ms
d 10 ms

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

Drug abuse will not lead to physical and psychological dependence. true or false ?

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)