After 0.600 l of ar at 1.02 atm and 220°c is mixed with 0.200 l of o2 at 365 torr and 143°c in a 400.−ml flask at 22°c, what is the pressure in the flask?

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.