Calculate the energy needed to change 200.0 g of water from 50.0 °C to steam at 110.0 "C. 119,000 kcal
118.9 kcal
10.9 kcal
119.0 kcal

answerscientific theory;

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.