Calculate the specific volume of nitrogen, with a molecular weight of 28 kg/kmol at a pressure of 2 bar and a temperature of 15° C. Take Ro = 8.314 kJ/kmol. K.​

it's a b and

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.

the force represented by vector a is normal force. if the hockey puck is moving to the right, when it is hit with a significant force by the hockey stick the puck will move off in a different direction. correct on edge.