if 44.5 L of nitrogen at 742 mm Hg are compressed to 536 mm Hg at constant temperature. what is the new volume ?

Can someone i have no idea of how to do this.

What would be he the strand of complementary dna produced be the strand of dna shown below> tcg aag

An adult inhales about 6.0×10−4 m3 of fresh air during a breath. only 20% of fresh air is oxygen. assume the pressure in the lungs is 1.0×105 paand the air is at a temperature of 300 k. how many oxygen molecules are in each breath? a. 1.4x10^23 b. 2.9x10^21 c. 4.9x10^-4 d. 2.9 x10^25