A sample of nitrogen gas (N2) in a rigid 73.0 L container at a temperature of –32°C exerts a pressure of 1.90 atm. Calculate the pressure of the gas when the temperature is increased to 32°C. 7

Complete the following reactions using word and balanced equations including states. dilute phosphoric acid is added with a calcium hydroxide solution.

Which type of orbits are found in the principal energy level n = 2 a - s b - s, f c - s, d d - s, p e - s, p, d

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line