Why is nitrogen fixation necessary?

What do a Am radio, Fm radio, television and cell phones have in common. A.) they were all invented in the same year B.) they were all invented by the same scientist C.

4) If a person is riding a bike and want to slow down, they use the brakes. This is an example of which of the following?

Which of the following measurements contains two significant figures? A. 0.00300 L B. 0.00303 L C. 0.00033 L D. 0.00330 L

In the event of a chemical spill in the laboratory that involves broken glass, briefly explain the correct order of steps that should be taken by the student to address this situation.

How can you describe the location of hafnium (Hf, atomic number 72) on the periodic table? Choose all that apply. (A) Transition metals (B) Noble gases (C) Group 6, Period 4 (D) Group 4, Period 6

Are needed to digest food in the stomach

What is the volume of 2.1 moles of chlorine gas at STP?

If one starts with pure NO2 (g) at a pressure of 0.500 atm, the total pressure inside the reaction vessel when 2 NO2 (g) ⇌ 2 NO (g) + O2 (g) reaches equilibrium is 0.674 atm. Calculate the equilibrium partial pressure of NO2.

Mrs. Jones is pushing her daughter in a stroller. If the stroller has a mass of 5 kg and it is accelerating at 2 m/s2, what amount of force is Mrs. Jones applying to the stroller? N (free response)

Which kelvin temperature is equal to - 73 Celsius