In the reaction Fe + Cl₂ → FeCl₃, the balanced equation is:

Which of the following is a balanced equation?

A syringe contains gas at 760 mmHg in a 1.00 L chamber. If the plunger is pushed to 500. mL while the temperature remains constant, what is the new pressure?

The molar mass of a compound is 180 g/mol, and its empirical formula is CH₂O (30.0 g/mol). The molecular formula is:

The Lewis structure of N₂ contains:

A patient has the following blood gas results: pH=7.36, PaCO2= 50, PaO2 = 75, Hb = 13, FIO2 = .21, HCO3 = 29, SaO2 = 93%, PECO2 = 45, VT = 200 ml, f = 32. What is the patient’s VD/VT? 

A patient in cardiopulmonary arrest is being resuscitated. A few minutes later, the following waveform is present with no palpable pulse. The healthcare team continues CPR. What is the waveform below?

A COPD patient breathing room air presents with shortness of breath. His SpO2 is at 85% and he is breathing at a rate of 26 breaths per minute with a heart rate of 105 bpm. What should the respiratory therapist do at this time?

What is the name of the thin serous membrane that covers the lungs?

In the middle of the poem, Carson describes a series of self portraits she dreams, which she calls: