What are the two tubes connecting the lungs and the trachea?

•bronchi

•pharynx

•larynx

•alveoli

When we think about the carbon cycle and human activities, it is important to differentiate between facts and hypotheses. Which of the following is NOT a fact, but is a hypothesis? A.

H2SO4 (aq) 2H + (aq) + SO4 2 - (aq), the addition of which compound will cause a shift in equilibrium because of a common ion effect?

Which of the following discribe a solution

Which piece of evidence would prove that a reaction is exothermic? There is a phase change during the reaction. One of the reactants is baking soda. The reactants have more energy than the products.

Cream of tartar has a pH that is (acidic or basic)

When adjusted for any changes in δh and δs with temperature, the standard free energy change δg∘t at 2400 k is equal to 1.22*105j/mol. calculate the equilibrium constant at 2400 k.?

What symbol represents "yields" or "forms" in a chemical reaction?

Hydrazine (N2H4) is a chemical compound used in rocket fuel. Which of the following represents the correct balanced equation for the reaction of hydrazine liquid with oxygen gas to produce nitrogen gas and steam? A.

Boyle's law is represented by which equation

A hot-water heater has an 8-ohm element that operates at 240 V. The power that's consumed by this water heater is A. 1,920 W. B. 30 W. C. 900 W. D. 7,200 W.