What is a compound?

a) a combination of two or more substances that are not chemically combined

b) a combination of two or more elements that are combined in a certain ratio

How many teaspoons equal one tablespoon?

What is occurring in the following reaction? H2 + Cl2 → 2HCl A: Cl2 is being oxidized. B: H2 is gaining two electrons. C: Cl2 is acting as an oxidizing agent. D: H2 is being reduced.

A reading shows a pressure measurement of 43 in. Hg. What is the equivalent pressure in psi? A. 5.73 psi B. 2223.13 psi C. 26.32 psi D. 21.13 psi

The highest elevation Mt. Zembat in Alaska 40 years ago was measured at 7600 feet. Today the highest elevation is 7598 feet. What is the rate of change in elevation for this mountain?

How many grams of ethanol (density 0.80 g/cm3) should be added to 5.0 g of chloroform (density 1.5 g/cm3) if the resulting mixture is to have a density of 1.2 g/cm3? Assume that the fluids do not change their volumes when they are mixed.

Identify the precipitate (if any) that forms when KOH and Cu (NO3) 2 are mixed

What will happen to the equilibrium of this reaction if HCl gas is injected into the system? H 2 (g) + Cl 2 (g) Missing Metadata 2HCl (g) Question 1 options: The reaction will move to produce more HCl.

What combination of primary colors do we mix to get yellow

If you bend a straight chain of carbons, do you make a different structure? Why or why not?

The out side t layer is the linnets layer in the earth