What is humus in soil composed of?

Weathered rocks

Worms

Chick peas

Decayed organic remains

What can you conclude about why Arrhenius bases are considered a limited case of Bronsted-Lowry bases. A) All Arrhenius bases can act as proton acceptors. B) Arrhenius bases release hydronium ions in solution.

How many significant figures are in the measurement 10,010 grams?

Why doesn't vegetable oil stay dissolved in vinegar to make a salad dressing?

What happens to the electron configuration when you move across a period to the right?

Which clue can be used to identify a chemical reaction as a combustion reaction? Oxygen is a product. A hydrocarbon reacts with oxygen. Water and carbon dioxide react. The reaction involves ions.

Name the feature of the ocean floor shown at A and describe how it's formed.

A certain element consists of two stable isotopes. The first has a mass of 62.9 amu and a percent natural abundance of 69.1 %. The second has a mass of 64.9 amu and a percent natural abundance of 30.9 %. What is the atomic weight of the element?

Nonmetals rarely lose electrons in chemical reactions because?

What is the mass of carbon in 500. g of octane?

Which of the following is true about the relationship between the energy gap (∆E) between the spin states for a 1H nucleus and the strength of the external magnetic field?