How are oxidation number element and electrons related?

If a sample is analyzed and the line intensity registers a relative color intensity of 15, what is the approximate molarity of morphine in the sample? (note: the molecular formula of morphine is c17h19no3)

Which exters stronger gravitational pull on earth, the sun or the moon?

Based on their composition and structure, list CH3Cl, CH2=CH2, and CH3CH2CH2OH in order of decreasing intermolecular forces. Rank the compounds from strongest to weakest intermolecular forces. To rank items as equivalent, overlap them.

Hana fills a cup with sandy ocean water. She pours the mixture through a filter. What does she collect that passes through the filter?

Hf is a corrosive gas. at 2.0 atm and 300 k, hf occupies a 4.50 l volume. how many grams of hf are in the volume? 1. 7.3 g 2. 2.74 g 3. not enough information is given. 4. 0.573 g 5. 15.6 g 6. 4.82 g

What is an empirical formula? O A. The chemical formula that reveals how the molecule actually exists in nature O B. The chemical formula that is written in terms of percent composition O C.

What part of an original isotope's number of atoms remains after two half lives?

What gas has formed when bubels form when water is boiled?

A physical property can be observed or measured without changing the identity of a substance. Which of these choices describes a physical property? The temperature at which a liquid will boil. The tendency of a substance to explode.

What is the correct order of sediment size from smaller particles to bigger particles?