The number of moles of oxygen gas needed to react with 4.0 moles of mg is

The molecule in question 1 is ethyl alcohol. The oxygen atom in ethyl alcohol forms a polar covalent bond with the hydrogen atom.

The burning of fossil fuels results in which type of chemical reaction? A) decomposition b) single-replacement c) combustion d) synthesis

Which of the following elements has the largest atomic size? S, Ba, Po, Ca

Which of these changes would NOT cause an increase in the pressure of a contained gas a. the volume of the container is increased b. more of the gas is added to the container c. the temperature is increased d.

When hydrogen ions combine with hydroxide ions the resulting molecule is considered?

Visible light is the A. highest energy level on the electromagnetic spectrum. B. only part of the electromagnetic spectrum that can be seen by humans. C. lowest energy on the electromagnetic spectrum.

Which of the following is likely to be the most valid source of information about pollution?

Which traits did Meiolania have

One of the alkali metals reacts with oxygen to form a solid white substance. when this substance is dissolved in water, the solution gives a positive test for hydrogen peroxide, h2o2.

Whats more metallic silicon sodium sulfur or thallium