Which of the following equations is balanced?

A) 4P + 2O 2 - - > 2P 4 O 5

B) 2P + O2--> P 2 O 5

C) 5P + 4O 2 - - > 2 P 4 O 5

D) 4P + 5O 2 - - > 2P 2 O 5

What happens to a glucose molecule when it loses a hydrogen atom as the result of an oxidation-reduction reaction?

Six bonding pairs around a central atom results in a what? A. tetrahedral compound B. linear compound C. trigonal bipyramid D. octahedral

A researcher investigated the relationship between alcohol intake and reaction time using a driving simulation task. Participants drank either one ounce or three ounces of alcohol.

What is the percent by mass of nahco3 in a solution containing 10 g of nahco3 dissolved in 400 ml of h2o?

What elements are in water

What are 3 properties of carbon?

A (1. pathogen 2. Germ 3. Bacterium) is an agent that causes disease. All (1. bacteria 2. fungi 3. Viruses) are pathogens.

Calculate the solubility (in g/l) of calcium fluoride in water at 25°c if the ksp for caf2 is 1.5 * 10-10.

Distinguish between the terms accuracy and precision. In general, explain why a precise measurement does not always guarantee an accurate result.

Does it require more energy to melt an ionic compound or dissolve it in water? It requires much more energy to melt it. It takes about the same amount of energy. It requires much more energy to dissolve it. Ionic compounds are insoluble in water.