Nitrogen-fixing bacteria, such as cyanobacteria, can use atmospheric nitrogen (n2) for their nitrogen source. Nitrogen-fixing bacteria, such as cyanobacteria, can use atmospheric nitrogen (n2) for their nitrogen source.

a. True

b. False

Calculate the mass of CO2 produced by the combustion of a tank of gasoline. Assume the mass of gasoline is 46.0 kg and that gasoline is pure octane (C8H18).

According to the law of conservation of momentum, which statement is true about a system that has no external forces acting on it? O A. An increase in momentum before a collision must equal an increase in momentum after the collision. O B.

An unknown liquid has a pH lower than 7, conducts electricity poorly, and tastes sour, what kind of solution is the unknown?

How many mL of a 3.5 M sodium hydroxide will be needed to neutralize 15mL of a 4.3 M hydrochloric acid solution?

Convert 0.74Kcal/min to cal/sec

Which is not true of the standard conditions for electrochemical cell measurements? Gases are at 1 bar pressure. Liquids are in the pure state. Solids are in the pure state. Solutes are at 1.0 M concentration. The cell voltage is always positive.

When a solid is formed from the combination of two solutions of ionic compounds it is called?

Type in the correct number for each question in the text box provided. Consider the synthesis of one molecule of glucose.

A particular yeast ferments glucose (c6h12o6; molar mass = 180.2 g/mol) and generates ethanol (c2h5oh; molar mass = 46.07 g/mol) with an 87% yield. what mass of glucose is required to produce 475 g of ethanol by this process?

You purchase several rolls of fiberglass insulation and pay extra for installation. Have you purchased a product or a service?