Use the drop-down menus to complete the statement and describe how energy relates to work.

transfers

between objects.

Hydrogen gas can be prepared by reacting metallic sodium with water: 2Na (s) + 2H2O (l) → H2 (g) + 2NaOH (aq). If the price of sodium were 165/kg, what would be the cost of producing 1.00 mol of hydrogen. Ignore the cost of the water.

A conversion factor is a fraction that is always equal to what number? 1 10 100 It varies according to the problem.

1 message Which process results in the increase in entropy of the universe? the cooling of a hot cup of coffee in room temperature air the melting of snow above 0 °C all of the above the evaporation of water from a desk at room temperature

Which element is a liquid at 25 celsius degrees and 1.0 atm? (A) bromine (B) krypton (C) phosphorus (D) xenon

Each enzyme functions in a different area of the body, but both work to harness the power in carbohydrates and break these complex molecules into simple sugars.

Organic molecules always: A. contain carbon. B. contain carbon, hydrogen, and oxygen respectively in a 1:2:1 ratio. C. are produced by living organisms. D. dissolve in water.

Whats the scientific notation of 0.00000923

A catalyst increases the rate of a chemical reaction by

What energy is changed to cell energy in stage 1 of photosynthesis. true or false

A person produces two sound waves with a flute, one immediately after the other. Both sound waves have the same pitch, but the second one is louder. Which of the following properties is greater for the second sound wave?