The chart provided gives some information about four energy sources. Which energy resource would be best for a city that has a limited amount of open space and wants to use an efficient source of energy?
Energy Resource
Solar Energy
.
Features and Requirements
Costly to build facility
6% to 30% efficiency
Wind Energy
Turbines must be in a location free
of obstructions
40% to 80% efficiency
Natural Gas
Can be used in smaller, existing
facilities
50% to 60% efficiency
.
Biomass
Uses agricultural and forest
Industry by-products
25% to 30% effidency
.

the equation that correctly represent the reaction for formation of ammonia is

n2+ 3h2 → 2nh3 (answer d)

1 mole of nitrogen gas (n2) react with 3 moles of hydrogen gas (h2) to form 2 moles of ammonia ( nh3). this is in a process known as haber process were iron is used as a catalyst and reaction take place that a higher temperature and pressure. the process is exothermic hence energy is released.

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.