B.
by using a Richter scale
The benefits of using a propane generator versus a gasoline generator is that a propane generator is more cost efficient. You will save money on propane use. Gasoline is more expensive. Propane generators are also safer for the environment.
There are many advantages to using a propane wall heater instead of natural gas. Propane lasts longer and doesn't give off any oxidants (fumes). Also propane is around the same price as natural gas.
My personal experiene with using propane on my fireplace is that it is a lot cheaper than electricity. However, it is not as cheap as gas.
D. un/na number 1017 and guide number 124
the correct answer is 2,169 feet
An orifice is a hole (as in "anus orifice"). A propane orifice could be created using brass. Consult your local professional.
nitrogen, UN/NA number 1066, guide number 121
Propane itself doesn't cook the food faster than charcoal, it heats up faster than charcoal. They are also easier to light and keep lit. They cost of a propane grill is higher to own because of the cost of propane. Some like using charcoal, some like using propane. It's all a matter of choice.
((1.5 x 1000)/molecular weight of propane) x molar heat of combustion of propane.
Propane burns without leaving behind any ashes, unlike wood or coal. It is therefore neater.
The elements that must combine to make propane are C and H, using symbols. These are carbon and hydrogen, respectively.