GRADED A+
✔✔chemical formula
planar structure
perspective structure
ball and stick
ballon model - ✔✔only shows the number
shows the alignment of
indicates which atoms are
another 3-D portrayal
3-D portrayal indicated
✔✔Convert the noted Joule to foot-pounds. Take your answer to three decimal places,
rounding up if necessary. Type numerical value only.
[energy] foot-pounds equals 7 Joule. - ✔✔5.162
✔✔All physical substances contain chemicals. - ✔✔true
✔✔Nearly all the fuels encountered by fire service professionals are based on carbon
chemistry. - ✔✔true
✔✔The terms alkenes and _________ are interchangeable. - ✔✔olefin
✔✔Aromatic compounds include toluene, methylbenzene and ____________. -
✔✔naphthalene
✔✔A solid consisting of atoms, molecules, or ions fixed in a regular geometric pattern
extending in all three spatial dimensions best describes a [matter1]. - ✔✔crystal
✔✔Avogardro's Number refers to the number of [number1] in the gram atomic mass of
any element. - ✔✔atoms
✔✔The pressure of a gas is a result of the collisions of the gas' molecules with a
surface. - ✔✔true
✔✔A mixture of two or more metals is a/an - ✔✔alloy
✔✔, and are the phases of matter. There are states of matter. - ✔✔solid, liquid, gas, 4
✔✔What is the heat capacity of water? - ✔✔4.18
, ✔✔is when a solid changes to a vapor without forming a liquid. - ✔✔sublimation
✔✔A stoichiometric mixture is a mixture of fuel and oxygen in ratios needed for
complete combustion with ______ residue of either component. - ✔✔no
✔✔phase change, oxidation exothermic ruction, endothermic, vape pressure -
✔✔change of state
the reaction of a compound
absorbs heat
releases heat
when the rate of ever-oration
✔✔energy is stored energy.
energy is energy associated with motion/work. - ✔✔potential and kinetic
✔✔A stretched rubber band is an example of potential energy. - ✔✔true
✔✔There are _____ laws of motion according to Newton. - ✔✔3
✔✔What kind of fluid flow is considered streamlined? - ✔✔laminar flow
✔✔What factors contribute to laminar or turbulent flow? - ✔✔velocity and viscosity
✔✔The phenomenon wherein the hot plume rises from a fire and then spreads
elsewhere in the fire room is known as: - ✔✔buoyancy
✔✔and are methods of heat transfer between bodies. is not an independent mode of
heat transfer but essential to describing fire phenomena. - ✔✔conduction
radiation
convection
✔✔The [number] number has a nearly constant value of 0.7 for air or combustion
product gases independent of temperature. - ✔✔Prandtl
✔✔Radiative heat transfer requires a medium to transfer heat. - ✔✔false
✔✔What is a hazard from heat transfer? - ✔✔life safety
✔✔People can tolerate radiant exposure of levels up to and including ________/m^2. -
✔✔2.5kW