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Fire Behavior and Combustion
Option 1. Our textbook suggests that if the liquid is at or above its flash point, the flame spread rate is fast, and the entire pool is engulfed within seconds.
In such a case, the liquid is already evaporating sufficiently to reach the lower flammability limit in the vapor phase over the fuel surface.
Can liquid burn if its ambient temperature is below its flash point? Why, or not?
Option 2. The authors of our textbook suggest that when a fire plume hits a ceiling, it spreads horizontally.
Describe two reasons why the properties of the ceiling jet and the hot, smoky upper layer in a room are important.
Do the ceiling jet and the upper layer differ? Why, or why not?
If 12.5 g of CCl3F is enclosed in a 1.1 -,L container, will any liquid be present? What is the mass of the liquid?
Write the net ionic equation for this reac- tion occuring in water: Calcium sulfide and iron(II) bromide are mixed to form iron(II) sulfide and calcium bromide.
How does electron configuration work. If I have [Ar]3d^5 as an example how do I know what it actually equals
determine the specific heat of a material if a 35 g sample of the material absorbs 48 j as it is heated from 298 k to 313 k
Problem- For a certain reaction, you measure K273K = 0.245 and K305K = 145. What is delta H for the reaction?
Calculate the mass of nitrogen dissolved at room temperature in an 92.0L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78.
What mass of cesium bromide must be added to .500 L of water (d=1.00g/mL) to produce a 0.144 m solution
why does the color change from blue to green or yellow near the endpoint of titration when the indicator is bromocresol green
a) Use Planck's equation (E = hv) to determine the energy, in kilojoules per mole, of radiation of frequency 2.12×10^14 (s^-1). b) What electron transition in a hydrogen atom, starting from the orbit 10, will produce light of wavelength 380 nm
Calculate the pH of the resulting solution if 22.0 mL of 0.220 M HCl(aq) is added to (a) 32.0 mL of 0.220 M NaOH(aq). (b) 12.0 mL of 0.320 M NaOH(aq).
How many grams of NaN3 are required to produce 20.0 ft3 of nitrogen gas if the gas has a density of 1.25 g/L?
An acqueous solution of Kl has a freezing point of -1.80 C and an osmotic pressure of 26.0 atm at 25.0C. Assume Kl completely dissociates in water. What is the density of the solution
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