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The running engine of an automobile preoduces carbon monoxide Co, a toxic gas at the rate is of about 0.117 mol CO per minute. A car is left idling in a poorly ventilated garage that is 6.0m long 4.0m wide and 2.2 m hight and 20.0 C. What will the partial pressure of Co be in one minute.
The volume of a 24.0g sample of methane gas is 22.8L at 40.0*C and 4.00atm. What will it's volume be at 68.0*C and 4.00atm.
Determine which monomer will have the higher degree of polymerization (DP) and by how much?
What is the mass of silver bromide AgBr precipatated from 2.96 g of iron (III) bromide FeBr3 ? FeBr3 + AgNO3 = AgBr + Fe(NO3)3.
Require to apply to neutralize the acidity that concluded from nitrification and determine how much CaCO 3
Concrete used in road construction is reinforced using steel bars in a grid, known collectively as "rebar." After many years, rebar will begin to corrode, and the concrete will weaken.
The bonding in BF3 requires formation of hybrid orbitals on boron. If the molecule is oriented in the xy plane, what is the identity of the unfilled p orbital on boron.
Identify the oxidation-reduction reactions among the following: 1. Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)
A 4.80 g nugget of pure gold absorbed 288 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C.
What is the pH of the solution if [OH-] of an ammonia solution is 1.0 X 10-2M?
If a nonvolatile, yellow crystalline solid sample of 0.351 g is dissolved in benzene (C 6 H 6 ) of 15.8 g formed a solution. this solution freezes at the temperature of 4.77 degree celsius.
A particular diatomic molecule which contains H exhibits a 16.95 cm^-1 spacing between its rotational lines and bond length of 141.5 picometers. Determine the mass (in amu) of the unknown atom in the molecule.
How many grams of CH4 is needed to produce 33.5 g CHCl3.
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