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A hazardous waste incinerator has been burning a certain mass of dichlorobenzene (C6H4Cl2) per hour, and the HCl produced was neutralized with soda ash (Na2CO3). If the incinerator switches to burning an equal mass of mixed tetrachlorobipenyls (C12H6Cl4), by what factor will the consumption of soda ash be increased?
The density of carbon in the form of diamonds is 3.51 g/cm^3. If you have a 40-carat spherical diamond, what is the diameter of the diamond in millimeters?
Calculate the wavelength of light required to remove an electron from a ground state hydrogen atom.
What is the stoichiometric coefficient for oxygen when the following reaction is balanced using the smallest whole number coefficients?
The formula weight of MnSO4 monohydrate is 168.97 g/mol. MUST SHOW WORK!! A) hydrated B) solvated C) saturated D) unsaturated E) supersaturated
Graphite is the crystalline form of carbon used in lead pencils. How many moles of carbon are there in 305 mg of graphite? (b) Manganese (Mn) is a transition element essential for the growth of bones.
calculate the heat absorbed or lost by the aqueous solution qaq in joules assuming that the specific heat capacity
What ions and/or molecules are present in relatively large proportions in a solution of a strong acid HI (aq)?
An isolated tube contains 1 mole of argon at 5atm on one side of a movable barrier held in place by a pin. On the other side of the barrier is 0.2 mole of neon at 0.5atm, the the whole system is at 298K.
A 2.50-L container is filled with 187 g argon. If the pressure is 10.0 atm, what is the temperature?
A solution is made by dissolving 0.732 mol of nonelectrolyte solute in 837 g of benzene. Calculate the freezing point and boiling point of the solution.
Draw structural formulas for all of the structural isomers of C4H10, C5H12 and C3H7Cl.
A compound is 40% C 6.70% H and 53.3% O by mass. the molecular formula of this compound is 60 amu, what are the subscripts of C, H, O
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