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(a) When the metallic element sodium combines with the nonmetallic element bromine, Br2(l), how can you determine the chemical formula of the product? How do you know whether the product is a solid, liquid, or gas at room temperature? Write the balanced chemical equation for the reaction.
(b) When a hydrocarbon burns in air, what reactant besides the hydrocarbon is involved in the reaction? What products are formed? Write a balanced chemical equation for the combustion of benzene, C6H6(l), in air.
A 198mL sample of a 1.5M sucrose solution is diluted to 350mL. What is the molarity of the diluted solution
an aerosol spray can with a volume of 456 ml contains 3.09 g of propane gas c3h8 as a propellant. if the can is at
Standards added to tap water contained 0.160 ng/mL (ppb) of Eu(III), but those added to pond water were 100 times more concentrated. (a) From the x intercepts in the graph, calculate the concentration of Eu(III) (ng/mL) in tap water.
how many moles of ethylene glycol should be added to the radiator to lower the freezing point of the water from 0
You dissolve 17.9 g of aluminum bromide in a volumetric flask and add H2O to a total volume of 250 ml. What is the formal molarity. What is the molarity of Al cations. What is the molarity of Br anions.
The same two compounds were recovered on treatment of A with hot potassium permanganate under acidic conditions. Provide structures for A, B, and C.
If 5.00 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
Doubling the concentrations of H2S while keeping the concentration of Cl2 constant results in the initital rate increasing by a factor of two.
Determine how many moles of Trisodium phosphate would be required to react with 4.0mol of Silver Nitrate?
the specifictaions associated with a commercial spectrophotometer are diffraction grating with 600 groves per mm. focal
For each of the following reactions, calculate the grams of indicated product produced when 20.0 g of each reactant is used: a) 4Al(s)+3O2(g)-->2Al2O3(s) (Al2O3). b) 3NO2(g)+H2O(l)-->2HNO3(aq)+NO(g) (HNO3). c)C2H5OH(l)+3O2(g)-->2CO2(g)+3H2O(g) (H..
How many moles of AgCl are produced when 100.0 mL 0.387 M silver nitrate, AgNO3, and 50.0 mL of 0.774 M sodium chloride, NaCl, are mixed AgNO3(aq)+NaCl(aq)---->AgCl(s)+NaNO3(aq)
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