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Mg3N2(s) + 3 H2O(l)= 3 MgO(s) + 2 NH3(g)
How many moles of Magnesium oxide are produced by the reaction of 3.82g of Magnesium nitride with 7.73g of water?
An unknown compound was decomposed and found to be composed of 1.36 mol oxygen, 4.10 mol hydrogen, and 2.05 mol carbon. What is the empirical formula of the unknown compound?
Identify each of the following as a homogeneous or heterogeneous equilibrium: a)CO(g)+H2(g) C(s)+H2O(g). b)NH4Cl(s) NH3(g)+HCl(g). c)CS2(g)+4H2(g) CH4(g)+2H2S(g). d)Br2(g)+Cl2(g) 2BrCl(g).
The value of Ka in water at 25 degrees Celcius for benzoic acid, C6H5COOH (aq), is 6.3 x10-5 M. Calculate the pH and the concentration of the other species in a 0.0200-M aqueous solution of C6H5COOH (aq).
draw the molecule by placing atoms on a grid and connect with bonds for when the cyclopentane is exposed to Br2 in presence of light.
determination of the molar mass via frezzing -point depression could determine the identity. What other tests could have been performed on the unknown solute to determine identity?
what differences in product distribution would be expected for the elimination reactions of 2-bromo-2-methylbutane and 2-bromo-2,3-methylbutane wit hexcess potassium hydroxide in ethanol?
derive the rate equation for the formation of the double helix and express the observed rate constant
given that the length of the edge of a unit cell is 383 pm, determine the density of iridium in g/cm3.
What is the reducing agent and what has been reduced. What quantity of iodine can be obtained if 20.0g of NaI is mixed with 10.0g of MnO2
What is the osmotic pressure of a solution made from dissolving 50.0g of glucose rm C6H12 O6 in 250mL of water at 36.0 C
Question about States of Matter, Ian eats too many mars bars. To try to get rid of the excess kJ's he exercises in the gym by using a weights machine which works by compressing a cylinder of gas.
What is the pressure (in millimeters of mercury) inside a container of a gas connected to an open-end manometer filled with decane (density = 0.7300 g/cm3) when the level in the arm connected to the container is 765.3 mm in height higher than the ..
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