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Determine the empirical formula of a compound containing 63.50% silver, 8.25% nitrogen, and the remainder oxygen. Where do you get the remainder oxygen number from?
in a test on the vaporization of water into air in a wetted-wall column the following data were obtained tube diameter
Heatite, Fe2O3 is an important ore of iron, the free metal is obtained by reacting hematite with carbon monoxide in a blast furnace. carbon diozide is formed in the furnace by paritial combustion of carbon, the reaction is Fe2O3 (s) + 3 CO (g) -->..
State the compositions and relative proportions of the two phases present after a solution initially at thjis mole fraction (0.300) is heated to 394.94.
Imagine a single DNA strand containing a section with the following base sequence: 5'-GCATTGGC-3'. What is the base sequence of the complementary strand
Describe the preparion of 1.00 liters of a 1.00 M acetate buffer, pH 6.00, starting from a 17.40 N solution of glacial acetic acid
Reaction/exchange rates of CO2 and O2 in the alveoli must be included. Given that the inhalation and exhalation times are different, calculate the rate of important gases during the inhalation and exhalation process.
Calculate the molar mass of a Nonelectrolyte that lowers the freezing point of 25.00 g of water to -3.9 degrees C when 4.27g of the substance is dissolved in the water.
Classify the following solutions as saturated, unsaturated, or supersaturated, based on your graph. Note that c. and d. require you to convert from the concentrations give to g/100 g H2O before you refer to the graph.
determine how many pounds a citizen would have to weigh in order to have ice melt beneath his/her ice skates. Do a bit of research and find out the area if cibtact betweeb a typical ice skating blade and the ice surface
How many moles of hydrogen are produced by the unbalanced reaction below when 0.195 moles of magnesium and 0.102 moles of water are allowed to react? Mg (s) + H20 (l) > Mg(OH)2 (s) + H2 (g)
a mixture of gases containing .20 mol of SO2 and .2 mol of O2 in a 4.0L flask reacts to form SO3. If the temperature is 25C, what is the pressure in the flask after reaction is complete?
What is the hydroxide ion concentration and the pH for a hydrochloric acid solution that has a hydronium ion concentration of 1.50 × 10-3 M?
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