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Magnesium metal (Mg(s)) burns brightly in oxygen gas (o2(g)) to produce a whitish-grey powder, magnesium oxide (MgO(s)). Write a balanced chemical equation for this reaction. 2. Magnesium metal (Mg(s)) will also react with copper ion in solution (Cu+2(aq)) to form magnesium ions in solution (Mg+2(aq)) and copper metal (Cu(s)). Write a balanced chemical equation for this reaction. 3. A solution of sodium carbonate (Na2CO3(aq)) will react with a solution of calcium chloride (CaCl2(aq)) to produce the solid precipitate, calcium carbonate (CaCO3(s)) and a solution of sodium chloride (NaCl(aq)). Write a balanced chemical equation for this reaction.
Problem- If SRP's (reduction potential--E) correlate strongly with IE3 (third ionization energy) explain this trend-
a 1.0 liter container initially holds 0.0150 mol H2 and 0.020 mole I2 at 721K . What are the concentrations of , H2,I2 and HI after system has achieved a state og equilibrium? The value Keq is 50.5 for the reaction H2+I2↔ 2HI
Question- Why would stoichiometric amounts of reagents be needed to obtain pure products when the products are water soluble?
Presume that the anoxic fermentation of organic matter {CH2O} in water yields 15.0 L of CH4 at standard temperature and pressure. Explain how many grams of oxygen would be consumed by the toxic respiration of the same quantity of {CH2O}
Calculate the density of hydrogen sulfide gas, H2S, at 58°C and 896 mm Hg. Obtain the density in grams per liter.
What effect would the incomplete drying of a sample (for example, the incomplete removal of a recrystallization solvent) have on the melting point
The element bromine at room temperature is a liquid with a density of 3.12g/ml calculate the mass of 125 ml of Bromine . What volume does 85.0 g of bromine occupy?
Do oxidation reduction reactions always take place between metals as well as nonmetals, or can they occur between two nonmetals
When steam (hot water) is passed over iron, hydrogen gas and iron (3) oxide are formed. What weight of steam would be needed to react completely with 100.0g of iron.
An ideal gas originally at .85 atm and 64 degrees C was allowed to expand until its final volume, pressure, and temperature were 94 mL, .60 atm, and 41 degrees C respecitively. What was its initial volume
At 131 celsius and 769 mmHg, 2.00 L of the gaseous compound weighs 4.44 g. What is the molecular formula for the compound?
Standard Electrode Potential (E), a) Write the equation for the cell reaction and indicate cathode and anode half-cells for the electrochemical cell formed from Mg/Mg2+ half-cell and In/In3+ half-cell.
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