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A 100.0 g sample of a metal M is burned in air to produce 103.7 gof its oxide with the formula M2O. What is the atomic mass of the metal?
At 25 °C and 775 Torr, carbon dioxide has a solubility of 0.0347 M in water. What is its solubility at 25 °C and 1370 Torr
if 489 mg gas occupies 249 mL at 80 degrees celcius and 745 mmHg of pressure, what is the molar mass of the gas.
The ball is whirled at a constant rate of three revolutions per second and is released on the upward part of the circular motion when it is 0.75 m above the ground. The ball travels straight upward. In the absence of air resistance, to what maximu..
Which reaction of these potential acids and bases does not occur to any appreciable degree due to an unfavorable equilibrium
Consider following cell. SCE stands for the saturated calomel reference electrode, which has a fixed potential of 0.244 volt. Pt|VOSO4 (0.0184 M), V2(SO4)3 (0.212 M), HClO4 (0.0100 M) || SCE Calculate the cell potential.
Determine the oxidation numbers of each elements in the following reaction, identify which of them are oxidized or reduced, if any: 2MnCO3(s)+O2(g) ---> 2MnO2(s)+2CO2(g)
how many grams of chlorine are required to react completely with 5.00grams of sodium to produce sodium chlorde ?
A pure gas sample at room temperature (25 C) has an average molecular speed of 682 m/s. What is the identity of the gas.
A vessel contains 3.00 mol of Ar, 5.50 mol of CF4, and 1.50 mol of C2H6 gases. If the partial pressure of Ar is 1.440 atm, what is the total pressure inside the vessel
calcium carbonate or limestone is relatively insoluble in water. at 25?c only 5.8 mg will dissolve in 1.0 liter of
A gas sample has an original volume of 800 ml when collected at 710 mm and 30°C. What will be the volume of the gas sample if the pressure increases to 780 mm and the temperature increases to 35°C?
A 5.000g sample of pesticide was decomposed with metallic sodium in alcohol, and the liberated chloride ion was precipitated as AgCl. Express the results of this analysis in terms of percent of DDT (C14H9Cl5) based on the recovery of 0.1606g of Ag..
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