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Sulfur dioxide gas reacts with oxygen gas to form sulfur trioxide gas. My answer was 2SO2+O2? 2SO3
The mass spectrum of an organic compound shows the relative abundances of M to be 36.44% and M 1 to be 8.277%. Assuming the peaks are caused by 12C and 13C isotopes
tablets of ki were distributed to people living around chernobyl seven days after the nuclear reactor explosion
A scientist wants to make a solution of tribasic sodium phosphate, Na3Po4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 425 mL of a solution
A saturated sodium carbonate solution at 100?C contains 45.5 g of dissolved sodium carbonate per 100. mL of solution. The solubility product constant for sodium carbonate at this temperature is
What is the entropy change for the reaction 2H2(g) + O2(g) 2H2O(l) at 372.2 K and 1.0atm? the enthalpy of reaction at 298.2K and 1.0atm is -572 KJ. The Cp values for H2, O2 and H2O are respectively
The density of gold is 19.3 g/cm3. a 3.4 mg piece of gold is hammered into a square that is 8.6 x 10-6 cm thick. what is the length of a side of the square, in cm
A chemist prepares a solution by dissolving 4.168 g of NaNO3 in enough water to make 200 mL of solution. What molar concentration of sodium nitrate should appear on the label.
How much heat is produced in burning 5 mol of C2H2 under standard conditions if both reactants and products are brought to 298 K
The infrared spectrum of the xanthene reduction product contains evidence that demonstrates that conjugation of the rings is still
Why is the angular momentum of some nuclei and molecules observable. How is it observed? What are some typical results.
How much KOH (in grams) is required to neutralize a sample of 125mL of 0.5N HCl that has just been added to 875mL of distilled water
the element lithium consists of two naturally occurring isotopes with relative abundances of 7.42 and 92.58. the atomic
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