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Diphosphorus pentoxide(3.54g) has reacted with ferric oxide(5.45g).What is/are the mass/masses of the product/s obtained per reaction assuming 100%yield?
If it takes 3 breaths to blow up a balloon to 1.2 L, and each breath supplies the balloon with 0.060 moles of exhaled air, how many mols of air are in 3 liters
what pressure would be required for helium at 25C to have the same density as carbon dioxide at 25C and 1.00 atm?
write a balanced molecular equation for mnso4xh2o reacting with h2c2o4 and water to form mnc2o4x3h2o. what will be the
Decide whether or not each of the following metals dissolves in 1M HCl. For these metals that do dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
what is the volume of a 12.0g sample of water. a piece of gold has a mass of 5.2g and it displaces 4.16 ml of water. calculate its density. which molecule are moving fast on average a swimming pool of water or a cup of water.
Prior to their phaseout in the 1980s, chemicals containing lead were commonly added to gasoline as anti-knocking agents. A 1.805 g sample of one such additive containing only lead, carbon, and hydrogen was burned in an oxygen rich environment.
Find the maximum temperature (for cases a and b) that can be attained in the burning of methane at constant P according to the reaction CH4(g) + 2O2(g) --> CO2(g) + 2H2O(g)
When aqueous HCl neutralizes benzoate anion, one of the actual acid species present is the hydronium ion, H3O+. Which is the more prevalent acid, HCl (pKa = -2.2) or H3O+ (pKa = 1.74). Write an equation that shows how H3O+ forms from HCl.
What conclusions can you draw concerning structures of species containing the same number of atoms and the same number of valence electrons?
Consider the standard cell at 25 degrees Celsius based on the following half reactions. Pb^(2+) + 2e- > Pb Eofcell = -0.13V Zn^(2+) + 2e- > Zn Eofcell = -0.76V To the STANDARD CELL, OH-, is added to the zinc compartment causing precipitation of Zn..
Calculate the pH for an aqueous solution of acetic acid that contains 3.15 × 10-3 M hydronium ion.
It is found that 4.68e-06 g of Nd2(CO3)3 dissolves per 100 mL of aqueous solution at 25 oC. Calculate the solubility-product constant for Nd2(CO3)3.
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