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Dinitrogen monoxide gas decomposes to form nitrogen gas and oxygen gas. How many grams of oxygen are formed when 40.0 g of dinitrogen monoxide decomposes?
How many grams of solute are needed to prepare 500.0 mL of a 0.375 M CH3OH solution.
Lead has a face-centered cubic lattice with all atoms at the lattice points and a unit-cell edge length of 495.0pm its atomic mass is 207.2 amu what is the density of lead?
how does its vapor pressure change over time? It continues to steadily increase. It increases at first, then remains constant
How many times through the cascade does it take to form one molecule of palmitic acid (hexadecanoic acid, C16H32O2)
In the synthesis of methyl salicylate from salicylic acid, there are density of methyl salicylate, methylene chloride and methanol. Why might the layers "switch" during the extraction
ammonium nitrate is a common ingredient in chemical fertilizers. use the reaction shown to calculate the mass of solid
A gas sample containing 1.64 mol at 25°C exerts a pressure of 389 torr. Some gas is added to the same container, and the temperature is increased to 50.°C.
compute the volume of 3m naohaqaqueous sodium hydroxide needed to neutralize the phosphoric acids and acetic acid in
Determine whether a bond between each of the following pairs of atoms would be pure covalent, polar covalent, or ironic.
Determine the mass of ice that has melted. Assume that the heat capacity of the cup can be ignored. It takes 334 J to melt 1.00 g of ice at 0 c.
What you observed upon the addition of NH3(aq) to magnesium chloride solution / what species are present in the test tube?and what happened when we add NH4Cl? Explain this observation with respect to the equilibrium reactions that exist in the test..
Which of the following solutions is a good buffer system? A) A solution that is 0.10 M HF and 0.10 M NaC2H3O2 B) A solution that is 0.10 M NaOH and 0.10 M KOH C) A solution that is 0.10 M HC2H3O2 and 0.10 M NaC2H3O2 D) A solution that is 0.10 M HC..
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