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A 25.0 ml sample of oxygen gas at 20 C and 0.500 atm is cooled to a pressure of 0.250 atm. If the volume remains constant, what is the final Celsius temperature?"
A major component of gasoline is octane (C8H18) . When octane is burned in air, it chemically reacts with oxygen gas (O2) to produce carbon dioxide (CO2) and water (H2O).
Question- You fixed 2 ml of 0.001 M agno3 with 4 ml of 1 M nacl. You then formed a voltaic cell using a silver strip with this test solution, and using agIagno3 (1.0 M) as the reference half cell. You found the cell voltage to be 0.510 v. Using th..
What minimum degree of anisotropy is needed in an etch process in order to produce such a structure?
45.0g og magnesium carbonate is added to water to prepare a 250.0mlsolution. 15.0ml of this solution has 50.0ml of
The three gases N2, O2, and NO are in equilibrium. The formation of NO is endothermic. Write the equation for the equilibrium. (Type your answer using the format CO2 for CO2. Use the lowest possible coefficients.)
A biochemist wants to utilize the following oligopeptide for biochemical assays. Estimate the number of charges on this peptide at different pH conditions by considering the charge states of amino acid residues at pH 2, pH 7.4 and pH 10.
Assuming the only weight loss for the rat is the loss of CO2 gas (i.e. water is retained), how many grams does the rat weigh once the sugar is metabolized?
What is the molar solubility of magnesium carbonate ( MgCO3 ) in water? The solubility-product constant for MgCO3 is 3.5 × 10-8 at 25°C.
If a weak acid solution, HA is 0.3M and ionizes 1%, what will be the concentrations of [HA], [H3O+],and [A-] at equilibrium
Under these conditions the molar volume of ideal gas is 22.71 L. Explain what is the molar volume of ideal gas at 351.0 K and 2.3bar
Calculate the mass defect and nuclear binding energy per nucleon of the each of the nuclides indicated below. Kr-84 (atomic mass = 83.91151 amu ) mass defect =_____amu binding energy per nucleon______MeV/nucleon
The decomposition of H2O2 is a first order reaction. Consider H2O2 has its initial concentration as 2.32M. What will be the concentration at t=1200 seconds? Use k=7.30*10^-4*s^-1
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