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Predict the formula and name of a binary compoundformed from the following elements: (a) Na and H, (b)B and O, (c) Na and S, (d) Al and F, (e) F and O, (f)Sr and Cl.
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?
Consider the following reaction at equilibrium: 2CO2(g) 2CO(g) + O2(g) Change in H degree = -514kJ a) increase partial pressure of CO2 at equilibrium
How does the energy of two photons corresponding to a wavelength of 451 nm (blue light) compare with the energy of three photons corresponding to a wavelength of 704 nm (red light)?
How many liters of CO2 are formed at STP by the complete combustion of the propane in a container with a volume of 14.0L and a pressure of 4.5atm at 24?C?
acetylene gas undergoes combustion to produce carbon dioxide and water vapor. if 75.0 L of co2 are produced how many liters of acetylene are required?
Starting with a 0.1 M solution and making a series of 1:100 dilutions, how many dilutions must you make to prepare a solution, that on average, has fewer than one molecule of solute per liter of solvent.
CH3SH, has a substantial dipole mement (1.52) even though carbon and sulfer have identical electronegativities.
when 0.250 mol of ch4g reacts with excess cl2g at constant presure according to the chemical equation shown bellow 177
We have to measure the volume of O2 gas produced from the mixture of H2O2 and bleach (NaOCl). Based on the moles of reactants used and the volume of oxygen gas, how do determine the stoichiometry of the chemical equation?
What new compound will be formed when gaseous HCL is added to a solution of benzaldehyde in methanol
A 6.38 mg sample of potassium hydrogen phthalate was dissolved in 50 mL of water and to use as a standardizing aging. If 36.5 mL of NaOH was required to reach the end point, what is the concentration of the solution in uM?
A buffer is prepared by mixing 295 mL of 0.210 M HCl with 584 mL of 0.559 M ammonia (NH3). Given that the Kb of NH3 is 1.8 x 10-5, calculate the pH of the solution.
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