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Limesonte is another form of CaCO3. Sandstone is primarily silica or sand, SiO2. On the basis of observations made in today's experiment, explain a test that would allow you to distinguish between limestone and sandstone.
Write a mechanism for the reaction. Include arrows to show electron flow. Number and write out each step individually.
Calculate the pH of the solution that results upon mixing 20.0 mL of a 0.200 M HCl with 25 mL of.
Explain the volume of a gas is 6.10 L measured at 1.00 atm. Define what is the pressure of the gas in mmHg if the volume is changed to 9.59 L. The temperature remains constant.
Consider the air pollutants NO and NO2, contributors to photochemical smog. Both can be formed by the reation between atmospheric nitrogen and oxygen. At 25 C
What are the concentrations of barium and sulfate ions in this solution? Assume only SO42- ions (no HSO4? ) are present
what is percentage of 12.0 g quantity of methane was used and collected 22.0 g of carbon
Determine the rate constant for the reaction at the temperature of 75 degree celsius?
Draw one energy diagram showing both reaction pathways & label all transition states, intermediates and products as well as activation energies. you may assume that the overall reactions are both exergonic while the first step in each reaction is ..
hard water often contains dissolved and ions. one way to soften water is to add phosphates. the phosphate ion forms
Assuming that the formal charge on the central atom can't be larger than +/- 1, what is the number of important resonance forms for this ion
Quicklime (CaO) is produced by the thermal decomposition of calcium carbonate. Calculate the volume of CO2 at STP produced from the decomposition of 152 g of calcium carbonate.
Calculate the equilibrium constant at 40 K for a reaction with ?Ho = 10 kJ and ?So = 100 J/K.
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