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1. 500.0 mL of 0.120 M NaOH is added to 525 mL of 0.250 M weak acid (Ka = 3.44 × 10-5). What is the pH of the resulting buffer?
2. Write the balanced neutralization reaction between H2SO4 and KOH in aqueous solution. Phases are optional. 0.550 L of 0.450 M H2SO4 is mixed with 0.500 L of 0.200 M KOH. What concentration of sulfuric acid remains after neutralization?
Balance the equations and indicate the type of reaction. CaO+ HCl -> CaCl2 +H2O. and also, Fe + O2 -> FE2O3
What is the enthalpy of reaction, (triangle) H, for the formation of Tungsten carbide, WC, from the elements? W(s) + C(graphite) -> WC(s)
determine the specific heat capacity of a metal that has a mas of 14 grams. as the metal cools from 400 degrees celcius
An Ideal gas is in a 375mL Container. Pressure inside is 1012 mmHg. Temp is 31.3 deg Celsius. How manly moles of Ideal Gas are there?
A an aqueous methanol (CH3OH) solution has a mole fraction of 0.430 of methanol. What mass of water would be present in 706 g of this solution?
Draw the structure(s) of the trans-cycloalkanes with the chemical formula C7H14 that contain a 5-membered ring.
If 21 mL of 6.0 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
Calculate the number of moles of liquid propane that can be stored in the same volume if the density of the liquid is 0.590 {rm{g}}/{{rm{mL}}}.
What is the pH and the [OH-] of the solutions with the following [H3O+]? a) 2.3 x10-4 , b) 4.8 x10-8, c) 6.3 x10-2
how many grams of silicon tetrafluoride gas at room temperature would fill the same volume as that occupied by 440
a mole of atoms ions molecules or anything else contains avogadros number 6.022 x 1023 of these units. a mole of
Consider the Lewis Resonance structure for the chlorite ion. How many total structures can be drawn, and how many of those structures obey the octet rule?
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