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In the second test tube we had 3mL of 1M NH3and phenolphthalein indicator. The original solution was bright pink the solution is basic. We then slowly added 1M of HCl, the addition of the HCl made the solution clear and colourless, this indicates that the solution is very acidic. The addition of HCl for the reaction works to reduce the amount of HCl (reactant) so the reaction will shift towards the products to reach equilibrium. NH3(aq) + HCl(aq) ? NH4Cl (aq) Is NH4Cl an acid or base? does the HCl ionize the NH3 base? is the a conjugate acid or base, HCl is a strong acid, what happens when a strong acid and weak base are mixed?
What was the volume occupied by the sample under the new conditions - Determine what volume of 3.00M HCl in liters is required to react
A vitamin C capsule is analyzed by tirating with 0.3M NaOH. It is found that 24.4 ml of base is required to react with a capsule weighing 0.55g.
3H2 + N2 -> 2NH3. At 200 degrees C in a closed container, 1.00atm of nitrogen gas is mixed with 2.00atm of hydrogen gas. At equilibrium, the total partial pressure is 2.00atm.
C2H4+3O2= 2CO+2H2O if 2.70 mol C2H4 is reacted with 6.30 mol O2 a. identify the limiting reagent
Calcium hydride, CaH2, reacts with water to form hydrogen gas. CaH2(s) + 2 H2O(l) → Ca(OH)2(aq) + 2 H2(g)
A 145 g aluminum cylinder is removed from a liquid nitrogen bath, where it has been cooled to -196° C. The cylinder is immediately placed in an insulated cup containing 226 g of water at 15.0° C,
For the reaction represented by the equation Cl2+2KCl+ Br2, how many grams of potassium chloride can be produced from 300. g each of chlorine and potassium bromide.
A weak acid (HA) is found to ionize 17.8% when mixed at a concentration of 0.3 mol/L. What is the value of Ka for this acid?
Explain Cyclopentadiene reacts as a diene in the the Diels-Alder reaction a great deal faster than does 1,3 butadiene.
Calculate the final temperature of 34mL of ethanol initially at 20celcuis upon absorption of 739 J of heat. (density of ethanol =0.789g/mL )
Important information about Molar concentrations, Calculate the molar concentrations, I-, disulfur octaoxide, disulfur trioxide.
Five hundred liters of a gas are cooled from 20°C to 10°C while the pressure remains constant.what the new volume will be?
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