Calculate the ph
A 20 mL sample of 0.150 M KOH is titrated with 0.125 M HClO4 solution. Calculate the pH after 23.5 mL, 24 mL, 26.5 mL, and 30 mL of acid have been added.
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A 1300kg car travels north along Murdoch Drive at 65km/h. The car collides and becomes stuck to a 5000kg truck travelling west at along South Street at the intersection of South Street and Murdoch Drive. What is the final velocity of the vehicles
Consider the following equation: CO + 2 H2 → CH3OH ?H rxn = -128 kJ Calculate the amount of heat (in kJ) associated with complete reaction of 8.08 g H2.
Consider the dissociation of the tricrotic acid, H3Y. Use the values of K(a1), K(a2), K(a3), and K(w) to evaluate the equilibrium constants associated with each of the reactions shown below:
A 400g lemming (does anyone remember that old computer game?) waddles horizontally off a small 4.9m high cliff with a speed of 0.5ms-1.How far from the base of the cliff will the lemming land? What will be the lemming's speed upon landing?
How did Koheleth challenge traditional Deuteronomic theories of divine justice and retribution, which claimed that Yahweh rewarded covenantal fidelity and punished covenantal infidelity?& ;
The sledge moves a distance of 19.8 m on a horizontal surface. The coefficient of kinetic friction between the sledge and surface is 0.500. (a) What is the tension in the rope?
What is the boiling point elevation when 43.5 g of the dye magenta is dissolved in 1650 g of ethanol? Kb for ethanol is 1.20 Cdegrees/m
The final number of moles (n_2) is 2.00 rm mol. Use the simulation to find the volume (V_1) of 1.00 rm mol of helium at 273 rm K and calculate the final volume (V_2).
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A 13-year-old male presents to the primary care clinic with his mother complaining that his heart feels like it is racing. He is urinating a lot, even at night.
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