Calculate the final temperature
Calculate the final temperature (once the ice has melted) of a mixture made up initially of 75.0 ml liquid water at 29.0 degrees C and 7.0 g ice at 0.0 degrees C.
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What is the total molar concentration of all the ions in 0.020 M solutions of the following salts in water. 0.020 M KCl = ____ M ions 0.020 M CuSO4 = ____ M ions 0.020 M CaCl2 = ____ M ions
If a molecule of NO diffuses a distance of 0.778 m from a point source, calculate the distance (m) that a molecule of He would diffuse under the same conditions for the same period of time.
Give the complete mechanism for the formation of dibenzalacetone, starting from benzaldehyde and acetone. Make sure to show the flow of elections by using curved arrows, as well as all charges and lone pairs where appropriate.
Read carefully, 0.1M HCl is added into a mixture of 25mL of water and 25mL of Ca(OH)2. For the end point to be reached 1.3mL of 0.1M HCl is added into the mixture. How would I calculate the molarity of the hydroxide ion (OH-) for this final mixtur
If 8.0 moles of the gas A is placed in a 60.0 L tank with 1.0 moles of B at 0 degrees celsius and 1 atm, they react according to the equation. 2A(g) + B(g) ---> 3C(g) + D(g) How many moles are present in the tank when the reaction is complete
Will a red blood cell undergo crenation, hemolysis, or no change in each of the following solutions
After completing th calculations below, sketch the PH curve for the titration of 30.0 mL of a 0.125M solution of a weak acid, HA(ka=1.3*10^-5) with 0.125 M KOH. indicate the pH at a) the beginning of the titration (o.o mL titrant) after the additi
what volume is occupied by 1.00kg of oxygen gas at 5.00 degrees Celsius at a pressure of 735 torr
The mass of an evacuated 255ml flask is 143.187g. The mass of the flask filled with 267torr of an unknown gas at 25*C is 143.289g. Calculate the molar mass of the unknown gas.
A swan can float on a lake with only 33% of its volume below the surface. What is the average density of the swan
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