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What causes osmotic pressure to increase? what is the difference between 1 mol and molality? between 1 mole of NaCl and 1 mole of sucrose? what is the difference between these properties in a solution?
A student dissolves 0.2975 g of the unknown weak acid to give 100. mL solution. S/he obtains the following titration curve for his/her best titration. At the equivalence point, 19.0 mL of 0.1000 M NaOH was added.
What is the balanced chemical equation for the rearrangement of benzopinacol to benzopinacolone using iodine and acetic acid?
Which of the following is a property of acid solutions?
You have 20.00 mL HCl (aq) - you are able to reach equilibrium (at pH 7.00) through titration by adding 14.25 mL of 0.2030 M NaOH. What is the Molarity of the acid
Which of the following statements about natural radioactive emissions is incorrect?
Problem- Calculate the pH during the titration of 50.00mL of 0.1000M HCl with 0.1000M NaOH solution after the following solutions of base: (a) 0.00mL, (b) 25.00mL, (c) 49.00mL
10.0L flask containing 0.200 mol of CH4, 0.300 moles of C2H6 and 0.400moles of C3H8 to 25 degrees Celsius. Calculate the total pressure and partial pressure of each gas.
When acetylene (ethyne) is passed through a solution of copper(I) chloride a red precipitate of copper acetylide, CuC2
How much would the beaker and its content weigh if it was completely filled with mercury? The density of mercury is d = 13.5 g/mL ? = g
A sample of helium gas occupies a volume of 24.9 mL when meassured at 20.9 degree C and 527 torr. What is the volume of the gas in mL if the temperature is increased to 99.8 degree C and the pressure remains constant
Determine the number of moles of O2 produced by the decomposition of 426 g of NaClO3
Draw a circuit diagram that has two resistors in series with a DC voltage source. If resistor one (R1) is 758 kohms and resistor two (R2) is 712 kohms, then what is the current flowing through the circuit if the voltage is 8.49 V?
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