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Calculates the molarity of a calcium carbonate standard solution that contains 0.2430 grams of calcium carbonate dissolved in a total of 250.0 mL. Give your answer as a number to four decimal places.
The human body obtains 1078 kJ from a candy bar. If this energy were used to vaporize water at 100°C, how much water in liters could be vaporized?
The standard reduction potential for the reduction of Eu3+(aq) to Eu2+(aq) is -0.43V. Which of the following substances is capable of reducing Eu3+(aq) to Eu2+(aq) under standard conditions?
What scientific principle or law is used in the process of balancing chemical equations. Define the terms limiting reactant and excess reactant.
evaporated the water from NaOH extracts prior to adding acid?
During the course of an experiment, a 0.300 M NaCl solution with an initial volume of 25.0 ml is diluted to a total final volume of 26.0 ml. What is the concentration of NaCl in the final solution?
Draw the product that is formed when the compound shown below is treated with an excess of hydrogen gas and a platinum catalyst.
Calculate the new volume of a 7.0Liter balloon if the pressure is reduced from 1.0 atmosphere to 0.80 atmosphere (assume the temperature remains constant)
t 50°C the value of KW is 5.5 x 10-14. What are the molarities of hydronium ion and hydroxide ions in a neutral solution at this temperature.
if there are 45 drops of alcohol/mL, and the density of alcohol is 0.789g/mL. what is the blood alcohol concentration?
what is the minimum amount of ammonium carbonate that is necessary to be placed in the flask in order for the system to come to equilibrium? please show work.
If you fill the larger tank with oxygen to a pressure of 115 , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
Determine how many moles of each Na+ and Cl- are in 1.00L of the saline solution?
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