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If you take 5 mL of a solution that is 0.25 M, put it in a container and add enough water to make the final volume up to 250 mL, what is the molarity of the new solution?
What is the pH of the solution when the hydronium ion + concentration of 0.15 M CH3COOH is 6.3 × 10.
Calculate the amount of heat liberated (in kJ) from 355 g of mercury when it cools from 76.0°C to 13.0°C.
Explain in detail how you would prepare exactly 250 mL of a 4.75 M solution of sodium hydroxide, starting with solid NaOH.
a 15.0-g sample of a hydrocarbon is placed in a balloon at 1.00 atm and 25degc and the volume of the balloon is 12.2 l.
A 1.00 g sample of a gaseous compound of boron and hydrogen occupies 0.820 L at 1.00 atm and 3 degrees C. What is the molecular formula for the compound
Write a balanced equation for the single-replacement oxidation-reduction reaction described, using the smallest possible integer coefficients
What type of HPLC column and detector could be used to separate and detect benzaldehyde and 4-hydroxymethylbenzaldehyde?
Label and identify ALL functional groups. Label the chiral carbons (*), label the priorities (1,2,3,4) of the four "things" connected to the chiral carbon, draw the arrow or rotation and identify as R or S.
Suppose you wanted to heat a mug of 250. mL water from room temperature, 25°C, to 100°C to make a cup of tea. How much energy (in joules and in calories) would you need from your microwave.
A balloon is filled with He gas to a volume of 3.22 L at 32oC. The balloon is placed in liquid nitrogen until its temperature reaches -132oC. Assuming the pressure remains constant, what is the volume of the cooled balloon
The initial temperature was 27.0 degrees Celsius and the final temperature after the addition of metal was 32.5 degrees Celsius. What is the Cp for the metal
Give a balanced equation and show how much hydrogen would be needed to reduce the triacylglycerol completely
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