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Explain what is the volume percentage of a solution prepared by disolving 17 g of NaOH in enough water to make a final volume of 120 ml?Explain how many ml of a 10% solution can be made from the solution in the first question?
50ml HCl reacted with 50ml NaOH and the change in temperature was 6.7oC. Will the temperature change increase or decrease if 25ml 1M HCl reacts with 75ml 1M NaOH?
what volume will 300 ml of gas at 40 degrees celcius and a pressure of 720 mm hg occupy if the temperature is reduced
How does electron configuration work. If I have [Ar]3d^5 as an example how do I know what it actually equals
Draw a circuit diagram that subtracts two inputs signals and then amplifies the subtracted signal
Which, if any, of the fractions obtained from each of the two distillations conducted in this experiment had boiling point ranges that suggested that these fractions were primarily one component
Yeast and other organisms can convert glucose (c6h12o6) to ethanol (ch3ch2oh) by a process called alchoholic fermentation. The net reaction is
What is the bond angle and molecular geometry around the 2 middle carbon atoms?
calculate the formal concentration of a sodium acetate solution prepared by diluting 45.0 ml of a solution containing
Compute the frequency in hertz of the photon that is emitted when an electron falls from level n=10 to level n=5 in the H atom.
For Stronium oxide, SrO, the solubility in water is 0.69 g per 100mL at 30 degrees C and 22.8g per 100 mL at 100 C. Write the equation for the solubility equilibrium, including heat as a reactant or product
calculate the percent yield for an experiment in which 5.50 g of socl2 was obtained in a reaction of 5.80 g of so2 with
A bottle is labeled "Constant-boiling hydrochloric acid, 21.0 percent HCl by mass, density 1.1 g/mL." Calculate the molarity of the HCl solution.
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