Two cotton plugs are placed simultaneously in each end of a glass tube, 12 cm in length. On one end the cotton is soaked with aqueous NH3 and on the other end the cotton is soaked with aqueous HCl...

Two cotton plugs are placed simultaneously in each end of a glass tube, 12 cm in length. On one end the cotton is soaked with aqueous NH3 and on the other end the cotton is soaked with aqueous HCl...

Please help me answering this question. Show all work. Final answer must show units, and must be rounded to the correct number of significant digits

Please help me answering this question. Show all work. Final answer must show units, and must be rounded to the correct number of significant digits

Please help me answering this question. Show all work. Final answer must show units, and must be rounded to the correct number of significant digits.

Please help me answering this question. Show all work. Final answer must show units, and must be rounded to the correct number of significant digits.

Chemistry

What is the molarity of NaOCl in a solution of bleach if 10.00mL requires 22.35mL of 0.02191M Na2S2O3 to reach the endpoint? Show work. Hint: Work through the I2 first. Reaction Equations...

You have a sample of SO2 that has a mass of 8.22 grams. This gas is at a pressure of 1200mmHg and at a temperature of 75.0oC. What is the volume of this gas in liters?

You have 3.20 moles of nitrogen gas (N2) in a 15.0 liter container at 100oC. What is the pressure of this gas?

on top of mt yale in colordo elevation 14,202 feet you weigh 183 pounds using the same scale in new orleans elevation 4 feet you would weigh

A gas sample experiences a pressure increase from 1.0 atm to 1.2 atm. If the temperature of the gas at the lower pressure was 200 K, what is the temperature of the gas at the higher pressure? Assume...

7. In a hot-air balloon, the balloonist may have to light the propane torch for a few minutes. Using Charles’s law, explain why he might need to do this. 8. As the temperature of a given...

what do you get when you add 0.0300 mol H2 and 0.387 mol CH4

I don't understand anything about Reactions or anything like that, I don't understand chemistry at all please help me! I hope this website helps me.

Calculate the mass in grams of the air in a hot-air balloon that has a volume of 4.0 x 105 L when the temperature of the gas is 90.0ºC and the pressure is 750 mm Hg. Assume that the average molecular...

A sample of dry gas weighing 1.05 g is found to occupy 1.43 L at 23.5ºC and 0.951 atm. How many moles of the gas are present? What is the mass of one mole of the gas?

I need help with my chem quiz and I do not understand how to approach a question like this. Please help.

Please help answering this question. I need it as soon as possible. Thank you

expalin pleae

1) How would you categorize water, as a nucleophile or electrophile? 2) Explain why the hydroxide (hydroxyl) ion is much more reactive than water? 3) What structural...

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