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How do the two types of litmus paper respond to acid, bases and neutral substances? 2. 3. 4. 5. 6. 7. Classify the alum, baking soda, cornstarch, cleanser, salt and aspirin as an acidic, basic, or neutral substance. If you have made a substitution, be sure to note that you did so. How does the cabbage water respond to change in pH? Classify garden lime, sugar and lemon juice as acidic, neutral or basic. Cabbage water will spoil after a few days. How might you make a cabbage indicator with a longer shelf life? According to your cabbage water, what is the pH of baking soda, crushed aspirin, cleanser, garden lime, sugar and lemon juice?
Describe a situation where a substance changed between the solid and liquid states or between liquid and gas states? Can you describe an example of when a substance changed between the gas and solid states? Let's see how many different examples we..
Consider an ideal gas with an absolute temperature of T1. To what temperature would you need to heat the gas to double its pressure?
Organic chemistry mechanism and conceptual problems involving, 1. Write equations to show how nitronium ions might be formed using a mixture of nitric and sulfuric acids.
Describe a way to differentiate between the two using a solution of Na2CO3 and write the correct balanced equation
When 4-hydroxybutanal is treated with methanol in the presence of an acid catalyst, 2-methoxytetrahyrofuran is formed. Show the mechanism for this reaction.
Calculate the amount of heat (calories) absorbed when 50.0g of water at 20deg. Celsius spreads over your skin and warms to body temperature, 37deg. celsius.
Which element requires the least amount of energy to remove the most loosely held electron from a gaseous atom in the ground state?
A 2.067-g sample of a monoprotic acid was dissolved in water. It took 25.24 mL of a 0.1578 M NaOH solution to neutralize the acid. Calculate the molar mass of the acid.
The temperature of a 2.o-liter sample of helium gas at stp is increased to 27 degrees Celsius and the pressure is decreased to 80kpa what is the new volume of the helium sample?
A solution is prepared by dissolving 159 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
write an equat ion which, if solved,would give the average scalar momentum, , of molecules of an equilibrium gas.
How many grams of Ba(OH)2 will be needed to neutralize 76 mL of stomach acid if stomach acid is 0.14 M HCl?
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