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If the potato is allowed to dehydrate by sitting in open air, would the potato cells be more likely to absorb water or less? Explain why or why not.
100 mL of .200 M HCl is titrated with .250 M of NaOH. What is the pH after 50 mL of the base has been added. What is the pH at the equivalence point
question xenon gas is released during a certain chemical reaction and pushes back the atmosphere with a change in
Examination of IR spectrum for 4-methylcyclohexene synthesized what particular functional groups should be looking to see or not see in orders to support the formation of the 4-methylcyclohexene as well as its purity
Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water.
Find q of a reaction. A cup calorimeter contains 50.0 mL of 0.500 M NaOH at 25C. Then 25.0 mL of .500 M HCl at 25 C is added. After reaction, the final temperature = 27.21 C. What is q in KJ. Given C=4.184 J/gK
What does the heat of dissolution measure?
A 93.7 g (5.20 mole) sample of water is heated to exactly 94.4 celsius. It is then added to 90.1 g (5.00 mole) of water at 22.5 celsius in a styrofoam cup calorimeter.
Problem- A 25.0 mL sample of 0.723 M HClO4 is titrated with a 0.27 M KOH solution. The H3O+ concentration after the addition of 80.0 mL of KOH is
what is the final temperature of the mixed solution? The heat of neutralization is -56.2 kJ/mol. Assume the density and specific heat of the solutions are the same as those for water.
when 50.0 gram of metal at 75.0 c is added to 100 grams of water at 15.0 c the temperature of the water rises to 18.3
The central atom in a molecule has three regions of high electron-pair density. What type of hybrid orbitals are formed by the central atom
Based on the results below, what is the charge of the electron in zorgs ()? Drop # Charge A ?5.1×10?9 B ?1.0×10?8 C ?6.8×10?9 D ?1.36×10?8
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