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In a particular experiment, a 9.27 g sample of N2 (g) completely reacts. What is the mass (s) consumed during the reaction?
The following density measurements were made on a bar of iron: 7.58 g/mL, 8.02 g/mL, 7.83 g/mL, 7.80 g/mL, and 7.66 g/mL. The accepted value for iron's density is 7.85 g/ML. Find:
When extracting caffeine from tea why do you have to use cold NaOH and water vs. room temperature
The lab was where we had to carry out aldol condensation to prepare benzalacetophenones using C7H5OCl and acetophenone. The result was 4-chlorobenzaldehyde
To what temperature must the specimen be heated and how much Sn should be mixed to the 1.5-kilograms specimen at the temperature of twenty five degree celsius to achieve this state?
for a certain change, the value of change in U is -2.37kJ. during the change the system absorbs 650 joules. how much work did the system do?
A titration required 18.38 mL of 0.1574 M NaOH solution. How many moles of NaOH were in this volume?
A researcher attempts a substitution reaction with two different reagents, water or hydroxide ion, to see which route is better. Draw the major,
The vapor pressure of pure propyl chloride is 347 torr at 25°C and that of pure propyl bromide is 133 torr at 25°C. Assume that the solution is an ideal solution.
The Br-F bond distance in the interhalogen compound BrF is 1.76 Å. Use this information to estimate the average
When anisole is nitrated with nitric acid/sulfuric acid, what product or product mixture is formed?
What is the total number of moles of Ca needed to react completely with 4.0 moles of H2O?
The pH of a sample of rain is found to be 4.0. Calculate the percentage of HSO4- that is ionized in this sample, given that the acid dissociation constant for the second stage of ionization of H2SO4 is 1.2E-2.
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