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39 ml of .2 M HCL and 50 ml of .4 M NaOH are mixed. After mixing, but before they react, what is the new M of the HCL and NaOH?
A flask contains 0.110 mol of liquid bromine, Br2. Determine the number of bromine molecules present in the flask.
What will be the final temperature of a 15.0g sample of water that is heated with the addition of 4.2kJ at 18 0C
You have a sample that consists of 8.2 (+ or -)o.1mL of aqueous 239Pu solution. You measure two 10mL aliquots by liquid scintillation counting and get 3211.4 cpm and 3315.2 cpm, respectively.
Determine the enthalpy for the given reaction as CS2
Given that B(SiO) 640 kJ/mol, show that bond enthalpy considerations predict that silicon-oxygen compounds are likely to contain networks
Boron often forms compounds that do not comply with the octet rule that are termed electron deficient. BF3, whose structure is shown below on the left, is an example of an electron deficient compound.
Aspartame (C14H18N2O5) is a solid used as an artificial sweetener. Its combustion produces carbon dioxide gas, liquid water, and nitrogen gas. What is the coefficient of aspartame in the balanced equation for the reaction? (Balance the equation wi..
A reaction has a theoretical yield of 8.83 g of ammonia. the reaction gives off 10.24 L of ammonia measure at 52*C and 105.3kPa what was the percent yield of the reaction?
12.00mL of 0.125M of HCl is required to titrate 21.55mL of Mg(OH)2. Calculate the molarity of the unknown base.
A chemical firm was hired to monitor a nearby lake for possible mercury contamination. Several samples were taken at different locations around the lake, including water samples.
What are the main mononitro products of the nitration of the following compounds - Write structural formulas for the compounds
Calcium carbonate reacts with dilute hydrochloric acid to produce the gas carbon dioxide. Write a symbol equation for the reaction.
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