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How many mL Hydrochloric acid of 0.1 M must be added to 100 mL of a 0.2 M solution of tris base to form a buffer ( pH 7.8)? Determine what would be the final tris concentration?
Half-life of Phosphorus-32=14.0 days calculate how many grams will remain after 98.0 days if Starts with 6.00g of 32 P rm ^{32}P, ?
Identifying and balancing the different types of chemical reactions. Evaluate which processes represent chemical reactions.
Determine the pressure of a gas using the ideal gas law - Calculate the pressure inside the vessel after all the dry ice has been converted to CO2 gas.
Solving this question helps the student to understand how to find the limiting reactant and how much product is produced and What mass of product may be produced?
Calculate the Mn of the polyisobutene if A 7.5g polymer sample found to discolor 3.4 mL of a 0.05 M solution of Br in CCl4 ?
As of 2007 world record for swimming 1500.0 m in a long course pool is 14 min 34.56 s. if we follow this rate then calculate how many seconds would be taken by a man to swim 0.850 miles?
Explain the type of nonrenewable energy resource used and their short-term and long-term effects on the environment
For alloys of two hypothetical metals A and B. Find out composition of phase boundary (or solubility limit) for both and phases at this temperature.
Calculate what the limiting reactant is in the reaction between copper (II) oxide and hydrochloric acid
A solution, made by dissolving 62.07 g of a nonelectrolyte in 500 g of H2O, exhibits a freezing point of -1.86 °C. Determine the molecular weight of this nonelectrolyte compound? For water Kf = 1.86 °C m-1Kb = 0.51 °C m-1
Multiple choice questions in organic chemistry - Which of the following statements are true about the processes of melting and freezing?
1) Draw all aldehyde and ketone isomers of C 6 H 12 O. 2) What is the reaction that occurs with hexanal and propanol (give both the hemiacetal and acetal products)?
calculate how many mgs of Ca2+ are present in 12.0mL of blood and Determine the percent yield 5.04 grams of H2
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