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If 32.78 mL of NaOH solution is required to neutralize 20.00 mL 0f 0.2500 M of oxalic acid, H2C2O4(aq), what is the concentration of the NaOH solution? The balanced equation is: 2 NaOH(aq) + H2C2O4(aq) ? Na2C2O4(aq) + 2 H2O(l)
It is very desirable that pesticides eventually decompose in the environment to give harmless products. Let us assume the half life for the first order decomposition of a certain pesticide is 10.2 years.
Write the mechanism for the formation of 4-chlorobenzanilide from the combination of the following reagents:
Using the relationship between energy and wavelength (Beer's Law), explain which direction (higher wavelength or lower wavelength) the (max wavlength) will be found for butene compared with that for a butadiene
The C-H bond and the C-halogen bond are broken in the same step. Alkyl bromides generally react faster than alkyl iodides.
what mass of sucrose c12h22o11 nbsptable sugar cane sugar beet sugar or usually just sugar must be added with 550 grams
A certain mixture of He and Ne in a 356 cm3 bulb weighs 0.1480 g and is at 20.0 oC and 748 torr. Find the mass and mole fraction present.
Referring to Table 17.1, calculate the mole fraction of Xe and its concentration in parts per million by volume.
Use the following data to calculate the equilibrium constant K for the following reaction at 78?C: 2Br?(aq)+Cl2(g)?Br2(l)+2Cl?(aq) You may assume that ?H? and ?S? are independent of temperature.
1-A 500 mL NaCl solution is diluted to a volume of 1.24 L and a concentration of 8.00 M. What was the initial concentration C1? 2- write the total ionic equation.Be sure to include the charges on the ionic species and the physical state of all the..
Magnesium is used in lightweight alloys for airplane bodies and other structures. The metal is obtained from seawater in a process that includes precipitation, neutralization, evaporation
It takes 55.0 J to raise the temperature of an 10.3 g piece of unknown metal from 13.0C to 24.7 C. What is the specific heat for the metal?
She claims that the uncertainty of the bacterium's position is greater than the microscope's viewing field, and the bacterium is thus impossible to locate. What is the uncertainty of the position of the bacterium?
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