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Explain the following statement:
The oxygen radical reacts with other substances such as oxygen molecules to produce other secondary pollutant such as Ozone.
Problem- 1. Write and balance the equations for the reaction of the following active metals with hydrochloric acid: sodium, aluminum, zinc, calcium
Calculate the frequency of the light emitted when an electron in a hydrogen atom makes each of the following transitions
What significant difference would be expected between a titration curve for H3PO4 (triprotic acid) and a mixture
A soln. of HCl has a specific gravity of 1.120 and contains 23.81% HCl by wt. How many grams and how many milliequivalents of HCl are present in each milliliter of the soln.?
A radioactive sample contains 2.50g of an isotope with a half-life of 3.8 days. How much of the isotope in grams will remain after 14.2 days
A student heated 1.0L of ethanol (density 0.789 g/L) with 1.0 mL ethanoic acid (density 1.049 g/mL) with a sulfiric acid catalyst and noticed a vinegar-like smell to the product as well as a fruity medicinal smell.
Consider a gas at 1.00 atm in a 5.00 L container at 20 degrees celsius. What pressure does the gas exert when transferred to a volume of 2.77 L at 43 degrees celsius?
Explain why wet hair placed in curlers that is allowed to dry tends to retain the shape of the curl.
When the reddish brown mercury (II) oxide (HgO) is heated, it decomposes to its elements, liquid mercury metal metal and oxygen gas. If 4.29 grams HgO is decomposed to Hg, calculate the mass of the pure Hg metal produced
Give the repeating unit of the polymers prepared by ADMET polymerization
the atomic masses of 6Li and 7 Li are 6.0151 amu and 7.0160 amu. Calculate the neutral abundance of each isotope. The average atomic mass of Li is 6.941 amu
a dry gas, held at a constant temperature, occupies a volume of 24.8 mL at 725 torr. What will be the volume of the gas at 800 torr
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