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One of the Earth's magnetic poles is located close near Antarctica. Is it a magnetic north pole or magnetic south pole? Explain
Rubidium atoms are bombarded with 131 nm light. What is the kinetic energy of the ejected electrons
pottassium bromide kbr is soluble in the extent of 64 g per 100 g of h2o at 20 degree c. is the solution saturated or
The density of an unknown element in the gaseous state is 1.60 g/L at300 K and 1 atm. Which of the following could be the element
what are the products of the following acid base reaction and are the reactants or products favored? CH3-NH-CH3 + H3O+
enormous numbers of microwave photons are needed to warm macroscopic samples of matter. a portion of soup containing
Calculate the maximum work for the following cell if 88.9 g of Cl2 are produced and the emf is 0.520 V: 2 BaCrO4 + 16 H3O+ + 6 Cl- 2 Ba2+ + 2 Cr3+ + 3 Cl2 + 24 H2O
A 16 ounce specialty coffee drink contains 216 mg caffeine. If all the caffeine is extracted and dissolved in an equal amount of water, what is the pH of the solution. What is the percent ionization.
What are the concentration(grams if a solid is formed) of all species in sol'n when 25.00mL of a 0.15M sol'n of calcium nitrate are mixed with 37mL of 0.65M sodium chloride
To an insulated container with 100.0 g H20 (l) at 20.0 C, 175 g steam at 100 C and 1650 g of ice at 0.0 C are added. A) What mass of ice remains unmelted after equilibrium is established
0.10 moles of CaCO3 reacts completely with acetic acid (C2H4O2). How many moles of CO2 are produced from this
At high temperatures, a dynamic equilibrium exists b/w carbon-monoxide, carbon-dioxide, and solid carbon.
Car manufacturers are developing engines that use H2 as fuel. In locations where hydroelectric plants produce inexpensive electric power, the H2 can be made industrially by the electrolysis of water.
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