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How many liters of hydrogen gas are collected over water at 18 degrees Celsius and 725 mmHg when 0.84 g of lithium reacts with water?
Explain what health risks may arise people use this hot water in the preparation and cooking and what is the equilibrium constant for this reaction
Talc (used in talcum powder) has masscomposition 19.2% Mg, 29.6% Si, 42.2% O,and 9.0% H. What is the empirical formula of the compound
A gas at 89 degrees celcius occupies a volume of 0.67 L. At what kelvin temperature will the volume increase to 1.12 L. ?
Acetylsalicylic acid (aspirin), HC9H7O4, is the most widely used pain reliever and fever reducer in the world. Find the pH of 0.018 M aqueous aspirin at body temperature (Ka at 37°C = 3.6 10-4).
A closed container holds 3.14 mol of C(s) and 12.3 mol of O2(g) at 4.94 atm and -4°C. After the reaction has been run to completion (the only product is CO2(g)).
if ammonia is obtained in 90% yield based on hydrogen, how many tons of hydrogen are necessary to produce 100 Mg of ammonia?
Draw the enantiomer of cis-1-chloro-3-methylcyclopentane which is R at C-1. 1) What is the configuration of this molecule at C-3 (R and S)?
In places where meteor impacts have occurred, such as Meteor Crater, other distinctly different SiO2 minerals occur, such as stishovite and coesite.
How many grams of cholesterol are in 230 mL of blood? The concentration of cholesterol (C_27H_46O) in blood is approximately 5.0mM.
the total volume of hydrogen needed to fill the Hindenberg was 2.0x10^8 L at 1.00 atm and 25 C. How many kilojoules of energy were evolved when it burned?
determine the specific heat capacity of a metal that has a mas of 14 grams. As the metal cools from 400 degrees celcius to 200 degrees celcius, 364 joules of heat is released
A household refrigerator operates between 35 and -10C. How many joules of heat can in principle be removed per kilowatt-hour of work?
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