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A substance "x" is heated and changes into two new substances, "y" and "z" from this information we can conclude that:
Which two expressions in each of the following sets represents the same number of oxygen atoms?c12H22011 AND 2 C6H12O6; H2O AND 2 H2O; 2 H2O2 AND K2CrO4; 2 OH AND H2O
the number of nonmetallic atoms in AI2 (So4)3 is:
Define nucelophilicity. Give a detailed explanation as to why hydroxide is a much better nucleophile than water.
What concentration of CO3^2- is need to initiate precipitation. Neglect any volume changes during the addition.
A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz ({\rm MHz}), where 1\; {\rm MHz}=10^6\; {\rm Hz}. Calculate the broadcast wavelength of the radio station 102.7 FM
When ethane (C2H6) reacts with chlorine (Cl2) the main product is C2H5Cl; but other products containing Cl (chlorine), such as C2H4Cl2, are also obtained in small quantities. The formation of these other products reduces the yield of C2H5Cl. In a ..
Draw and name 5 compounds, each of which contains at least 4 different functional groups and at least 3 elements of unsaturation
What colume will 500 mL of gas at 20 degrees celsius and a pressure of 420 mm Hg occupy if the temperature is reduced to -80 degrees celsius
what volume of a concentrated solution which is 36.0 by mass and has a density of 1.179 should be used to make 5.00 of
The mass of an average blueberry is 0.76g and the mass of an automobile is kg. Find the number of automobiles whose total mass is the same as 1.0mol blueberries.
Ethyl acetate, a liquid, has a molar mass of 88.12 g/mol and a density of 0.902 g/ml. Assuming a total volume of 20.0L, calculate the initial concentration of ethyl acetate in the reaction mixture.
air of one kilogram is allowed to expand reversible in a container behind a piston in such a way that the temperature
Given that a sample of air is made up of nitrogen, oxygen and argon in the mole fractions 78% N2, 21% O2 and 1.0% Ar, what is the density of air at sandard temperature and pressure?
Using molecular orbital analysis, predict which species of the following pairs would have the stronger bonding between the two atoms
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