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Which of the subsequent pairs of ions is arranged so that the ions with the smaller charge density are listed first?1. K+ , Rb+2. Cl- , K+3. Cl- , Br-4. Ca2+ , Ba2+5. None of these pairs are arranged in this way.
A canister with a volume of 694 L contains how many moles of oxygen at STP. A chemical reaction produces 138 mol of HBr gas. What volume will that gas occupy at STP
If 60.00 mL of water is added to 40.0 mL of 4.00 Molarity NaC1, what will the concentration of the new solution be
Determine the concentration of a solution prepared by diluting 25.0 mL of a stock 0.188 M Ca(NO3)2 solution to 150.0 mL.
Describe all the symmetry planes in methylene chloride Draw a figure and arrows to show any symmetry exes in methylene chloride. Also state how many fold.
A sample of gas weighs 4.542 grams and has a volume of 870.0 mL at 945.0 torr and 39.0 degrees Celsius. What is its molar mass
If 84 g of CO reacts to produce 63 g of CH3OH, What is the percent yield of CH3OH?Answer in units of % ?
The molar volume of Al2O3 at 25°C and 1 atm is 25.715 cc/mole. Its coefficient of thermal expansion is 26·10-6 K-1 and the coefficient of compressibility is 8.0·10-7 atm. Estimate the molar volume of Al2O3 at 400°C and 10 kilobars pressure.
which is mostly Al2O3, is the principal industrial source of aluminum metal. How much aluminum can be produced from 4.50 ton of Al2O3
The first-order rate constant for the decomposition of a certain hormone in water at 25 degrees C is 3.42*10^-4 day^-1. If a 0.0200 M solution of the hormone is stored at 25 degrees C for 10 months
Draw a two-dimensional conformational energy landscape (free energy on y-axis, conformational coordinate on x-axis) to show how a protein may become kinetically (not thermodynamically) ‘trapped' in a misfolded conformation.
q1.determine the mass of a sample of hg that occupies a volume of 4.75ml if the specific gravity of mercury 13.63.
the following shows the connectivity of atoms only. Atoms other than carbon and hydrogen are labeled. how many degree of unsaturation are pressent in the compound. chose one of the following answers
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