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What is the lone pair?
Can you get some example of this meaning? Thank You.
A current of 4.67 A is passed through a Sn(NO3)2 solution for 1.80 hours
when 0.08 moles ammonium chloride are dissolved in enough water to make 677 milliliters of solution, what is the molarity of chloride ions?
The reaction for the decomposition of dinitrogen pentoxide to form nitrogen dioxide and oxygen gas has the rate constant 1.7 x 10-3 s-1. This is a first order reaction.
A compound is found to be 74.03% C, 8.70% H, and 17.27% N. The molar mass of the compound is 162.23 g/mol. Find the empirical formula and the molecular formula of the compound?
The enthalpy change for converting 1.00 mol of ice at -50.0 degrees C to water at 70.0 degrees C is ____ Kj. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-k and 1.84 J/g-k, respectively.
Offer a brief explanation of why bandgaps for octet p-block semiconductors (1) decrease with increasing average principal quantum number
A metal sample weighing 40.0 g and at a temperature of 99.1 C was placed in 38.6 g of water in a calorimeter at 25.0 C. The calorimeter reached a maximum temperature of 32.8 C.
Ethanol (C2H5OH) melts at -114 °C. The enthalpy of fusion is 5.02 kJ/mol. The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively.
The pKa of acetic acid, HC2H3O2, is 4.76. A buffer solution was made using an unspecified amount of acetic acid and 0.30 mol of NaC2H3O2 in enough water to make 1.50 L of solution.
The standard free energy of activation of a reaction X is 89.4 kJ mol-1 at 298 K. Reaction Y is one million times faster than reaction X at the same temperature.
what volume does .103 mol of N2 gas occupy at a temperature of 27 degrees Celsius and a pressure of 784 mm Hg?
The volume of a 24.0-g sample of methane gas is 22.8 L at 40.0°C and 4.00 atm. What will its volume be at 68.0°C and 4.00 atm.
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