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A 3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample containing 2.901 kg of water?
Determine types of hybridized orbital for each carbon in these compounds.
A 10.80-mL sample of sulfuric acid from an automobile battery requires 35.18-mL of 1.62 M sodium hydroxide solution for complete neutralization. What is the molarity of the sulfuric acid? Sulfuric acid contains two acidic hydrogens.
If you mixed 75 ml of 2 M HCl with 37.5 ml of 4 M NaOH, how many joules of heat would be released? How much would the temperature of the solution increase?
Which of the following compounds contains a chiral carbon molecule? a) chloroethane b) 1,1-dichloroethane c) dibromochloromethane d) 2-butanol
Explain why the dichlorofluoresceinate anion is adsorbed onto the surface of the AgCl precipitate
Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas. If 927 mL of hydrogen gas is collected by displacement of water at 740.0 mm Hg and 20. °C.
The reaction between solid sodium and Iron (III) oxide is one in a series of reactions that inflates an automobile airbag.
A gas occupies a volume of 2.45 L at a pressure of 1.03 atm. What volume will the gas occupy as the pressure changes to 0.980 atm.
What mass of ethanol, C2H5OH a nonelectrolyte, must be added to 10.0 L of water to give a solution that freezes at -10.0C? Assume the density of water is 1.0 g/mL. Kf of water is 1.86C/m.
What structure best represents the rate-determining intermediate formed when 1-methylcyclopentene reacts with Cl2.
at a temperature of 520 degrees C, the equilibrium concentration of HI is 0.80 M, of H2 is 0.010 M, and of I2 is 0.010 M. What is the K for the reaction?
A steel tank with a volume of 9.583 L contains N2 gas under a pressure of 4.972 atm at 31.8 °C. Calculate the number of moles of N2 in the tank.
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