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If 20.g of NaCl are used, how many grams of H2SO4 are required for complete reaction? Using the balance equation 2NaCl(s)+ 1H2SO4(aq)= 2HCl(aq)+ 1Na2SO4
Write a balanced (a) molecular, (b) overall ionic, and (c) net ionic equation for the reaction between an aqueous solution of phosphoric acid, H3PO4 (aq) , and an aqueous solution of sodium hydroxid
The boyle temperature is the temperature at which the coefficient b is zero. Therefore, a real gas behaves like an ideal gas at this temperature. (a) Give a physical interpretation of this behavior.
Write a balanced molecular equation and a net ionic equation for the reaction aluminum hydroxide with a solution of hydrobromic acid. Include the states of each species.
What is the de Broglie wavelength in cm, of a 12.7 g hummingbird flying at 1.15 multiplied by 102 mph? (1 mile = 1.61 km.)
A reaction vessel contains 13.9g of CO and 13.9g of O2. How many grams of CO2 could be produced according to the following reaction? 2CO + O2 ---> 2CO2
Complete and balance the reaction: H3PO4(aq) + Ba(OH)2 ---> b) Name the products c) Write the net ionic equation
A solution of 75.0 g of benzene (C6H6) and 75.0 g of toluene (C7H8) has a total vapor pressure of 80.9 mmHg at 303 K. Another solution of 100.0 g benzene and 50.0 g toluene has a total vapor pressur
what is the total molar concentration of all the ions in 0.030 M solutions of the following salts in water? a) 0.030 M KCl = ________ M ions b) 0.030 M CuSO4 = _____ M ions c) 0.030 M CaCl2 = ______
A gas mixture contains oxygen and carbon dioxide. The partial pressure of oxygen is 0.450 atm. The partial pressure of carbon dioxide is 675 mm Hg. If argon gas added to the mixture causes the total
For 2.25 moles of an ideal gas, Pext=P=200x10^3 Pa. The temperature is changed from 122 C to 28.5C and Cv=3R/2. Calculate the q, w, delta U and delta H for an isochloric process.
A human body contains 6 liters of blood. The hemoglobin content of blood is about 15.5g/100 mL of blood. The approximate hemoglobin molecular weight is 64,500g/mol. How many moles of hemoglobin are
In an adiabatic compression if one mole of an ideal gas with a Cv=5R/2, the temperature rises from 293 K to 325 K. Calculate the heat, work, change in enthalpy and change in internal energy
For each of the following states described in the following list, calculate the final pressure, as well as q, w, ?U, and ?H. a) the gas is expanded isothermally and reversibly until the volume doubl
At 25 °C and 765 Torr, carbon dioxide has a solubility of 0.0342 M in water. What is its solubility at 25 °C and 1470 Torr
What is the maximum work that can be obtained from a 340 L tank of compressed air at 4350 PSI
What statement below best describes the graph representing the integrated 1st order rate law. plot of ln[a] vs t having a straight line negative slope equal to -k
If 10.00 mL of 0.050 M KI solution is mixed with 40.0mL of other reagents what would be the the diluted concentration of KI
A solution of ammonia and water contains 2.70×1025 water molecules and 8.50×1024 ammonia molecules. How many total hydrogen atoms are in this solution
The balanced equation for trans-1,2-dibenzoylethylene in ethanol to give the product cis-1,2-dibenzoylethylene
In a first order decomposition in which the rate constant is 0.201 sec-1, how long will it take (in seconds) until 0.131 mol/L of the compound is left, if there was 0.566 mol/L at the start
In the following conditions calculate the moles of hydrogen and the pressure in each flask where the volume is negligible. Each flask is originally 275K with .455 mols of hydrogen gas and .7atm of p