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1)Write a net ionic equation for the reaction that occurs when aqueous solutions of nitric acid and potassium hydroxide are combined.
2)Write a net ionic equation for the reaction that occurs when aqueous solutions of sodium hydroxide and nitrous acid are combined.3)Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and acetic acid are combined.
4)Write a net ionic equation for the reaction that occurs when aqueous solutions of acetic acid and ammonia are combined.
Calculate the mass percent composition of carbon in each the following carbon compounds. Express your answer using 4 significant figures. C4H10 C6H10 C8H13O5N
A student is required to generate 90.0 mL of carbon dioxide at 750 mm Hg and 21C using potassium hydrogen carbonate and HCl. What is the mass of the potassium hydrogen carbonate needed?
The percent composition (by mass) of a compound is 40.0% carbon, 53.0 % oxygen and the rest is hydrogen. Find the empirical formula of the compound.
A particular smoke detector contains 2.15 of , with a half-life of 458 . The isotope is encased in a thin aluminum container. Calculate the mass of in grams in the detector.
how will the volume of a gas sample change if its temperature is increased? explain without using the ideal gas law
Cesium has the smallest ionization energy of all the elements (376 kJ/mol), and chlorine has the most negative electron affinity (-349 kJ/mol).
The following reactions ZnBr2 (aq) + 2AgNO3 (aq) -->Zn(NO3)2 (aq) + 2AgBr (s) KBr (aq) + AgNo3 (aq) --> AgBr (s) + KNO3 are examples of a. oxidation- reduction reactions b. acid- base reactions c. precipitation reactions d. a and c e. none of thes..
What actions should an exposed person take during the immediate aftermath of the explosion? D. Lastly, if radioactive material is involved in a disaster incident such as this and there is a fire ongoing in the area where the container is located, ..
Suppose that 28g of each of the following substances is initially at 25.0^\circ C. What is the final temperature of each substance upon absorbing 2.30kJ of heat? Express in two significant figures a. Gold b. Silver c. Aluminium d. Water
A. Using the following mean bond enthalpy data to calculate dH of the reaction:.C3H8(g) + 5O2(g) = 3CO2(g) + 4H2O(g)Bond Mean enthalpy(kJ mol-1)C-C 348O=O 496
At 46°C a sample of ammonia gas exerts a pressure of 5.3 atm. What is the pressure when the volume of the gas is reduced to one-eighth (0.125) of the original value at the same temperature
What is the [Ag+] in a solution at equilibrium when ammonia gas is bubbled through a solution that is 0.023M in AgNO3 until the concentration of ammonia is 0.20M. Assume that the addition of ammonia does not affect the volume.
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