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When two cotton plugs, one moistened with ammonia and the other with hydrochloric acid, are simultaneously inserted into opposite ends of a glass tube that is 87.0 cm long, a white ring of NH4Cl forms where gaseous NH3 and gaseous HCl first come into contact. (Hint: Calculate the rates of diffusion for both NH3 and HCl, and find out how much faster NH3 diffuses than HCl.)
NH3(g) + HCl(g) ? NH4 Cl(s)
When 37.2 L ammonia and 42.0 L oxygen gas at STP burn, nitrogen monoxide and water are produced. After the products return to STP, how many grams of nitrogen monoxide are present
The following heats of formation are used to find the change in enthalpy for the formation of tin chloride in the following reaction Sn (s) + 2Cl2(g) --> SnCl4(l).
Carbon dioxide is in the news frequently in connection to climate change. What are two ways that increased carbon dioxide has a negative impact
Problem- Write formulas of chlorine compounds in which the chlorine atom has the following oxidation states
Explain what is the maximum height, neglecting friction, to which a 1,000 kg car can be driven on 1 gallon of fuel given that the engine temperature is 2000 C as well as the exit temperature is 800C.
What mass of ethylene glycol must be added to 846.7 grams of qater to increase the boiling point to 101.05 Celsius
An element occurs as a mixture of isotopes. The atomic mass of the element is based upon
How much heat is liberated at constant pressure if 0.834 g of calcium carbonate reacts with 48.9 mL of 0.668 M hydrochloric acid? CaCO3(s) + 2HCl(aq) > CaCl2(aq) + H2O(l) + CO2(g); DeltaH = -15.2 kJ
An empty Erlenmeyer flask weighs 252.3 g. When filled with water (d = 1.00 g/cm3), the flask and its contents weigh 503.3 g. What is the flask's volume
Now suppose, instead, that 47.318 g of avolatile soluteis dissolved in 480.0 g of water. This solute also does not react with water nor dissociate in solution.
Spectrophotometric determination of an equilibrium constant.
The intial temp of the water is 19.0C and the final temp of the system is 25.1C. The heat loss to calorimeter is negligible. What is the mass of the water?
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