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Define molecules as having an ionic bond, a covalent bond and a polar bond. Describe how that makes each of your 3 choices different in terms of their chemical behavior.
What is the volume of 135 mL of oxygen gas at 113°C and 870. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.
What is the wavelengths associated with an electron moving at 1.5x10^8 cm/s and a 60g tennis ball moving 1500 cm/s. Which particle has a longer wavelength
Problem- The molecular formulas of two compounds are given: C7H16 and C8H18. Are these two molecules isomers. Explain
The standard enthalpy of formation of NH3 is -46.0 kL/mol. Compute the thermal energy evolved when 8.0 g of H2 react with an excess of N2.
When 1.025 g of naphthalene is burned in a bomb calorimeter, the temperature rises from 24.25 to 32.33 degrees celsiuc. What is the delta E reaction?
Freezing point depression constant for camphor is 37.7 def C/m. If 225 mg of caffeine dissolved in 7.5g of camphor lowers the freezing point of the caphor by 5.82 deg C, the molecular mass of the caffeine is
find the value of pressure.1. a gas in a sealed container has a pressure of 111 kpa at a temperature of 50.0degc. if
Calculate the pH of the buffer that is produced when 5.00 grams of boric acid (HBH2O3 molecular weight =61.84g/mol, Ka = 5.83x10-10) is added to 250. ml of 0.100 M NaOH.
If 2.5 mol of ethylene oxide is decomposed at 93 degrees celcius what will be the final temperature of the products? The heat capacity of the products is 110.13J/mol C?
A mixture of SO2, O2, and SO3 at 1000 K contains the gases at the following concentrations: [SO2] 5.0 x10-3 M [O2] 1.9 x10-3 M [SO3] 6.9 x 10-3 M Is the reaction at equilibrium
The density of titanium metal is 4.51g/cm3 at 25C. what mass of titanium displaces 125.0ml of water at 25c.
a sample consisting of various gases contains 3.1times10-6 mole fraction of radon. this gas at a total pressure of 34
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