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T/F As temperature increases, the average kinetic energy of a sample of gas molecules decreases.
T/F At constant temperature, the heavier the gas molecules, the larger the average velocity.
T/ F Real gas molecules have a volume and exert attractive forces on one another.
T/F At constant temperature, the heavier the gas molecules, the larger the average kinetic energy.
T/F In order for two separate 1.0 L samples of O2(g) and H2(g) to have the same average velocity, the H2(g) sample must be at a higher temperature than the O2(g) sample.
T/F Real gas molecules behave most ideally at high temperature and low pressure.
Problem- Decide whether or not each of the following metals dissolves in 1 M HCl. For these metals that do dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
Stoichiometry of reactions, When a mole of C7H16 is combusted, it reacts with 11 moles of O2. How many moles of CO2 product are obtained? How many moles of H2O product are obtained?
A sample of neon effuses from a container in 77 seconds. The same amount of an unknown noble gas requires 157 seconds. identify the gas.
Explain why acid chlorides can be used to prepare amides but amides are not generally used to prepare acid chlorides?
Using the data on protonation of nucleotides and phosphoric acid species, explain why the double helix of DNA is disrupted when the pH of solution is lowered from 7.0 to 1.0.
The solubility of nitrogen in water exposed to the atmosphere, where the partial pressure of nitrogen is 593 mm, is 5.3 × 10-4 M. At the same temperature, what would be the solubility of pure nitrogen, at a pressure of 760 mm
The heat of fusion of ice (the heat associated with ice melting) is 6.0 . Find the temperature of the coffee after the ice melts.
the mass of the flask is measured when the outside of the flask is wet. outside of the flask is dried before the mass
Questions :when doing the flame test, why the magnesium chloride is colorless in the flame test? and the Magnesium is bright white? my thought are below: I hope that you could refer to my thought and elaborate this :)
A compound is 40% C 6.70% H and 53.3% O by mass. the molecular formula of this compound is 60 amu, what are the subscripts of C, H, O
Draw the structure of oxaloacetate and clearly show which carbon atoms are 14C and which are 13C labeled. Draw a box around your answer.
You mix 55 mL of 1.00M silver nitrate with 25 mL of 0.81 M sodium chloride. What mass of silver chloride should you form?
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