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1. Explain why viruses are not considered 'alive' and discuss why this may not be an appropriate classification.
2. Why are antiviral drugs often ineffective?
3. What is the goal of natural selection?
A 125 g aluminum block at an initial temperature of 95°C is dropped into a styrofoam flask containing 150 mL of water at 20°C. What is the final temperature?
if 25.0 mL of 0.125 M HCl is neutralized by exactly 14.8 mL of NaOH, what is the concentration of the base?
Determine if a molecule (or ion) is polar or non-polar, you must determine two factors.
calculate the volume (L) the gas will occupy when the temperature is increased to 155 °C while maintaining the pressure at 629 torr.
You determine the absorbance of a solution to be 0.355 when the concentration of the absorbing ion is 3.5 x 10-5 M. What is the molar absorption (extinction) coefficient of the ion
What is the rate of consumption of O2 in a combustion reaction carried out in a 11.00 L flask if 6.30 mmol of oxygen is consumed in 25.6 s?
Once the chromatographic column has been prepared, why is it important to allow the level of the liquid in the column to drop to the level of the silica gel before applying the compound to be separated
How many grams of potassium chloride will be generated on decomposition of 225 grams of potassium chlorate?
Write the element symbol and charge. How many unpaired electrons are there in the ground state of this ion
A solution is made by dissolving 6.551 g of sodium hypochlorite, NaOCl, in 106.8 g of water. What is the concentration in parts per million
How many hours will it take to produce 47.0 kg of Al metal by the reduction of Al3+ in an electrolytic cell using a current of 487 amps
the most common buffer in mammalian tissue culture is aphosphate buffer. the three pkas of phosphoric acid are 2.167.21
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