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What are 4 ways that radiation of different wavelenths affects biological matter differently? (example: infared radiation may cause a heat burn).
A 4.5-g sample of LiCl at 25 degrees Celsius dissolves in 25.0 mL of water also at 25.0 degrees Celsius. The final equilibrium temperature of the resulting solution is 60.8 degrees Celsius. What is the enthalpy of , H, of LiCl expressed in kilojou..
How much PPP do you need to make 500ml of the solution if you only have 25g and you know that the MW of PPP is 478 g/mole.
a chemist makes an hbr hydrogen bromide sample and observes that this sample occupies capacity of 279 ml at the
A 2.5 L helium balloon is filled at a florist's shop. If the temperature inside the shop is 68°F, what volume will the helium occupy after being left in an automobile at 5°F in the parking lot for the day
A gaseous fuel mixture stored at 745mmHg and 298 K contains only methane CH4 and propane C3H8. When 11.5L of this fuel mixture is burned, it produces 774kJ of heat. What is the mole fraction of methane in the mixture
What and why structural features do cyanide and thiamine have in common that makes them both capable of catalyzing the benzoin condensation
A pure titanium cube has an edge length of 2.71in How many titanium atoms does it contain? Titanium has a density of 4.50 g/cm^3
identify the incorrect names of formulas.
given that the length of the edge of a unit cell is 383 pm, determine the density of iridium in g/cm3.
Suppose that 50.0g of Zinc and 50.0g of Iodine are used to form Zinc (II) Iodide. Answer the following questions: (A) What is the limiting reagent?
hours in the presence of a certain concentration of an acid catalyst, what is the half-life for this reaction under the same conditionns? (Rate = k[C12H22O11]
What type of glycosidic bond occur between a ketose and ketose would yield a non-reducing disaccharide.
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