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A 50.0-g piece of metal at 203oC is dropped into 400.0 g of water at 25.0oC. The water temperature rises to 29.0oC. Calculate the specific heat of the metal (J/goC). Assume that all of the heat lost by the metal is transferred to the water and no heat is lost to the surroundings.
the chromic acid test acetone, formaldehyde, propanal, 3-pentanone, acetophenone, and benzaldehyde
A 53.6 gram sample of an unknown substance contains 11.5 grams of carbon. What is the percent by mass of carbon in the compound?
One of the steps in the commercial process for converting ammonia to nitric acid is the conversion of ammonia to nitric oxide.
a chemist burns 160 g of aluminum in oxygen to produce aluminum oxide. she produces 260 g of aluminum oxide. write a
Suppose a 5.00mL sample of vinegar required 27.58mL of 0.123 M sodium hydroxide to reach the endpoint. What is the molarity of acetic acid in the vinegar?
How does the energy of two photons corresponding to a wavelength of 451 nm (blue light) compare with the energy of three photons corresponding to a wavelength of 704 nm (red light)?
To help you explain your answer, look up the meaning of "isoelectric point" and discuss the effect that pH will have on the structure of your product.
A chemist at a pharmaceutical company is measuring equilibrium constants for reactions in which drug candidate molecules bind to a protein involved in cancer. Calculate the Kc value for the A-protein binding reaction.
We are asked to explain the pH and how to find hydrogen ion concentration - Find the pH of an acidic substance of your choice.
heat is removed from 200.0 g of water with an initial temperature of 30.0°C? The specific heat of water is 4.184 J/gdeg.
cobalt-60 which undergoes beta decay has a half life of 5.26 years.a. how many beta particles are emitted in 160 s by a
Light impinges on a 1485 line per mm diffraction grating at an angle of incidence of 39.5 degrees. What wavelength, in nm, will be reflected in the first order at an angle of 14 degrees on the other side of the normal to the grating.
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