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Question- The specific heat capacity of liquid mercury is 0.14 J/gK. How many joules of heat are needed to raise the temperature of 5.00 g of mercury from 20.0°C to 44.1°C?
I am not able to determine the correct answer for the above question please helps me to get the correct answer
codeine c18h21no3 a commonly prescribed painkiller is a weak base.nbspnbspa saturated aqueous solution contains 1.00
A white precipitate formed. This mixture was centrifuged and separated, and the clear solution was then treated with 1 M Na2Co3. No Preceipitate formed. Which metal ions were present in your unknown? Which metal ions were absent
Why is the angular momentum of some nuclei and molecules observable. How is it observed? What are some typical results.
The bottle is opened and more liquid ethanol is added. The bottle is quickly sealed again. Describe what will happen to the pressure in the bottle as a function of time.
Calculate the wavelength in picometer of gamma ray radiation whose frequency is 9.74 × 1019 Hz. Express answer in scientific notation.
Circle all the stereo genie centers. Do any have a plane of symmetry? Which ones are chiral and a chiral
Calculate the energy change in kilojoules per mole when lithium atoms lose an electron to bromine atoms to form isolated Li+ and Br- ions. [The Ei for Li(g) is 520 kJ/mol; the Eea for Br(g) is -325 kJ/mol.]
Barium sulfate, , is used in medical imaging of the gastrointestinal tract because it is opaque to X rays. A barium sulfate solution, sometimes called a cocktail
four flasks each contain 100 ml of aqueous solutions of equal concentrations at 25 degrees celsius and 1 atm which
If 3.420g of ^226 Ra (t 1/2= 1620 yrs) is separated from its decay products and placed in a sealed 1L vessel, what is the partial pressure (in torr) of helium after 45 days if the vessel is at 0 degrees C? The half life of Rn is = 3.82 days
what gas escaped during the sodium bicarbonate washing? write balanced equations for two reactions that took place
The titration required 10.51 mL of the KOH solution to reach an end point. What was the percentage by mass of K2SO3 in the original mixture of KNO3 and K2SO3?
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