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A 47.42 g sample of a substance is initially at 20.8 degrees C. After absorbing 1861 M of heat, the temperature of the substance is 189.2 degrees C. What is the specific heat (c) of the substance?
given that you are able to perform a diffusion experiment during a period of 30 days and that you are able to analyze a
If N2 and H2 at preliminary pressures of 1.5atm and 2.5atm respectively were permissible to react at 300K as well as the total pressure at equilibrium is 4.0atm, define what is the Kp
the solvent system used fortlc in this lab is a 311 mixture of n-butanolacetic acidwater.the pka of acetic acid is
The percent composition (by mass) of a compound is 40.0% carbon, 53.0 % oxygen and the rest is hydrogen. Find the empirical formula of the compound.
A bowl of 464 g of water is placed in a microwave oven that puts out 776 watts (J/s). How long would it take in seconds to increase the temperature of the water from 12.0oC to 46.0oC? Use SF.
when chlorine gas is bubbled into a solution of a sodium bromide the sodium bromide reacts to give bromine a red- brown
The solubility of BaSO_4 is 2.4*10^-3 g/L at room temperature. What is the value of K_sp for BaSO_4 at this temperature?
how many moles of ammonia are produced? How many moles of H2 remain? How many Moles of N2 remain? What is the limiting reactant?
Classify the principal conjugate acid/base pair and compute the ratio between them in a solution that is buffered to pH 9.00 contains H2S, thylenediamine dihydrochloride, H3AsO4, and H2CO3
What is the maximum amount of AlCl3
If 5 g of sodium metal reacts completely with excess chlorine gas, an 11.5 g of Nacl is actually obtained what is the precent yield. I know that the actual yield. How do i find the theoretical yield so I can put it in the percent yield equation.
acetylene gas c2h2 used in welding produces an extremely hot ?ame when it burns in pure oxygen according to the
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