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When 47.3 J of heat are added to 13.4 g of a liquid, its temperature rises by 1.74 °C.When 47.3 J of heat are added to 13.4 g of a liquid, its temperature rises by 1.74 °C. THIS IS THE ANSWER, BUT HOW TO GET THAT?
J/(g⋅°C)
Compare and contrast continuous spectrum and line spectrum as they relate to the elements. Describe how spectral lines can be used to identify elements.
Sketch the 1H NMR spectra for all of the isomers of RhH2Cl(PPh3)3. Consider only the hydride hydrogens (directly bonded to rhodium). Assume the following coupling constants
Can someone explain how to do these? I feel like the first one is E as KOH and HCL are strong base/strong acid.
Solid aluminum metal and diatomic chlorine gas react spontaneously to form a solid product. Give the balanced chemical equation (including phases) that describes this reaction.
In a first order decomposition in which the rate constant is 0.03 sec-1, how much of the compound (in mol/L) is left after 26 sec, if there was 2.00 mol/L at the start
Calculate the sodium ion concentration when 72.7 mL of 4.0 M sodium carbonate is added to 33.2 mL of 1.8 M sodium bicarbonate.
A geological sample is found to have a Pb-206/U-238 mass ratio of 0.337/1.00. Assuming there was no Pb-206 present when the sample was formed, how old is it. The half-life of U-238
What is the estimated temperature of the object using the above approximate prescription? what is the percent error?
lithium iodide has a lattice energy of -720kjmol and a heat of hydration of -793kjmol. determine how much heat is
Estimate the value of the equilibrium constant at 640 K for each of the following reactions. DELTA Hf and S^o for BrCl (g) is 14.6 kj/mol and 240.0 J/mol*k , respectively. 2NO2(g) double arrows N2O4 (g)
a 2.56 g sample of anthracene c14h10 was burned to heat an aluminum calorimeter mass948g. the calorimeter contained 1.5
Methanol, ethanol, and n-propanol are three common alcohols. When 5.00 g of each of these alcohols is burned in air, heat is liberated. Calculate the heats of combustion of these alcohols in kJ/mol.
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