Determining the heat capacity
The molar heat capacity of a gas at constant pressure is 18.7J mol-1 K-1. What is the heat capacity of 9.4 moles of this gas at constant volume?
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A series of silicon-hydrogen compounds with the general formula SinH2n+2 can be represented by the known compounds SiH4, Si2H6, and SiH8. This best illustrates the law of
7.80 g of CuNO3 is dissolved in water to make a 0.720 M solution. What is the volume of the solution? Answer should be in mL.
The balanced equation for the combustion of ethanol is. How many grams of dioxygen are required to burn 5.9 g of C2H5OH?
Which of the following has the substances arranged from lowest boiling point to highest A. NaCl, C2H6, C4H10, H2O B. NaCl, H2O, C2H6, C4H10 C. C2H6, C4H10, H2O, NaCl D. C2H6, C4H10, NaCl, H2O
Can the solubilities of lead formate Pb(CHO2)2(pKso=6.70, pKa=3.75) and copper iodate Cu(IO3)2(pKso=7.13, pKa=0.79) be made equal by adjusting pH?
Which of the following would not be a suitable solvent for a Grignard reaction and why. hexane, methanol, dimethyl ether, acetonitrile, 1,4dioxane.
For a mass of 0.010 g Mg and 5.0 mL of 1.00 M HCl, calculate the partial pressure of the resulting H2(g) in a flask with V = 145 mL at 25?C.
A solution containing 50 mL of 0.050 M sodium cyanide (NaCN) is titrated with 0.100 M hydrochloric acid (HCl). Cyanide ion is a weak base with Kb = 1.49 × 10-5). (a) Write the net ionic reaction for the titration reaction.
Which concept would explain why the carbon to carbon bond lengths in benzene, C6H6, are identical? a)hybridization b)London dispersion forces c)resonance d)hydrogen bonding
Consider a 20.0% (m/v) solution. How can this be written as a conversion factor. * 20.0 g of solute/ 100 mL of solution * 20.0 g of solute/ 80 g of solution * 20.0 g of solute/ 100 g of solution * 20.0 g of solute/ 80 mL of solution
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