# chemistry

What would be the change in enthalpy if you detonated 10 grams of NI3?

1. 👍 0
2. 👎 0
3. 👁 310
1. 2NI3 ==> N2 + 3I2
I looked up the enthalpy for this and found it to be -290 kJ/mol. Therefore, 10 g would be
-290 kJ x (10/2*molar mass NI3) = ?

1. 👍 0
2. 👎 0
posted by DrBob222

## Similar Questions

1. ### Chemistry

If 100 grams of NI3 is detonated, calculate the Gram of N2 and I2 formed.

asked by Jennifer on April 13, 2011
2. ### chemistry

Nitroglycerin is shock sensitive, and decomposes explosively: 4C3H5N3O9(l) → 12CO2(g) + 6N2(g) + O2(g) + 10H2O(g) ΔHf° -370 -393.5 -241.8 a. What is the molar enthalpy of decomposition (detonation) of nitroglycerin? b.

asked by Lay on October 19, 2015
3. ### chemistry

How to calculate enthalpy change of the following reaction? : S + 2h2o >>> so2 + 2h2 given: s+o2 >>> so2 - enthalpy change = -296.8 kJ h2 + 1/2o2 >> h20 enthalpy change= -285.8kj I was trying to solve it myself but i got

asked by olexandra on April 19, 2010
4. ### Chemistry

Reposted: Use Hess's law to calculate the enthalpy change for the reaction: 3C(s) + 3H2(g) yield C3H6(g) Given the following thermochemical equations: 2C3H6(g) + 9O2(g) yield 6CO2(g) + 6H2O(l) enthalpy change= -4116.0 kJ/mol C(s)

asked by Hailee on March 17, 2012
5. ### Chemistry - Enthalpy change and stoichiometry

N2 + O2 = 2NO enthalpy change = +180.6kJ c) what is the enthalpy change for the formation of one mole of nitrogen monoxide? d) What is the enthalpy change for the reaction of 1.000 * 10^2g of nitrogen with sufficient oxygen? I do

asked by Farah on February 23, 2011
1. ### Chemistry

Which of the following is the best definition of Hess' Law? A. Since enthalpy is a state function, it will be different if a reaction takes place in one step or a series of steps. B. Heat is always released by the decomposition of

asked by Anonymous on February 24, 2008
2. ### chemistry

Determine the enthalpy for the partial combustion of methane to carbon monoxide- 2CH4(g) + 3O2(g) = 2CO(g) + 4H2O(l) from change in enthalpy (CH4,g) = -890. kJ mol-1 and change in enthalpy (CO,g) = -283.0 kJ mol-1

asked by Anna on September 20, 2009
3. ### chemistry

n2+3I2>2NI3 if you have 28g of N2how many grams of NI3 will you be able to make?

asked by Nicole on March 30, 2015
4. ### chemistry

give enthalpy profile diagrams to illustrate endothermic and exothermic reactions. include an explanation of cocepts such as enthalpy change, activation energy and catalysts.explain how the process of bond breakage and formation

asked by ABRAHAM on February 2, 2011
5. ### Chemistry

Which of the following is the best definition of Hess' Law? A. Heat is always released by the decomposition of 1 mole of a compound into its constitute elements. B. The enthalpy of a process is the difference between the enthalpy

asked by Anonymous on February 20, 2008

More Similar Questions