Explain the enthalpy change when 1 grams of hydrogen

Reference no: EM13548800

When a chemist burns hydrogen according to the reaction below she finds that the reaction releases heat. (It is exothermic.)

2H2(g) + O2(g) 2H2O(g)

The enthalpy of the reaction DH = -484 kJ. What is the enthalpy change (in kJ) when 1 grams of hydrogen are burned?

Reference no: EM13548800

Questions Cloud

Gas particles are attracted to one another : Gas particles are attracted to one another and therefore behave as grouped particles.

What combination of variables represents the slope : Derive an equation for T as a function of k and m. If you plot a graph of T^2 versus m, what combination of variables represents the slope

The term molecular mass better suited : The term molecular mass better suited than the term formula mass?

Estimate the volume of water displaced by the iceberg : A 6650kg iceberg with density 931 {\rm kg/m}^3 is afloat in seawater with density 1030 {\rm kg/m}^3. Find the volume of water displaced by the iceberg

Explain the enthalpy change when 1 grams of hydrogen : The enthalpy of the reaction DH = -484 kJ. What is the enthalpy change (in kJ) when 1 grams of hydrogen are burned

What is the wavelength of the waves emitted by the motion : The motion detector used in a physics lab sends and receives 22.52 kHz ultrasonic pulses. What is the wavelength of the waves emitted by the motion detector

How will sandran report this change : During the fourth year, Sandran changes to the average-cost method for all its inventory. How will Sandran report this change?

Explain what will be the amount of sugar in milligrams : A 12.00 milk chocolate bar is found to contain 9.200 of sugar. What will be the amount of sugar in milligrams if the size of the chocolate bar is reduced from 12.00 to 5.000

What is the induced current in the ring : An aluminum ring of radius r1 = 5.00 cmand a resistance of 4.05 10-4 ? is placed around one end of a long air-core solenoid with 1 100 turns per meter and radius r2 = 3.00 cmas, What is the induced current in the ring

User Account

All Pages