What is the value of the standard enthalpy of formation of an element in its most stable form?

Determine the volume of carbon dioxide gas produced at STP when 2.5 g of nitroglycerin decomposes by this balanced equation. 4C3H5N3O9 (l) → 12CO2 (g) + 10H2O (g) + 6N2 (g) + O2 (g)

Name the element that is found in the third period and in the same family as Nitrogen

Which action by the British government was considered by American colonists to be a violation of their rights as Englishmen?

Identify the brønsted base in the forward reaction hpo2 - 4 (aq) + hno3 (aq) ⇀↽ no - 3 (aq) + h2po - 4 (aq). 1. h2po - 4 (aq) 2. hno3 3. hpo2 - 4 4. no - 3

Does steel wool float If u put it in water and let it sit for a week?

The four elements comprising over 90 of living matter are

Consider the gas-phase reaction, n2 (g) + 3 h2 (g) 2 nh3 (g), for which kp = 43 at 400 k. if the mixture is analyzed and found to contain 2.0 bar of n2, 2.0 bar of h2 and 27.0 bar of nh3, describe the situation:

How many moles of ions are in 285 ml of 0.0150 m mgcl2?

Given: logK=nE∘0.0592 What is the value K for this redox reaction? Zn2 + (aq) + 2 Cl - (aq) → Zn (s) + Cl2 ( g. Ecell = - 2.12 V

What is 350 kelvin on the Celsius scale of temperature?