The atomic mass of oxygen is 16. how many neutrons does oxygen have in its nucleus?

The combustion reaction of isopropyl alcohol is given below: C 3 H 7 O H (l) + 9 2 O 2 (g) → 3 C O 2 (g) + 4 H 2 O (g) The heat of combustion of isopropyl alcohol is - 2006 kJ/mol.

Two glass jars A ana B are filled with carbondioxide and oxygen respectively. In each jar a lightened candle is placed simultaneously. In which jar the candle remain lightened?

How many protons does nonradioactive carbon 13 have?

What regulations does the United States' National Environmental Policy Act (NEPA) lay down? A. consider the effects of their actions on the environment B. governments need to take public consensus before beginning a development project C.

A compound that is usually used as a fertilizer can also be used as a powerful explosive. the compound has the composition 35.00% nitrogen, 59.96% oxygen and the remainder being hydrogen.

How much ice at a temperature of - 17.5 ∘C must be dropped into the water so that the final temperature of the system will be 31.0 ∘C?

Why does a gas fill completely the vessel in which it is kept?

Individuals who work full time and those who work part-time enjoy basically the same number of paid leave benefits. True False

There is a large increase in ionization energy between the second and the third ionization energies of a metal. What kind of ion is the metal likely to form? Include the charge in your answer.

Which of the following are true statements about equilibrium systems? For the following reaction at equilibrium: CaCO3 (s) ⇌ CaO (s) + CO2 (g) adding more CaCO3 will shift the equilibrium to the right.