Which equation is balanced? 2Al+3F2→2AlF3 Al+3O2→Al2O3 Na+F2→2NaF Mg+2O2→2MgO

A published hypothesis: 1) is accepted by the scientific community 2) should be tested by the scientific community 3) does not need to be tested 4) becomes a scientific law

The elements that combine to form water

What type of bond if found inn sodium bromide

What mass of carbon monooxide must be burned to produce 175 kJ of heat under standard state condaitions?

What is the power output of a hand grenade

The equilibrium constant for the production of carbon dioxide from carbon monoxide and oxygen is kc=2*1011 this means that the reaction mixture at equilibrium is likely to consist of

Arrange these compounds in order of increasing standard molar entropy at 25°C: C3H8 (g), C2H4 (g), ZnS (s), and H2O (l).

A gas has a temperature of 14 degrees C and volume of 4.5 liters. If the temperature is raised to 29 degrees C and the pressure is not changed, what is the new volume of the gas? .

What groups of elements do not have a charge and why

How many grams of Br are in 2.0 moles of CaBr2?