Which chemical process is an endothermic reaction?

A. the rusting of elemental iron

B. the combustion of methane gas

C. the breaking of bonds in an oxygen molecule

D. the formation of water from hydrogen and oxygen

6. What is the strongest intermolecular force? a. Dipole forces b. Hydrogen bonding C. Dispersion forces d. Covalent bonds

Noble gases are elements that have a

Why do you think the atomic number is basically represented by the number of protons and not the number of electrons?

Balance the chemical equation using the vector equation approach. If possible, use exact arithmetic or rational format for calculations in balancing the following chemical reaction: PbN6+CrMn2O8→Pb3O4+Cr2O3+MnO2+NO

A stronger nuclear pull as electrons and protons increase leads to:? A. A larger radius as energy levels increase B. Smaller radius as atomic number increases C. A smaller radius as electrons and neutrons both increase D.

How many moles of CO will be produced, if 32.5grams of H2O are produced? C6H6S+6O2=>6CO+3H2O+SO3

Identify and briefly describe two ecosystems in your community that are beyond schoolyard

Is N2H2 a ionic compound?

What do Lewis dot structures show?

300 grams of a compound which contains only carbon, hydrogen and oxygen is analyzed and found to contain the exact same percentage of carbon as it has oxygen. The percentage of hydrogen is known to be 5.98823%.