Quarks are thought to be the building blocks of protons. which was most affected by the discovery of the quark?
a the estimated mass of a proton
b the observation that protons have a +1 charge
c the view that the atom cannot be broken down further than protons
d the theory that the nucleus of an atom contains protons and neutrons
Answers: 2
Chemistry, 22.06.2019 13:50
Read the chemical equation. 2c2h2 + 5o2 β 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
Answers: 3
Chemistry, 22.06.2019 16:00
How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?
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