Answer:
0.17 lb
Explanation:
78 g * (1 lb/454 g)=0.17 lb
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2H2O2 decomposes into the products 2H2O + O2(g)
Instability of an atoms nucleus can result from an excess of either neutrons or protons . So neutrons and protons .
Answer:
air is not a mixture because of scientists freezing it and finding different liquids, it is a mixture because the compounds that make up air e.g. oxygen (o2), Carbon dioxide (co2) and the most important Nitrogen which is an element and makes up 78.09% of air are not chemically bound in the way that compounds are
Explanation: