Answer:
9 kg • m/s..........................
Answer: 173 g ( 0.17 kg in right accuracy)
Explanation: Amount in moles is n = N/Na = 2.0·10^24 / 6.022·10^23 (1/mol).
n = 3.32116 mol. M(Cr) = 52.00 g/mol and mass m = nM = 172.7 g
When the KClO3 decomposes, more oxygen is produced. I don't think I know any other possibility exists.<span />
Answer:
alkali metals- Group 1
Explanation:
they have less valence electrons and therefore are more reactive
Answer:
B. A new substance is produced.
Explanation:
In chemical changes, you will always have a new end product from the reactants that were used within the process.
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