When other scientists repeat experiments and come up with the same results it validates it and show that the answers are true
Answer:B. A liquid changes to a solid.
Explanation:
<span>If "hf" is the standard heat of formation, the Hf for Al is zero -- as it is for all elements in their standard state. The standard heat of formation for water is −285.8 kJ/mol. Thank you for posting your question here. I hope the answer helps. </span>
Answer:
(a) calculated density= 0.86 g/mL. The substance is probably toluene, density= 0.866 g/mL (b) 40.4 mL ethylene glycol (c) 1.11 x 10^3 g nickel
Explanation:
Answer:
its radiation
Explanation:
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