Chemistry, 18.03.2021 01:50 halimomohamed
A 500-cm3 sample of 1.0 M NaOH(aq) is added to 500 cm3 of 1.0 M HCl(aq) in a Styrofoam cup, and the solution is quickly stirred. The rise in temperature (ΔT1) is measured. The experiment is repeated using 100 cm3 of each solution, and the rise in temperature (ΔT2) is measured. What conclusion can you draw about ΔT1 and ΔT2?HCl(aq) + NaOH(aq) → H2O(l) + NaCl(aq); ΔH° = –55.8 kJ
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Chemistry, 23.06.2019 00:00
#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.
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Chemistry, 23.06.2019 09:30
How many significant figures are in the following numbers ? a. 0.0002030 b. 2.000 c. 2.008900 d. 145.00
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A 500-cm3 sample of 1.0 M NaOH(aq) is added to 500 cm3 of 1.0 M HCl(aq) in a Styrofoam cup, and the...
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