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Questions in chemistry

[Sagot para sa’yo] Draw the structure of the heptapeptide : H2N- M-A-G-A-N-D-A-COOH

[Sagot para sa’yo] 15.0 mL of a 1:5 diluted wine sample plus 20 mL deionized water and 3 drops of phenolphthalein were mixed and titrated to completion using 23.86 mL of 0.0784 M NaOH solution. The density of the original wine sample was 1.095 g/mL. A) What is the molarity of the acid in the original wine sample? B) What is the percent by mass of acid in the original wine sample?With complete solutions. ​

[Sagot para sa’yo] what did bohr use in his experiment to show the existence of specific orbitals​

[Sagot para sa’yo] aliphatic hydrocarbons.Chemical bonding and hybridization models.Nomenclatute.Homologous series.Isomerism:constitutional isomers(chain and positional).

[Sagot para sa’yo] 0.28063mol divided by 0.750 L

[Sagot para sa’yo] is the reaction between vinegar and baking soda an endothermic or excothermic reaction?

[Sagot para sa’yo] 3 yards equals how many inches​

[Sagot para sa’yo] what is the group number for uranium

[Sagot para sa’yo] Nitrogen is made up of two isotopes, nitrogen-14 and nitrogen-15. Given nitrogen's average atomic mass of 14.007, what is the percent abundance of each isotope? solve this step by step

[Sagot para sa’yo] A pharmacist has an 18% solution of alcohol. How much of this solution and how much water must be mixed together to make 10 liters of a 12% solution