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updated 3 years ago
Category: Organic chemistry
A catalyst increases the rate of a reaction by Group of answer choices increasing the concentration of the reactants. increasing the activation energy of the reaction. changing the mechanism of the reaction. decreasing the enthalpy change of the reaction.
Editor April 29, 2021
Answer changing the mechanism of the reaction.   Explanation A catalyst speeds up a chemical reaction without being consumed by the reaction. It lowers the activation energy for a reaction, (View full solution)
updated 3 years ago
Category: Organic chemistry
In comparing the pH to the pOH, they must always add up to.
Editor April 18, 2021
Answer Ans = 14   pH and pOH must always equal pKw (14) Explanation pH and pOH are the log concentrations of protons and hydroxide ions respectively. We find the (View full solution)
updated 3 years ago
Category: Organic chemistry
How many grams of NaCl are needed to prepare a 3L solution of 1.5 M NaCl?
Editor April 15, 2021
Answer 262.98 grams   Explanation Method 1: The molecular weight (molar mass) of NaCl is 58.44 g/mol Molarity = Moles / Volume (L) Moles = Volume * Molarity = 3L (View full solution)
updated 3 years ago
Category: Organic chemistry
Assess the accuracy of the following statements, in the order presented. (1) Bicarbonate (HCO3-) is amphoteric (2) An acid with a low pH will be a weaker acid than an acid with a higher pH   Group of answer choices false; false true; false false; true true; true No answer text provided.  
Editor December 29, 2020
Answer true; false Explanation The Bicarbonate Ion HCO3- Is Amphoteric; This is because bicarbonate can Act As Either An Acid Or A Base In Water: As an acid: HCO3- + (View full solution)
updated 3 years ago
Category: Organic chemistry
what what is the ether name of methanol and salicylic acid
Editor November 27, 2020
Answer Methyl salicylate, oil of wintergreen or wintergreen oil Explanation This compound is produced through esterification process when salicyclic acid combines with methanol to become ester known as methyl salicylate or (View full solution)