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Taif U

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Numerade tutor for 4 years
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Taif's Quick Ask Videos

03:32
Chemistry 101

1. Express the rate of this reaction in terms of the change in
concentration of each of the reactants and products:
2A(g) ⟶B(g) + C(g)
2. Reaction rate is expressed in terms of changes in
concentration of reactants and products. Write a balanced equation
for the reaction with this rate expression:
3. Give the units of the rate constants for reactions with
the following overall orders:
(a) first order; (b) second order; (c) zero order
03:06
Chemistry 101

If 5.5 kg of COâ‚‚ are produced during a combustion reaction, how many molecules of COâ‚‚ would be produced?
04:02
Chemistry 101

Does a reaction occur when aqueous solutions of ammonium acetate
and nickel(II) iodide are combined? yes or no If a reaction does
occur, write the net ionic equation. Use the solubility rules
provided in the OWL Preparation Page to determine the solubility of
compounds. Be sure to specify states such as (aq) or (s). If a box
is not needed leave it blank. +

02:27
Chemistry 101

Hydrogen can form hydrogen bonds with water molecules.
True
False
06:34
Chemistry 101

Which of the following would have the lowest viscosity, ethanol,
CH3CH2OH or methanol, CH3OH and
Why?
Need detailed explanation
Which of the following would have the highest boiling point,
diethyl ether,
CH3CH2OCH2CH3, or
ethanol, CH3CH2OH?
Need detailed explanation
Which of the following would have the highest vapor pressure,
diethyl ether,
CH3CH2OCH2CH3, or
ethanol, CH3CH2OH?
need detailed information.
03:30
Chemistry 101

When zinc reacts with hydrochloric acid, it produces hydrogen
gas. As the reaction proceeds, why does the rate of production of
hydrogen gas decrease?
a. The concentration of hydrogen gas decreases.
b. The concentration of the reactants decreases.
c. The hydrogen gas formed inhibits the reaction.
d. The hydrogen gas also reacts with the zinc metal.
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