Sulfuric acid is an important catalyst in many industrial chemical reactions, an example is shown below where it acts as a Bronsted acid in a reaction with isobutene. All acid/base reactions are, in principle, reversible. Identify the Bronsted acid and the Bronsted base for the REVERSE reaction.
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Give the percent yield when 28.16 g of CO2 are formed from t…
Give the percent yield when 28.16 g of CO2 are formed from the reaction of 4.000 moles of C8H18 with 4.000 moles of O2. 2 C8H18 + 25 O2 → 16 CO2 + 18 H2O
Below is an atomic-scale representation of a material that c…
Below is an atomic-scale representation of a material that contains oxygen (blue) and silicon (red) atoms. Based on this representation, would you expect this material to be a solid, liquid or gas?
Shown here is the periodic table entry for the element Magne…
Shown here is the periodic table entry for the element Magnesium. How many protons and electrons does a neutral Magnesium atom have?
A 31.5 mL aliquot of HNO3 (aq) of unknown concentration was…
A 31.5 mL aliquot of HNO3 (aq) of unknown concentration was titrated with 0.0134 M NaOH (aq). It took 23.9 mL of the base to reach the endpoint of the titration. The concentration (M) of the acid was ________.
Magnesium burns in air with a dazzling brilliance to produce…
Magnesium burns in air with a dazzling brilliance to produce magnesium oxide: 2Mg(s) + (g) → 2MgO(s)How many moles of are consumed when 1.90 mol of magnesium burns?
What safety concern might you have for this athlete?…
What safety concern might you have for this athlete? Watch Media Name: Q9 Video 1 (00:26) Duration: 00:26 Added: 09 May 2020 07:39 PM Added By: Oladipo Eddo Description: Tags:
DMSO is soluble in water: To dissolve DMSO in water, IMFs i…
DMSO is soluble in water: To dissolve DMSO in water, IMFs in both the solute and the solvent need to be broken. What are the strongest IMFs that need to be broken within the DMSO and within the water to form a solution?
The equilibrium constant for the following reaction, K, is 6…
The equilibrium constant for the following reaction, K, is 6.2 x 1018 at 25°C. What is the Gibbs energy for the process at this temperature? CH4(g) + Cl2(g) ⇌ CH3Cl(g) + HCl(g) ΔG = -RT ln(K) K = °C + 273 R is 8.314 J / mol·K. You will need a calculator to solve this problem
Thermal energy in a gas is mainly observed in the kinetic en…
Thermal energy in a gas is mainly observed in the kinetic energy of the gas particles (atoms or molecules, as appropriate). What is the main effect at the particle level of increasing thermal energy in a gas?