Which disorder is characterized by a mutation in FMRP, a protein associated with the RISC complex, resulting in issues with neuronal cells?

What is the significance of transitional metals with regard to writing chemical formulas?

In eukaryotes, an activator binds to what type of regulatory sequence?

A lab assistance prepares 2.50 liters of a 0.5000 M KCl solution.  What mass of KCl was used to prepare this particular solution? (Molar masses of K = 39.098 g/mol, Cl = 35.45 g/mol)  — [HINT: How is “M” defined?]

By what mechanism does a catalyst increase the rate of a reaction?  The image below should be helpful.

What are valence electrons and how is valence electron count depicted on the periodic table for a given group?

Which of the following chemical equations (numbered 1 – 3) depict a weak acid? Reaction 1: HCl → H+ (aq) + Cl− (aq) Reaction 2: HC2H3O2 ⇌ H+ (aq) + C2H3O2− (aq) Reaction 3: NH3(aq) + H + (aq) ⇌ NH4 + (aq) [Hint: Firstly, how do you identify a compound as an acid?]

Convert 36.0 cubic centimeters (cm3) to cubic inches (in3).  Note, there are 2.54 cm per inch.  [HINT: Did your units cancel correctly?]

What is the pH of a 2.5 M solution of acetic acid at equilibrium? (Balanced eq: HC2H3O2(aq) + H2O(l) + ⇌ H3O+(aq) + C2H3O2−(aq);  Ka of HC2H3O2 is 1.8 × 10−5 [Hint: What is the definition of pH?]

A 44.5 liter gas cylinder is filled with oxygen gas (O2) at a pressure of 2.00 atm and temperature of 25.00 Celsius.  Calculate the mass (in grams) of oxygen gas in the cylinder under these conditions (Molar mass of oxygen = 16.00 grams/mol; R = 0.08206 (L x atm)/(mol x K); conversion of Celsius to Kelvin: C + 273.15 = K)  — [HINTS: PV=nRT; Did your units cancel to give the requested unit?]