Calculate the pOH of a solution that contains 4.8 × 10-6 M OH⁻ at 25°C.

The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant. H2(g) + Br2(g) ⇌ 2 HBr(g) Kc = 3.8 × 104 2 HBr(g) ⇌ H2(g) + Br2(g) Kc = ?  

A rate is equal to 0.0200 M/s. If [A] = 0.100 M and rate = k[A]0[B]2, what is the new rate if the concentration of [A] is increased to 0.400 M?

What vaccine is more stable in its vial/tube, once thawed? Pfizer/Moderna or J&J one?

An impervious response

What eukaryotic pathogen can be transmitted through dogs?

Multiple Choice Questions (1 point each)

A disconfirming response says that

This framework of bilingualism is cognitively undemanding and used to carry on basic conversations.

This type of Immune response (among others) is induced by Pfizer vaccine: