Which element is a metalloid out of aluminum, arsenic, carbon, and helium?

How would using a wider cuvette affect absorbance?

Why do the pH scale generally range from 0 to 14 in aqueous solution?

1. The sum of the pH and the pOH must always be equal to a constant value. What is the numerical constant?

Based on the equation below how many liters of water can be produced from 8.5 L of oxygen gas. (assume that hydrogen is in excess) 2H2 + O2 = 2H2O

N2 (g) + 3 H2 (g) ⇌ 2 NH3 (g) + Energy For the reaction of nitrogen gas and hydrogen gas to make methane, what stresses would shift the equilibrium to the left toward the reactants?

Describe step by step how we can make a field of a variable quantity?

When NEM is added to a purified solution of creatine kinase, Cys 278 is alkylated, but no other Cys residues in the protein are modified. What can you infer about the Cys 278 residue based on this observation

When a theory is disaproved by further evidence, which of the following occurs?

Briefly compare and contrast the relative resistance to ph change of the seven solutions

What is the pH of pure water