What is the electronegativity difference that usually is the dividing line between covalent and ionic bonds?

Which of the following is not an example of a polymer? Select one: a. Polystyrene b. Nylon c. Sucrose d. PVC

The noble gases are good together in the periodic table where the mobile gas is in table

What do proteins act as?

An unknown mineral scratches glass but will not scratch quartz. Which measure on the Mohs scale shows its hardness?

If HCl is a 0.05 M solution and 50 mL is used to titrate the NaOH, what is the molarity of NaOH if the flask contains 100 mL?

What is the empirical formula of ascorbic acid, given that the pseudoformula is C3.407 H4.53 O3.406?

The compound, (nh4) 2s, can be used in analysis for trace amounts of metals present in a sample. what is its name?

What is the base unit of density?

I need a device that minimizes heat transfer and how it minimizes heat transfer. ill give brainliest to the best answer.

Hydrogen Sulfide decomposes according to the following reaction, for which Kc=9.3 x 10^-8 at 400 degrees Celsius. 2 H2S (g) ⇄ 2 H2 (g) + S2 (g) If 0.47 moles of H2S are placed in a 3.0 L container, and the system is allowed to reach equilibrium.