Which option correctly describes the enthalpy of formation?

Which alkyl chloride, through primary, is essentially unreactive in sn2 reactions?

The following data were collected for the net reaction A + B2 + 2 C → D. Initial Initial Initial Initial [A] [B2] [C] rate M M M M/s 1 0.01 0.01 0.10 1.20 * 103 2 0.02 0.01 0.10 4.80 * 103 3 0.03 0.01 0.20 2.16 * 104 4 0.04 0.02 0.10 3.

When sugar melts and becomes a liquid, is it still sugar? Explain.

Explain the structure and function of DNA. What important roles does the phosphate-sugar backbone, nitrogen bases, complementary strands, and hydrogen bonds play in the structure of DNA?

You are given 450.0 g of a 0.7500 molal solution of acetone dissolved in water. how many grams of acetone are in this amount of solution?

Suppose a thermometer has marks at every one degree increment and the mercury level on the thermometer is exactly between the 25 and 26 degree Celsius marks. We should properly report the temperature measurement as:

What does the orbital tell you about the location of the electron?

If a 1.45 M solution has 2.43 g HCl dissolved, what is the volume of solution? (Change g Hl into mol using molar mass)

Which of the following describes a reaction that reaches equilibrium?

What happens to water during evaporation? A) It turns gas as it cools. B) It turns to liquid as it cools. C) It turns to solid as temperature decreases. Eliminate D) It turns to gas as the temperature increases.