The electron pair geometry of a molecule is tetrahedral. What is its bond angle if it shows one lone pair of electrons and three bonding pairs?

A) Less than 109.5°

B) More than 109.5°

C) Equal to 109.5°

D) Zero

If I have 12.0 volume of gas at pressure of 1.10 and temperature of 200k, what is the number of moles? (R=8314)

What does two bonded flurione atoms form?

Time and concentration data were collected for the reaction A ⟶ products A⟶products t (s) [A] (M) 0 0.52 0.52 20 0.43 0.43 40 0.35 0.35 60 0.29 0.29 80 0.23 0.23 100 0.19 0.19 The blue curve is the plot of the data.

Enter the chemical formula of a binary molecular compound of hydrogen and a Group 6A element that can reasonably be expected to be less acidic in aqueous solution than H2Se, e. g. have a smaller Ka.

Compare and contrast the compounds CH4 and PH3 in terms of covalent bonding, molecular geometry (shape), and intermolecular forces. Which substance would experience a stronger attraction between its molecules, and why?

The flame from my candle gives off black smoke heat and light what type of changes do these indicate

Which one of the following processes results in a decrease in the number of neutrons? corrosion electron capture gamma emission positron emission alpha emission

Calculate the root mean square velocity of F2, Cl2, and Br2 at 304 K.

The total pressure inside a 1.62 cylinder kept at 35°C is 1.15 atm. If the volume of the cylinder drops to 0.74 L and the temperature remains the same, what is the new pressure inside the cylinder?

What is difference between tempering and aging?